Prosecution Insights
Last updated: April 19, 2026
Application No. 17/939,937

OPTICAL SYSTEM AND NEAR-EYE DISPLAY DEVICE

Non-Final OA §102
Filed
Sep 07, 2022
Examiner
GAGNON, GRANT A
Art Unit
2872
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Vivo Mobile Communication Co., Ltd.
OA Round
1 (Non-Final)
84%
Grant Probability
Favorable
1-2
OA Rounds
2y 8m
To Grant
91%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allow Rate
381 granted / 453 resolved
+16.1% vs TC avg
Moderate +7% lift
Without
With
+6.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
38 currently pending
Career history
491
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
41.0%
+1.0% vs TC avg
§102
45.1%
+5.1% vs TC avg
§112
5.5%
-34.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 453 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 . Priority Receipt is acknowledged of certified copies of papers required by 37 CFR 1.55. Information Disclosure Statement The IDS filed to date have been considered. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. 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. Claim(s) 1-20 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Dike (US 20090323024) herein after referred to as D1. With regard to claim 1, D1 teaches an optical system, in at least (fig. 2; [0024], and [0029]-[0030]); comprising: a light-emitting source (108); a light conversion unit (112); and a first reflection unit (128), wherein the light conversion unit (112) is on a light exit side of the light-emitting source (108), and a first surface of the light conversion unit (112) faces a light exit surface of the light-emitting source (108), and the first reflection unit (128) is on a side of the light conversion unit (112) away from the light-emitting source (108), and a first angle ([0042]) is provided between a second surface of the first reflection unit (128) and the first surface, and wherein a first light (104) emitted by the light-emitting source (108) is converted by the light conversion unit (112) into a second light (light waves between 120 and 132), and the second light (light waves between 120 and 132) is reflected by the first reflection unit (128). With regard to claim 2, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 1, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the light conversion unit (112) comprises an absorptive polarizer ([0024]) and a first phase retarder (120), and wherein the absorptive polarizer ([0024]) comprises the first surface, and the first phase retarder (120) is on a side of the absorptive polarizer ([0024]) away from the light-emitting source (108). With regard to claim 3, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 2, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein a second angle ([0042]) is provided between a transmission axis of the absorptive polarizer ([0024]) and an optical axis of the first phase retarder (120). With regard to claim 4, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 2, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the first reflection unit (128) comprises a reflective polarizer and a second phase retarder (142) ([0030]), the second phase retarder (142) comprises the second surface, the second surface faces the light conversion unit (112), the reflective polarizer is on a side of the second phase retarder (142) away from the light conversion unit (112), and a vibration direction of the reflective polarizer is orthogonal ([0044]) to a vibration direction of the absorptive polarizer ([0024]) , and wherein the second light (light waves between 120 and 132) is converted by the second phase retarder (142) into a third light (looped light leaving 128), the third light (looped light leaving 128) is reflected by the reflective polarizer to the second phase retarder (142) and converted by the second phase retarder (142) into a fourth light (straight light leaving 132) to be transmitted to the first phase retarder (120), then the fourth light (straight light leaving 132) is converted by the first phase retarder (120) into a fifth light, and the fifth light is absorbed by the absorptive polarizer ([0024]) . With regard to claim 5, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 4, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the first light (104) is natural light, the second light (light waves between 120 and 132) is circularly polarized light ([0013]), the third light (looped light leaving 128) is a linearly polarized light ([0029]), the fourth light (straight light leaving 132) is a circularly polarized light ([0013]), and the fifth light is a linearly polarized light ([0029]), and wherein a vibration direction of the third light (looped light leaving 128) is orthogonal ([0044]) to a vibration direction of the fifth light. With regard to claim 6, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 4, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the first phase retarder (120) and the second phase retarder (142) are quarter-wave plates. With regard to claim 7, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 4, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein a third angle ([0042]) is provided between an optical axis of the second phase retarder (142) and a transmission axis of the reflective polarizer. With regard to claim 8, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 1, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the optical system further comprises a second reflection unit, the second reflection unit is on the side of the light conversion unit (112) away from the light-emitting source (108), and a reflecting surface of the second reflection unit faces the second surface of the first reflection unit (128), and wherein a sixth light emitted by the light-emitting source (108) is converted by the light conversion unit (112) into a seventh light, the seventh light is transmitted to the first reflection unit (128) and converted by the first reflection unit (128) into an eighth light to be reflected to the second reflection unit, and the eighth light is then reflected by the second reflection unit to the first reflection unit (128) and converted by the first reflection unit (128) into a ninth light to pass through the first reflection unit (128). With regard to claim 9, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 8, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the second reflection unit comprises a curved lens, a surface of the curved lens facing the first reflection unit (128) is a plane, and a surface of the curved lens away from the first reflection unit (128) is a curved surface ([0046]). With regard to claim 10, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 1, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the first angle ([0042]) is not less than 30 