Prosecution Insights
Last updated: May 29, 2026
Application No. 18/506,153

LIGHT SOURCE FOR PICTURE GENERATION UNIT IN HUD

Non-Final OA §102
Filed
Nov 10, 2023
Examiner
GAGNON, GRANT A
Art Unit
2872
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Shenzhen Raythink Automotive Electronics Co. Ltd.
OA Round
1 (Non-Final)
84%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
91%
With Interview

Examiner Intelligence

Grants 84% — above average
84%
Career Allowance Rate
383 granted / 457 resolved
+15.8% vs TC avg
Moderate +7% lift
Without
With
+7.4%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
30 currently pending
Career history
492
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
58.7%
+18.7% vs TC avg
§102
32.6%
-7.4% vs TC avg
§112
1.8%
-38.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 457 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 . 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) 1-10 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Osmanis (US 20230236421) herein after referred to as D1. With regard to claim 1, D1 teaches a light source for a picture generation unit in a head up display (HUD), in at least (fig. 2A-2C); comprising: at least two light emitting assemblies (202), each configured to emit at least three colors of light (202R, 202G, 202B); and a light combining assembly, comprising a dichroic beam splitter (206A) and combiner mirror (206B), a half-wave plate (112), and a polarizing beam splitter mirror (104), wherein the dichroic beam splitter (206A) and combiner mirror (206B) is arranged on light emitting paths of the light emitting assemblies (202R, 202G, 202B) and configured to combine the at least three colors of light (202R, 202G, 202B) emitted by each of the light emitting assemblies (202R, 202G, 202B) into combined light (108), the half-wave plate (112) is arranged on a light emitting path of one ray of the combined light (108) and configured to change a polarization characteristic of the combined light (108), and the polarizing beam splitter mirror (104) is configured to combine the combined light (108) emitted from the half-wave plate (112) with another ray of the combined light (108). 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 a HUD, in at least (fig. 2A-2C); wherein there are two light emitting assemblies (202), each comprising at least one first light emitting element (202R), at least one second light emitting element (202G), and at least one third light emitting element (202B); and the first light emitting element (202R), the second light emitting element (202G), and the third light emitting element (202B) are configured to emit a first color of light (202R), a second color of light (202G), and a third color of light (202B), respectively. 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 a HUD, in at least (fig. 2A-2C); wherein a collimating lens (208) is further arranged on each of light emitting paths of the first light emitting element (202R), the second light emitting element (202G), and the third light emitting element (202B). 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 3, wherein D1 further teaches a HUD, in at least (fig. 2A-2C); wherein both the half-wave plate (112) and the polarizing beam splitter mirror (104) are arranged at a top of the dichroic beam splitter (206A) and combiner mirror (206B). 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 a HUD, in at least (fig. 2A-2C); wherein the dichroic beam splitter (206A) and combiner mirror (206B) is provided with a first dichroic beam splitting and combining surface (206A top), a second dichroic beam splitting and combining surface (206A bottom), and a third dichroic beam splitting and combining surface; the first dichroic beam splitting and combining surface (206A top) is configured to reflect the first color of light (202G) to the second dichroic beam splitting and combining surface (206A bottom); the second dichroic beam splitting and combining surface (206A bottom) is configured to transmit the first color of light (202G) to the third dichroic beam splitting and combining surface (206B), and to reflect the second color of light (202G) to the third dichroic beam splitting and combining surface (206B); the third dichroic beam splitting and combining surface (206B) is configured to transmit the third color of light to the half-wave plate (112) and the polarizing beam splitter mirror (104), and to reflect the first color of light (202G) and the second color of light (202G) to the half-wave plate (112) and the polarizing beam splitter mirror (104); and the first color of light (202R), the second color of light (202G), and the third color of light (202B) incident into the half-wave plate (112) are combined into first combined light (108), and the first color of light (202R), the second color of light (202G), and the third color of light (202B) incident into the polarizing beam splitter mirror (104) are combined into second combined light (108). 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 3, wherein D1 further teaches a HUD, in at least (fig. 2A-2C); wherein both the half-wave plate (112) and the polarizing beam splitter mirror (104) are arranged at one end of the dichroic beam splitter (206A) and combiner mirror (206B). 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 6, wherein D1 further teaches a HUD, in at least (fig. 2A-2C); wherein the dichroic beam splitter (206A) and combiner mirror (206B) is provided with a first dichroic beam splitting and combining surface (206A top), a second dichroic beam splitting and combining surface (206A bottom), and a third dichroic beam splitting and combining surface (206B); the first dichroic beam splitting and combining surface (206A top) is configured to reflect the first color of light (202G) to the second dichroic beam splitting and combining surface (206A bottom); the second dichroic beam splitting and combining surface (206A bottom) is configured to transmit the first color of light (202G) to the third dichroic beam splitting and combining surface (206B), and to reflect the second color of light (202G) to the third dichroic beam splitting and combining surface (206B); the third dichroic beam splitting and combining surface (206B) is configured to transmit the first color of light (202G) and the second color of light (202G) to the half-wave plate (112) and the polarizing beam splitter mirror (104), and to reflect the third color of light to the half-wave plate (112) and the polarizing beam splitter mirror (104); and the first color of light (202R), the second color of light (202G), and the third color of light incident into the half-wave plate (112) are combined into first combined light (108), and the first color of light (202R), the second color of light (202G), and the third color of light incident into the polarizing beam splitter mirror (104) are combined into second combined light (108). 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 7, wherein D1 further teaches a HUD, in at least (fig. 2A-2C); wherein the polarizing beam splitter mirror (104) is provided with a fourth beam splitting and combining surface (104, lines) and a fifth beam splitting and combining surface (104 lines); the fourth beam splitting and combining surface (104, lines) is configured to reflect the first combined light (108) emitted from the half-wave plate (112) to the fifth beam splitting and combining surface (104, lines); and the fifth beam splitting and combining surface (104, lines) is configured to transmit the second combined light (108), and to reflect the first combined light (108) to a light emitting direction of the second combined light (108). 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 2, wherein D1 further teaches a HUD, in at least (fig. 2A-2C); wherein the two light emitting assemblies (202) are arranged side by side (Fig. 6, displays on top for left and right eyes) . 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 2, wherein D1 further teaches a HUD, in at least (fig. 2A-2C); wherein the first light emitting element (202R), the second light emitting element (202G), and the third light emitting element (202B) are all laser diodes ([0101]). 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 /BUMSUK WON/Supervisory Patent Examiner, Art Unit 2872
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Prosecution Timeline

Nov 10, 2023
Application Filed
Jan 12, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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3y 2m to grant Granted May 26, 2026
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3y 11m to grant Granted May 19, 2026
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3y 8m to grant Granted May 19, 2026
Patent 12631873
IR REFLECTIVE MULTILAYER OPTICAL FILMS
3y 5m to grant Granted May 19, 2026
Patent 12631882
LIGHT PROJECTOR
2y 11m to grant Granted May 19, 2026
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 (+7.4%)
2y 7m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 457 resolved cases by this examiner. Grant probability derived from career allowance rate.

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