Prosecution Insights
Last updated: October 02, 2026
Application No. 18/790,219

DISPLAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE

Non-Final OA §102
Filed
Jul 31, 2024
Priority
Jan 23, 2020 — nonprovisional of PCTCN2020073961 +1 more
Examiner
WATTS, JEREMY DANIEL
Art Unit
Tech Center
Assignee
BOE Technology Group Co., Ltd.
OA Round
1 (Non-Final)
86%
Grant Probability
Favorable
1-2
OA Rounds
1y 1m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 86% — above average
86%
Career Allowance Rate
78 granted / 91 resolved
+25.7% vs TC avg
Moderate +14% lift
Without
With
+13.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 3m
Avg Prosecution
33 currently pending
Career history
118
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
70.0%
+30.0% vs TC avg
§102
25.6%
-14.4% vs TC avg
§112
4.2%
-35.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 91 resolved cases

Office Action

§102
DETAILED ACTION Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Specification The title of the invention is not descriptive. A new title is required that is clearly indicative of the invention to which the claims are directed. Drawings The drawings are objected to as failing to comply with 37 CFR 1.84(p)(4) because reference characters "23" and "21" have both been used to designate sidewalls of the LEDs. Drawings 1-8 have labeled the sidewalls of the LEDs as 21, however, paragraph [0056], consistent with Fig 9, teach the sidewalls of the LEDs as 23. Proper correction is required. Corrected drawing sheets in compliance with 37 CFR 1.121(d) are required in reply to the Office action to avoid abandonment of the application. Any amended replacement drawing sheet should include all of the figures appearing on the immediate prior version of the sheet, even if only one figure is being amended. Each drawing sheet submitted after the filing date of an application must be labeled in the top margin as either “Replacement Sheet” or “New Sheet” pursuant to 37 CFR 1.121(d). If the changes are not accepted by the examiner, the applicant will be notified and informed of any required corrective action in the next Office action. The objection to the drawings will not be held in abeyance. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. (a)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claims 1-20 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Cummings (US 20020190643 A1). Regarding claims 1 and 20, Cummings teaches a display device (flat panel display, [0062], Fig 3), comprising a display substrate (42), the display substrate (42), including: a base (54); a plurality of light-emitting devices (56) disposed on (shown on) a side (54T: top of 54) of the base (54), the plurality of light-emitting devices (56) being spaced (shown spaced) apart from each other; and a light adjustment layer (60), at least portion of the light adjustment layer (60) being located in (shown in) gaps (Gp: gap between 56) among the plurality of light-emitting devices (56), so that side walls (56SW: sidewalls of 56) of at least one of the plurality of light-emitting devices (56) are surrounded (shown surrounded, Fig 4) by the light adjustment layer (60), a material (60M: sodium, [0013]; well known to be light-absorbing) of the light adjustment layer (60) including a light-absorbing material (sodium); wherein orthogonal projections of the plurality of light-emitting devices (56) on (shown on) the base (54) are located within (shown within) an orthogonal projection of the light adjustment layer (60) on (shown on) the base (54), and a surface (60T: top of 60) of the light adjustment layer (60) away (shown away) from the base (54) covers (shown covering) surfaces (56T: top of 56) of the plurality of light-emitting devices (56) away (shown away) from the base (54). Regarding claim 2, Cummings teaches the display substrate of claim 1 and goes on to teach wherein the light adjustment layer (60, Fig 3) is of a single-layer film structure (shown as a single layer), and the light adjustment layer (60) is composed of (sodium, [0013]) the light-absorbing material (sodium). Regarding claims 3 and 4, Cummings teaches the display substrate of claims 1 and 2, and goes on to teach further comprising a light reflecting layer (60, Fig 3) covering (shown covering) side walls (56SW: sidewalls of 56) of each light-emitting