DETAILED ACTION
Claim Rejections - 35 USC § 103
The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action:
A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made.
The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows:
1. Determining the scope and contents of the prior art.
2. Ascertaining the differences between the prior art and the claims at issue.
3. Resolving the level of ordinary skill in the pertinent art.
4. Considering objective evidence present in the application indicating obviousness or nonobviousness.
Claim(s) 6, 7, 9, 11-14, 16 and 20 is/are rejected under 35 U.S.C. 103 as being unpatentable over Lee U.S. Patent Publication No. 2023/0230522 (hereinafter Lee) in view of Kang KR20200016042A (See English Translation, hereinafter Kang) and further in view of Hyun et al. U.S. Patent Publication No. 2016/0140898 (hereinafter Hyun).
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Consider claim 6, Lee teaches a display device comprising: a display panel including subpixels disposed in a display area and dummy subpixels disposed in an outer area outside of the display area (Figure 2, DP and P); a driving circuit configured to: display a protection image based on the subpixels, move a position where the protection image is displayed, and move a position of a black image displayed on at least one of the dummy subpixels when the display position of the protection image is moved (([0004] the display image may be shifted in a predetermined direction, and black data may be displayed in an outer peripheral portion where the display image is not displayed due to the shift of the display image. In this case, according to the display image shift scheme, an origin of the display image (e.g., a center of the image) may be shifted in a clockwise or counterclockwise direction in the form of a rectangular helix and further refers to in order to solve…display device may disperse the stress (see also figure 3)).
Lee does not appear to specifically disclose a sensing circuit configured to: acquire a first sensing value from a first subpixel among the subpixels and a second sensing value from a first dummy subpixel displaying the black image among the dummy subpixels, and acquire a sensing voltage based on a sum of the first sensing value and the second sensing value, wherein the second sensing value corresponding to the first dummy subpixel acts as a constant current source for increasing current when sensing the first sensing value corresponding to the sensing node of the first subpixel.
However, Kang teaches a sensing circuit configured to: simultaneously acquire a first sensing value from a first subpixel among the subpixels and a second sensing value from a first dummy subpixel ([0234] and figures 15-16; Isen and Iassist) via line during a blank period of a vertical synchronization signal (Figures 15-16 and [0227-0228] blank time), displaying the black image among the dummy subpixels [0213], and acquire a sensing voltage based on a sum of the first sensing value and the second sensing value (Figures 15-16, Isen_sum) to reduce a time required to acquire the sensing voltage during the black period ([0354-0357], the sensing time can be shortened), wherein the second sensing value corresponding to the first dummy subpixel (Figure 15, Iassist2-Iassist4) acts as a constant current bias for increasing current when sensing the first sensing value corresponding to the sensing node of the first subpixel (Figure 17, SLP2 increases steady and thus the current considered constant during this period. See for example, “https://components101.com/articles/understanding-constant-current-and-constant-voltage-sources” mentions “The red colour curve shows the charging voltage, while the blue curve shows the charging current” and “constant current mode” as annotated above (graph of Kang’s figure 17 is provided for comparison) and wherein the sensing circuit acquires the first and second sensing values concurrently with the first dummy subpixel displaying the black image (Figures 15-16, Isen, Iassist. [0213], black data).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to generate a sum of sensing value as taught by Kang with the benefit that sensing circuit senses an elevated voltage as suggested in [0252] and [0256]. In addition, the sensing time can be shortened. It is possible to obtain an accurate sensing value. the sensing can be performed quickly and accurately. It is possible to perform fast and accurate sensing even in various situations where the sensing time is insufficient as suggested in [0354-0357].
Kang does not appear to specifically disclose wherein the first subpixel and the first dummy subpixel are disposed in a same column and connected to the common data line.
However, in a related field of endeavor, Hyan teaches a display device (abstract) and further teaches wherein the first subpixel and the first dummy subpixel are disposed in a same column and connected to the common data line (Figure 1, PX-D, PX and D1).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to provide same data line as taught by Hyun so that the dummy pixel PX_Dij is located at the intersection between the i-th scan line Si and the j-th data line Dj. Thus, the second switching transistor MS_2 may selectively transmit a data signal provided thereto via the j-th data line Dj to the second driving transistor MD_2 through a switching operation according to a scan signal provided thereto via the i-th scan line Si as suggested in [0073-0075] and figures 2a-b.
Consider claim 7, Lee, Kang and Hyan teach all the limitations of claim 6. In addition, Kang teaches a compensator configured to generate a compensation value for compensating the first subpixel based on the first sensing value and excluding or offsetting the second sensing value ([0274] and [0278], a change portion of the sensing value SEN according to the assist driving may be canceled, and an accurate compensation value may be calculated), see motivation to combine claim 6.