degrees and not greater than 60 degrees ([0042]). With regard to claim 11, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 1, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the optical system further comprises a lens, and the lens is arranged between the light-emitting source (108) and the light conversion unit (112). With regard to claim 12, D1 teaches a near-eye display device, comprising an optical system, wherein the optical system comprises: a light-emitting source (108); a light conversion unit (112); and a first reflection unit (128), wherein the light conversion unit (112) is on a light exit side of the light-emitting source (108), and a first surface of the light conversion unit (112) faces a light exit surface of the light-emitting source (108), and the first reflection unit (128) is on a side of the light conversion unit (112) away from the light-emitting source (108), and a first angle ([0042]) is provided between a second surface of the first reflection unit (128) and the first surface, and wherein a first light (104) emitted by the light-emitting source (108) is converted by the light conversion unit (112) into a second light (light waves between 120 and 132), and the second light (light waves between 120 and 132) is reflected by the first reflection unit (128). With regard to claim 13, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 12, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the light conversion unit (112) comprises an absorptive polarizer ([0024]) and a first phase retarder (120), and wherein the absorptive polarizer ([0024]) comprises the first surface, and the first phase retarder (120) is on a side of the absorptive polarizer ([0024]) away from the light-emitting source (108). With regard to claim 14, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 13, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein a second angle ([0042]) ([0042]) is provided between a transmission axis of the absorptive polarizer ([0024]) and an optical axis of the first phase retarder (120). With regard to claim 15, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 13, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the first reflection unit (128) comprises a reflective polarizer and a second phase retarder (142), the second phase retarder (142) comprises the second surface, the second surface faces the light conversion unit (112), the reflective polarizer is on a side of the second phase retarder (142) away from the light conversion unit (112), and a vibration direction of the reflective polarizer is orthogonal ([0044]) to a vibration direction of the absorptive polarizer ([0024]) , and wherein the second light (light waves between 120 and 132) is converted by the second phase retarder (142) into a third light (looped light leaving 128) , the third light (looped light leaving 128) is reflected by the reflective polarizer to the second phase retarder (142) and converted by the second phase retarder (142) into a fourth light (straight light leaving 132) to be transmitted to the first phase retarder (120), then the fourth light (straight light leaving 132) is converted by the first phase retarder (120) into a fifth light, and the fifth light is absorbed by the absorptive polarizer ([0024]) . With regard to claim 16, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 15, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the first light (104) is natural light, the second light (light waves between 120 and 132) is circularly polarized light ([0013]), the third light (looped light leaving 128) is a linearly polarized light ([0029]), the fourth light (straight light leaving 132) is a circularly polarized light ([0013]), and the fifth light is a linearly polarized light ([0029]), and wherein a vibration direction of the third light (looped light leaving 128) is orthogonal ([0044]) to a vibration direction of the fifth light. With regard to claim 17, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 15, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the first phase retarder (120) and the second phase retarder (142) are quarter-wave plates. With regard to claim 18, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 15, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein a third angle ([0042]) is provided between an optical axis of the second phase retarder (142) and a transmission axis of the reflective polarizer (128). With regard to claim 19, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 12, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the optical system further comprises a second reflection unit, the second reflection unit is on the side of the light conversion unit (112) away from the light-emitting source (108), and a reflecting surface of the second reflection unit faces the second surface of the first reflection unit (128), and wherein a sixth light emitted by the light-emitting source (108) is converted by the light conversion unit (112) into a seventh light, the seventh light is transmitted to the first reflection unit (128) and converted by the first reflection unit (128) into an eighth light to be reflected to the second reflection unit, and the eighth light is then reflected by the second reflection unit to the first reflection unit (128) and converted by the first reflection unit (128) into a ninth light to pass through the first reflection unit (128). With regard to claim 20, D1 teaches all of the claimed limitations of the instant invention as have been outlined above with respect to claim 19, wherein D1 further teaches an optical system and near-eye display, in at least (fig. 2; [0024], and [0029]-[0030]); wherein the second reflection unit comprises a curved lens, a surface of the curved lens facing the first reflection unit (128) is a plane, and a surface of the curved lens away from the first reflection unit (128) is a curved surface ([0046]). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to GRANT A GAGNON whose telephone number is (571)270-0642. The examiner can normally be reached M-F 7:30-5:30. 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, Bumsuk Won can be reached at (571) 272-2713. 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. /GRANT A GAGNON/Examiner, Art Unit 2872 /BALRAM T PARBADIA/Primary Examiner, Art Unit 2872
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Prosecution Timeline

Sep 07, 2022
Application Filed
Sep 25, 2025
Non-Final Rejection — §102 (current)

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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
84%
Grant Probability
91%
With Interview (+6.9%)
2y 8m
Median Time to Grant
Low
PTA Risk
Based on 453 resolved cases by this examiner. Grant probability derived from career allow rate.

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