device (56), wherein the light reflecting layer (60) is configured to reflect (shown configured to reflect; since the reflective layer 60 is on top of the light-emitting 56, light from 56 that is emitted upward will reflect back down to the light-emitting 56) light incident from the light-emitting device (56) to the reflecting layer (60) back into the light-emitting device (56). Regarding claim 5, Cummings teaches the display substrate of claim 1 and goes on to teach wherein a ratio (1.2, Fig 9) of a thickness (T1: total thickness of 70/72 in vertical direction) of the portion of the light adjustment layer (60; shown as 70/72 in Fig 9) located in the gaps (Gp) among the plurality of light-emitting devices (56) to a thickness (T2: total vertical thickness of 56) of the plurality of light-emitting devices (56) is greater (shown greater) than 1 and less (shown less) than or equal to 1.5. Regarding claim 6, Cummings teaches the display substrate of claim 1 and goes on to teach wherein the light-absorbing material (sodium) of the light adjustment layer (60) includes at least one of a black ink (carbon, [0019]; alternative embodiment wherein the reflective layer includes an overcoat layer containing carbon, which is a well-known black ink), a black glue, or a black photoresist material. Regarding claim 7, claim 7 was not examined since the black glue of claim 6 was not cited to reject claim 6. Regarding claim 8, Cummings teaches the display substrate of claim 1 and goes on to teach wherein an absorption coefficient (1.35x10-2 m-1; well known in the art to be the absorption coefficient of spherical carbon particles) of the light-absorbing material (carbon, [0019]; alternative embodiment wherein the reflective layer includes an overcoat layer containing carbon) of the light adjustment layer (60, Fig 3; alternatively shown as 70 in Fig 9) is 2×10-5 m-1 to 0.8 m-1 (1.35x10-2 m-1). Regarding claim 9, Cummings teaches the display substrate of claim 1 and goes on to teach wherein a difference (T3: thickness of 60; 70 nm, [0075) between a distance (D1: distance from 54 to 60T directly above 56) from the surface (60T) of the light adjustment layer (60) away (shown away) from the base (54) to the base (54) and a distance (D2: distance from 54 to 56T) from the surfaces (56T) of the plurality of light-emitting devices (56) away (shown away) from the base (54) to the base (54) is greater (shown greater) than 0 and less (shown less) than or equal to 50 μm. Regarding claim 10, Cummings teaches the display substrate of claim 1 and goes on to teach wherein the light adjustment layer (60, Fig 3) includes: a first sub-light adjustment layer (60A: optional oxide layer on lower surface of 60, [0068]) located in (shown in) the gaps (Gp) among the plurality of light-emitting devices (56), a surface (60AT: top surface of 60A which would correspond to the lower surface of 60 shown) of the first sub-light adjustment layer (60A) away from the base (54) being flush with the surfaces (56T) of the plurality of light-emitting devices (56) away from the base, or being higher or lower (shown lower) than the surfaces (56T) of the plurality of light-emitting devices (56) away (shown away) from the base (54) relative to the base (54); and a second sub-light adjustment layer (60B: top layer of 60, shown as 60 in Fig 3) disposed on (on; oxide on lower surface of 60, places 60B on top away from base 54) a side (60AT) of the first sub-light adjustment layer (60A) away (shown away) from the base (54), a surface (60BT: top of 60B) of the second sub-light adjustment layer (60B) away (shown away) from the base (54) being higher (shown higher) than the surfaces (56T) of the plurality of light-emitting devices (56) away (shown away) from the base (54) relative to the base (54), a material (60M: sodium, [0013]; well known to be light-absorbing) of the second sub-light adjustment layer (60B) including the light-absorbing material (sodium), and the second sub-light adjustment layer (60B) being configured to absorb light (well known in the art that sodium absorbs light) incident on the second sub-light adjustment layer (60B). Regarding claim 11, Cummings teaches the display substrate of claim 10 and goes on to teach wherein a material (aluminum, [0014]) of the first sub-light adjustment layer (60A) includes a reflective material (Al; well known to be a reflective material), and the first sub-light adjustment layer (60A) is configured to reflect light (light-reflective layer, [0014]) incident from the light-emitting devices (56) to the first sub-light adjustment layer (60A) back into (since the reflective layer 60 is on top of the light-emitting 56, light from 56 that is emitted upward will reflect back down to the light-emitting 56) the light-emitting devices (56). Regarding claim 12, Cummings teaches the display substrate of claim 11 and goes on to teach wherein a reflectivity (90%; well known in the art that Al reflects 90% or higher of incident light) of the reflective material (Al) in the first sub-light adjustment layer (60A) is 85% to 95% (90%). Regarding claim 13, Cummings teaches the display substrate of claim 11 and goes on to teach wherein the reflective material (Al) of the first sub-light adjustment layer (60A) includes at least one of a white ink, a white glue, or a metal material (Al; aluminum metal). Regarding claim 14, Cummings teaches the display substrate of claim 13 and goes on to teach wherein the white glue is a silica gel doped with titanium dioxide; and the metal material is gold, copper (copper, [0193]; alternate embodiment with reflective layer 70 of copper replacing layer 60), or molybdenum. Regarding claim 15, Cummings teaches the display substrate of claim 10 and goes on to teach wherein the surface (60BT, Fig 3) of the second sub-light adjustment layer (60B) away (shown away) from the base (54) is parallel (shown parallel) to a plane (XY-plane: horizontal plane of Fig 3) where a surface (54T: top of 54) of the base (54) facing (shown facing) the plurality of light-emitting devices (56) is located. Regarding claim 16, Cummings teaches the display substrate of claim 10 and goes on to teach wherein the first sub-light adjustment layer (60A, Fig 3) and the second sub-light adjustment layer (60B) are provided in contact (in contact, [0068]) with each other; and surfaces (60AT/60BB: top layer of 60A and bottom layer of 60B), in contact (in contact, [0068]) with each other, of the first sub-light adjustment layer (60A) and the second sub-light adjustment layer (60B) are conformal (conformal, [0068]) to each other. Regarding claim 17, Cummings teaches the display substrate of claim 10 and goes on to teach wherein the second sub-light adjustment layer (60B, Fig 3) is provided in contact (shown in contact) with the plurality of light-emitting devices (56). Regarding claim 18, Cummings teaches the display substrate of claim 10 and goes on to teach wherein a thickness (10 μm, [0214], Fig 22; the thickness of layer 92 is shown as comparable to the thickness of the light-adjustment layer 70U which corresponds to the second sub-light adjustment layer 60B) of the second sub-light adjustment layer (60B) is 10 μm to 15 μm (10 μm). Regarding claim 19, Cummings teaches the display substrate of claim 10 and goes on to teach wherein the orthogonal projections of the plurality of light-emitting devices (56, Fig 4) on (shown on) the base (54) are located within (shown within) an orthogonal projection of the second sub-light adjustment layer (60B) on (shown on) the base (54). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Lai (US 20230109528 A1) - a2, u-LED display with absorbing layer Schick (US 20130114255 A1) - a1, u-LED array with optical substrate covering LEDs Any inquiry concerning this communication or earlier communications from the examiner should be directed to Jeremy D Watts whose telephone number is (703)756-1055. The examiner can normally be reached M-R 8:00am-4:30pm, F 8:00-3pm EST. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Chad Dicke can be reached at (571) 270-7996. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /JEREMY DANIEL WATTS/Examiner, Art Unit 2897 /CHAD M DICKE/Supervisory Patent Examiner, Art Unit 2897
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Prosecution Timeline

Jul 31, 2024
Application Filed
Sep 23, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

1-2
Expected OA Rounds
86%
Grant Probability
99%
With Interview (+13.9%)
3y 3m (~1y 1m remaining)
Median Time to Grant
Low
PTA Risk
Based on 91 resolved cases by this examiner. Grant probability derived from career allowance rate.

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