Consider claim 9, Lee teaches a method of driving a display device, comprising: displaying a protection image based on subpixels disposed in a display area of a display panel in the display device and moving a position where the protection image is displayed (([0004] the display image may be shifted in a predetermined direction, and black data may be displayed in an outer peripheral portion where the display image is not displayed due to the shift of the display image. In this case, according to the display image shift scheme, an origin of the display image (e.g., a center of the image) may be shifted in a clockwise or counterclockwise direction in the form of a rectangular helix and further refers to in order to solve…display device may disperse the stress (see also figure 3)); displaying a black image on at least one of dummy subpixels disposed in an outer area of the display area and moving a position of the black image when the position of the protection image is moved ([0004] and figure 2, DP and P);
Lee does not appear to specifically disclose acquiring a first sensing value from a first subpixel among the subpixels and a second sensing value from a first dummy subpixel displaying the black image among the dummy subpixels; acquiring a sensing voltage based on a sum of the first sensing value and the second sensing value; and generating a compensation value for compensating the first subpixel based on the first sensing value and excluding or offsetting the second sensing value from the sensing voltage, wherein the second sensing value corresponding to the first dummy subpixel acts as a constant current source for increasing current when sensing the first sensing value corresponding to the sensing node of the first subpixel.
However, Kang teaches simultaneously acquiring a first sensing value from a first subpixel among the subpixels and a second sensing value from a first dummy subpixel displaying the black image among the dummy subpixels via line ([0234] and figures 15-16; Isen and Iassist) during a blank period of a vertical synchronization signal (Figures 15-16, SL1. [0227-0228] and figure 16, blank time); acquiring a sensing voltage based on a sum of the first sensing value and the second sensing value (Figures 15-16, Isen_sum) to reduce a time required to acquire the sensing voltage during the blank period ([0354-0357], the sensing time can be shortened); and generating a compensation value for compensating the first subpixel based on the first sensing value and excluding or offsetting the second sensing value from the sensing voltage ([0274] and [0278], a change portion of the sensing value SEN according to the assist driving may be canceled, and an accurate compensation value may be calculated), wherein the second sensing value corresponding to the first dummy subpixel (Figure 15, Iassist2-Iassist4) acts as a constant current bias for increasing current when sensing the first sensing value corresponding to the sensing node of the first subpixel (Figure 17, SLP2 increases steady and thus the current considered constant during this period. See for example, “https://components101.com/articles/understanding-constant-current-and-constant-voltage-sources” mentions “The red colour curve shows the charging voltage, while the blue curve shows the charging current” and “constant current mode” as annotated above (graph of Kang’s figure 17 is provided for comparison), and wherein the first and second sensing values are acquired concurrently with the first dummy subpixel displaying the black image (Figures 15-16, Isen, Iassist. [0213], black data).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to generate a sum of sensing value as taught by Kang with the benefit that sensing circuit senses an elevated voltage as suggested in [0252] and [0256]. In addition, the sensing time can be shortened. It is possible to obtain an accurate sensing value. the sensing can be performed quickly and accurately. It is possible to perform fast and accurate sensing even in various situations where the sensing time is insufficient as suggested in [0354-0357].
Kang does not appear to specifically disclose wherein the first subpixel and the first dummy subpixel are disposed in a same column and connected to the common data line.
However, in a related field of endeavor, Hyan teaches a display device (abstract) and further teaches wherein the first subpixel and the first dummy subpixel are disposed in a same column and connected to the common data line (Figure 1, PX-D, PX and D1).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to provide same data line as taught by Hyun so that the dummy pixel PX_Dij is located at the intersection between the i-th scan line Si and the j-th data line Dj. Thus, the second switching transistor MS_2 may selectively transmit a data signal provided thereto via the j-th data line Dj to the second driving transistor MD_2 through a switching operation according to a scan signal provided thereto via the i-th scan line Si as suggested in [0073-0075] and figures 2a-b.
Consider claim 11, Lee teaches a display device comprising: a display panel including subpixels disposed in a display area and dummy subpixels disposed in an outer area of the display area (Figure 2, DP and P) and a controller configured to: display a protection image at a first position on the display panel, display the protection image at a second position on the display panel, the second position being different than the first position, in response to the protection image moving from the first position to the second position, display a black image by at least one dummy subpixel among the dummy subpixels that corresponds to a portion of the protection image previously displayed at the first position displayed (([0004] the display image may be shifted in a predetermined direction, and black data may be displayed in an outer peripheral portion where the display image is not displayed due to the shift of the display image. In this case, according to the display image shift scheme, an origin of the display image (e.g., a center of the image) may be shifted in a clockwise or counterclockwise direction in the form of a rectangular helix and further refers to in order to solve…display device may disperse the stress (see also figure 3)).
