Prosecution Insights
Last updated: July 17, 2026
Application No. 18/770,544

LED TRANSFER METHOD AND MANUFACTURING METHOD OF DISPLAY DEVICE USING THE SAME

Non-Final OA §103§112
Filed
Jul 11, 2024
Priority
Dec 02, 2020 — RE 10-2020-0166705 +1 more
Examiner
SMITH, BRADLEY
Art Unit
Tech Center
Assignee
LG Display Co., Ltd.
OA Round
1 (Non-Final)
80%
Grant Probability
Favorable
1-2
OA Rounds
5m
Est. Remaining
77%
With Interview

Examiner Intelligence

Grants 80% — above average
80%
Career Allowance Rate
709 granted / 889 resolved
+19.8% vs TC avg
Minimal -3% lift
Without
With
+-3.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
31 currently pending
Career history
920
Total Applications
across all art units

Statute-Specific Performance

§101
1.1%
-38.9% vs TC avg
§103
69.3%
+29.3% vs TC avg
§102
6.8%
-33.2% vs TC avg
§112
14.6%
-25.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 889 resolved cases

Office Action

§103 §112
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 § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. Claims 1-7 is rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. The term “rigid” in claim 1 is a relative term which renders the claim indefinite. The term “rigid” is not defined by the claim, the specification does not provide a standard for ascertaining the requisite degree, and one of ordinary skill in the art would not be reasonably apprised of the scope of the invention. The term “flexible” in claim 1 is a relative term which renders the claim indefinite. The term “flexible” is not defined by the claim, the specification does not provide a standard for ascertaining the requisite degree, and one of ordinary skill in the art would not be reasonably apprised of the scope of the invention. The examiner submits the terms refer to different objects and terms could reasonably overlap since all materials could be considered flexible or rigid to some degree. 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. Claim(s) 1-5 is/are rejected under 35 U.S.C. 103 as being unpatentable over Jeung et al. (US 2018/0204973) in view of Wagenleitner et al. (US Patent 10,755,930). Regarding claim 1, Jeung et al. disclose bonding a rigid substrate (110) on which a plurality of light emitting diodes are formed and a flexible substrate(11) (figs 38-39); transferring the plurality of light emitting diodes to the flexible substrate (fig. 39); and detaching the rigid substrate and the flexible substrate [0168]. Jeung et al. fails to disclose the detaching of the rigid substrate and the flexible substrate includes separating the rigid substrate and the flexible substrate in a state in which one surface of the rigid substrate is fixed and a portion among outermost portions of the flexible substrate is fixed by a fixing member. Wagenleitner et al. discloses one surface of the substrate (2a) is fixed and a portion among outermost portions of the flexible substrate (3) is fixed by a fixing member (5, fixing means). The combination of Jeung and Wagenleitner would disclose the detaching [Jeung 0168] of the rigid substrate (Jeung, 110) and the flexible substrate (Jeung, 11) includes detaching the wafer and the donor substrate in a state in which one surface of the wafer is fixed (2a, Wagenleitner) and a portion among outermost portions of the flexible substrate (3) is fixed to a stage(fig. 1, Wagenleitner). The prior art included each element claimed, although not necessarily in a single prior art reference, with the only difference between the claimed invention and the prior art being the lack of actual combination of the elements in a single prior art reference. One of ordinary skill in the art could have combined the elements as claimed by known methods (the fixing means would fix the substrate), and that in combination, each element merely performs the same function as it does separately. One of ordinary skill in the art would have recognized that the results of the combination were predictable (the fixing means would secure the wafer/substrate to the holder). Regarding claim 2, the combination of Jeung and Wagenleitner would disclose the detaching [Jeung 0168] of the rigid substrate (2, fig. 1, Wagenleitner) and the flexible substrate(3, fig. 1, Wagenleitner) further includes loading the rigid substrate and the flexible substrate in the bonding state on a stage (Wagenleitner, fig. 1, 5’). Regarding claim 3 , the combination of Jeung and Wagenleitner would disclose the detaching [Jeung 0168] of the rigid substrate and the flexible substrate (3, fig. 1, Wagenleitner) further includes fixing one edge among a plurality of edges of the flexible substrate to the stage by the fixing member (5, fig. 1 Wagenleitner), wherein a remaining portion of the flexible substrate is configured to be movable on the stage (fig. 1Wagenleitner). Regarding claim 4 , the combination of Jeung and Wagenleitner would disclose the detaching [Jeung 0168] of the rigid substrate and the flexible substrate further includes fixing at least one (the edge is fixed in fig. 1 Wagenleitner and that combined with fig. 18 Jeung with square substrate 10 the examiner submits the edge is fixed then at least one corner of substrate 10 would also be fixed) of corner among a plurality of corners of the flexible substrate to the stage by the fixing member(5, fig. 1 Wagenleitner), wherein a remaining portion of the flexible substrate is configured to be movable on the stage (fig. 1 Wagenleitner). Regarding claim 5 , the combination of Jeung and Wagenleitner would disclose the detaching of the rigid substrate and the flexible substrate further includes moving the rigid substrate (fig. 39 Jeung). Allowable Subject Matter Claims 6 and 7 would be allowable if rewritten to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action and to include all of the limitations of the base claim and any intervening claims. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to BRADLEY K SMITH whose telephone number is (571)272-1884. The examiner can normally be reached Monday-Friday, 10am-6pm. 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, Marlon Fletcher can be reached at 571-272-2063. 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. /BRADLEY SMITH/Primary Examiner, Art Unit 2817
Read full office action

Prosecution Timeline

Jul 11, 2024
Application Filed
Jun 26, 2026
Non-Final Rejection mailed — §103, §112 (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
80%
Grant Probability
77%
With Interview (-3.2%)
2y 5m (~5m remaining)
Median Time to Grant
Low
PTA Risk
Based on 889 resolved cases by this examiner. Grant probability derived from career allowance rate.

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