Lee does not appear to specifically disclose receive a first sensing value from a first subpixel among the subpixels and a second sensing value from the at least one dummy subpixel, and generate a sensing voltage corresponding to the first subpixel based on a sum of the first sensing value and the second sensing value, wherein the second sensing value corresponding to the at least one dummy subpixel acts as a constant current source for increasing current when sensing the first sensing value corresponding to the sensing node of the first subpixel.
However, Kang teaches simultaneously receive a first sensing value from a first subpixel among the subpixels and a second sensing value from the at least one dummy subpixel ([0234] and figures 15-16; Isen and Iassist) via line during a blank period of a vertical synchronization signal (Figures 15-16, [0227-0228], blank time), and generate a sensing voltage corresponding to the first subpixel based on a sum of the first sensing value and the second sensing value (Figures 15-16, Isen_sum) to reduce a time required to generate the sensing voltage during the blank period ([0354-0357], the sensing time can be shortened), wherein the second sensing value corresponding to the at least one dummy subpixel (Figure 15, Iassist2-Iassist4) acts as a constant current source for increasing current when sensing the first sensing value corresponding to the sensing node of the first subpixel (Figure 17, SLP2 increases steady and thus the current considered constant during this period. See for example, “https://components101.com/articles/understanding-constant-current-and-constant-voltage-sources” mentions “The red colour curve shows the charging voltage, while the blue curve shows the charging current” and “constant current mode” as annotated above (graph of Kang’s figure 17 is provided for comparison), and wherein the controller receives the first and second sensing values concurrently with the at least one dummy subpixel displaying the black image (Figures 15-16, Isen, Iassist. [0213], black data).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to generate a sum of sensing value as taught by Kang with the benefit that sensing circuit senses an elevated voltage as suggested in [0252] and [0256]. In addition, the sensing time can be shortened. It is possible to obtain an accurate sensing value. the sensing can be performed quickly and accurately. It is possible to perform fast and accurate sensing even in various situations where the sensing time is insufficient as suggested in [0354-0357].
Kang does not appear to specifically disclose wherein the first subpixel and the first dummy subpixel are disposed in a same column and connected to the common data line.
However, in a related field of endeavor, Hyan teaches a display device (abstract) and further teaches wherein the first subpixel and the at least one dummy subpixel are disposed in a same column and connected to the common data line (Figure 1, PX-D, PX and D1).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to provide same data line as taught by Hyun so that the dummy pixel PX_Dij is located at the intersection between the i-th scan line Si and the j-th data line Dj. Thus, the second switching transistor MS_2 may selectively transmit a data signal provided thereto via the j-th data line Dj to the second driving transistor MD_2 through a switching operation according to a scan signal provided thereto via the i-th scan line Si as suggested in [0073-0075] and figures 2a-b.
Consider claim 12, Lee, Kang and Hyan Lee and Kang teach all the limitations of claim 11. Furthermore, Kang teaches wherein the first sensing value from the first subpixel and the second sensing value from the at least one dummy subpixel are (Figures 15-16, Isen_sum) based on a same first reference voltage (Figures 16 and 17, Vsen2, SL1), see motivation to combine in claim 11.
Consider claim 13, it includes the limitations of claim 7 and thus rejected by the same reasoning.
Consider claim 14, Lee, Kang and Hyan teach all the limitations of claim 11. Furthermore, Lee teaches wherein the controller is further configured to: display the protection image based on orbit driving [0004].
Consider claim 16, Lee, Kang and Hyan teach all the limitations of claim 11. In addition, Lee teaches wherein the first subpixel and the at least one dummy subpixel have a same circuit configuration (Figures 2, 4 and [0075]).
Consider claim 20, Lee, Kang and Hyan teach all the limitations of claim 11. In addition, Kang teaches wherein the second sensing value corresponding to the at least one dummy subpixel is a bias voltage ([0232], non-sensing targets and assist currents. Figure 17, Vsen2 and voltage based on bias voltage from assistor pixels), see motivation to combine in claim 11.
Claim(s) 8, 10, 15 and 21 is/are rejected under 35 U.S.C. 103 as being unpatentable over Lee, Kang and Hyan as applied to claim 6 above, and further in view of Ha et al. U.S. Patent Publication No. 2024/0062697 (hereinafter Ha).
Consider claim 8, Lee, Kang and Hyan teach all the limitations of claim 6. In addition, Kang teaches wherein the sensing circuit is further configured to: acquire a sensing value from one of the dummy subpixels or acquire sensing values from a plurality of dummy subpixels based on at least one of a resolution of the display panel, a driving time of the display panel, or pixel per inch of the display panel ([0227-0228]).
Kang does not appear to specifically disclose driving frequency.
However, in a related field of endeavor, Ha teaches a display device (abstract) and further teaches driving frequency ([0067], a blank period BLK2 when the driving frequency is the first driving frequency (60 Hz) may be shorter than a blank period BLK1 when the driving frequency is the second driving frequency (30 Hz). Thus, Ha teaches the relation of time and frequency).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to provide different frequencies (and thus driving time) for moving image or still image as suggested in [0050].
Consider claim 10, it include the limitations of claim 8 and thus rejected by the same reasoning.
Consider claim 15, Le Kang and Hyan e and Kang teach all the limitations of claim 11. In addition, Kang teaches wherein the controller is further configured to: in response to the display panel being driven at a first driving time, perform a sensing operation for at least one of the subpixels without sensing any of the dummy subpixels (Figures 11-13, Isen, SP1, t1 (see also figure 17, t1)), and in response to the display panel being driven at a second time, perform a sensing operation for the at least one of the subpixels based on a sum of a sensing value for the at least one of the subpixels and a sensing value for at least one of the dummy subpixels (Figures 15-16, Isen_sum. Figure 17, t2).
Kang does not appear to specifically disclose second driving frequency higher than the first driving frequency
However, Ha teaches second driving frequency higher than the first driving frequency ([0067], a blank period BLK2 when the driving frequency is the first driving frequency (60 Hz) may be shorter than a blank period BLK1 when the driving frequency is the second driving frequency (30 Hz). Thus, Ha teaches the relation of time and frequency).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to provide different frequencies (and thus driving time) for moving image or still image as suggested in [0050].
Consider claim 21, Lee teaches a display device comprising: a display panel including subpixels disposed in a display area and dummy subpixels disposed in an outer area (Figure 1, DP and P). In addition, Lee teaches wherein the two or more dummy subpixels (Figure 2, DPs) are further configured to display a black image ([0004], black data) in response to a positional shift of an image displayed within the display area (([0004] the display image may be shifted in a predetermined direction, and black data may be displayed in an outer peripheral portion where the display image is not displayed due to the shift of the display image. In this case, according to the display image shift scheme, an origin of the display image (e.g., a center of the image) may be shifted in a clockwise or counterclockwise direction in the form of a rectangular helix and further refers to in order to solve…display device may disperse the stress (see also figure 3)).
Lee does not appear to specifically disclose a driving circuit configured to output a sensing data voltage to a selected subpixel from among the subpixels and to one or more of the dummy subpixels; receive a first sensing value from the selected subpixel and a plurality of second sensing values from the two or more dummy subpixels; and generate a sensing voltage based on a sum of the first sensing value and the plurality of second sensing values, wherein each of the plurality of second sensing values corresponds to a constant current that reduces a time required to generate the sensing voltage.
However, Kang teaches a driving circuit configured to output a sensing data voltage to a selected subpixel from among the subpixels and to one or more of the dummy subpixels ([0234] and figures 15-16; [0213], black data voltage); and a sensing circuit configured to: in response to at least one of a resolution of the display panel, a driving time of the display panel or a pixel per inch (PPI) of the display panel ([0227-0228], short time, blank time), determine two or more dummy subpixels from among the dummy subpixels to utilize for a sensing operation; simultaneously receive a first sensing value from the selected subpixel and a plurality of second sensing values from the two or more dummy subpixels (Figures 15-16, SP1, SP2, SP3 and corresponding currents) via line during a blank period of a vertical synchronization signal (Figures 15-16, [0227-0228], blank time); and generate a sensing voltage based on a sum of the first sensing value and the plurality of second sensing values (Figures 15-16, Isen_sum) to reduce a time required to generate the sensing voltage during the blank period ([0354-0357], the sensing time can be shortened), wherein each of the plurality of second sensing values corresponds to a constant current bias (Figure 17, SLP2 increases steady and thus the current considered constant during this period. [0227-0028], See for example, a second sensing driving method capable of shortening a sensing time. “https://components101.com/articles/understanding-constant-current-and-constant-voltage-sources” mentions “The red colour curve shows the charging voltage, while the blue curve shows the charging current” and “constant current mode” as annotated above (graph of Kang’s figure 17 is provided for comparison) for increasing current when sensing the first sensing value corresponding to the selected subpixel, wherein the sensing circuit receives the first sensing value and the plurality of second sensing values concurrently with the two or more dummy subpixels displaying the black image (Figure 15, Isen_sum includes Isen and Iassist2-4. [0213], black data).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to generate a sum of sensing value as taught by Kang with the benefit that sensing circuit senses an elevated voltage as suggested in [0252] and [0256]. In addition, the sensing time can be shortened. It is possible to obtain an accurate sensing value. the sensing can be performed quickly and accurately. It is possible to perform fast and accurate sensing even in various situations where the sensing time is insufficient as suggested in [0354-0357].
Kang does not appear to specifically disclose wherein the selected subpixel and the one or more of the dummy subpixels are disposed in a same column and connected to a common data line;
However, in a related field of endeavor, Hyan teaches a display device (abstract) and further teaches wherein the selected subpixel and the one or more of the dummy subpixels are disposed in a same column and connected to a common data line (Figure 1, PX-D, PX and D1).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to provide same data line as taught by Hyun so that the dummy pixel PX_Dij is located at the intersection between the i-th scan line Si and the j-th data line Dj. Thus, the second switching transistor MS_2 may selectively transmit a data signal provided thereto via the j-th data line Dj to the second driving transistor MD_2 through a switching operation according to a scan signal provided thereto via the i-th scan line Si as suggested in [0073-0075] and figures 2a-b.
Lee and Kang does not appear to specifically disclose at least one of a resolution of the display panel, a driving frequency of the display panel or a pixel per inch (PPI) of the display panel being greater than a predetermined reference value
However, Ha teaches at least one of a resolution of the display panel, a driving frequency of the display panel or a pixel per inch (PPI) of the display panel being greater than a predetermined reference value ([0067], a blank period BLK2 when the driving frequency is the first driving frequency (60 Hz) may be shorter than a blank period BLK1 when the driving frequency is the second driving frequency (30 Hz). Thus, Ha teaches the relation of time and frequency).
Therefore, it would have been obvious to one of the ordinary skill in the art before the effective filing date of the claimed invention to provide different frequencies (and thus driving time) for moving image or still image as suggested in [0050].
Allowable Subject Matter
Claims 1, 3-4 are allowed.
The following is an examiner’s statement of reasons for allowance:
Claim 1 recites a display device comprising: a display panel including subpixels disposed in a display area and dummy subpixels disposed in an outer area of the display area; a driving circuit configured to output a sensing data voltage for sensing a first subpixel among the subpixels and a first dummy subpixel among the dummy subpixels, wherein the first subpixel and the first dummy subpixel are disposed in a same column and connected to a common data line; and a sensing circuit configured to: simultaneously receive a first sensing value from a sensing node of the first subpixel and a second sensing value from a sensing node of the first dummy subpixel via the common data line during a blank period of a vertical synchronization signal, and generate a sensing voltage based on a sum of the first sensing value and the second sensing value to reduce a time required to generate the sensing voltage during the blank period, wherein the second sensing value corresponding to the first dummy subpixel acts as a constant current bias source for increasing current when sensing the first sensing value corresponding to the sensing node of the first subpixel, wherein the constant current bias is greater than 0 volts, and wherein, during an orbit driving operation, the first dummy subpixel is driven to display a black image in synchronization with when a position of protection image displayed based on the subpixels is moved, and the sensing circuit receives the first and second sensing values concurrently with the first dummy subpixel displaying the black image. Prior arts do not appear to disclose all the above underlined limitations in combination to other limitations in the claim.
Any comments considered necessary by applicant must be submitted no later than the payment of the issue fee and, to avoid processing delays, should preferably accompany the issue fee. Such submissions should be clearly labeled “Comments on Statement of Reasons for Allowance.”
Response to Arguments
Applicant's arguments filed 05/08/2026 have been fully considered but they are not persuasive.
On page 10, Applicant argues that “Independent claims 6, 9, 11 and 21 recite similar distinguishing features as claim 1 in varying claim scopes and are allowable for similar reasons as claim 1. The various dependent claims are allowable at least based on their dependency from claim 1, 6, 9, 11 or 21, and/or further in view of their own respective features.” The Office respectfully disagrees for the following reasons.
Claims 6, 9, 11 and 21 do not recite all the limitations of claim 1. As detail above, Prior arts disclose all the limitations of these claims.
Conclusion
THIS ACTION IS MADE FINAL. Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a).
A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action.
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/ROBERTO W FLORES/Primary Examiner, Art Unit 2621
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