Prosecution Insights
Last updated: May 29, 2026
Application No. 18/084,235

LIGHT EMITTING DEVICE AND LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME

Non-Final OA §112
Filed
Dec 19, 2022
Priority
Dec 31, 2021 — RE 10-2021-0194798
Examiner
NGUYEN, VU ANH
Art Unit
1762
Tech Center
1700 — Chemical & Materials Engineering
Assignee
LG Display Co., Ltd.
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allowance Rate
1255 granted / 1507 resolved
+18.3% vs TC avg
Strong +16% interview lift
Without
With
+15.8%
Interview Lift
resolved cases with interview
Typical timeline
2y 5m
Avg Prosecution
23 currently pending
Career history
1529
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
67.5%
+27.5% vs TC avg
§102
16.7%
-23.3% vs TC avg
§112
14.7%
-25.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1507 resolved cases

Office Action

§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 Interpretation The term “p-type charge generation layer” has a scope as defined in paragraph [0050] of the specification. It is not the same as the hole injection layer. It is a p-type charge generation layer (p-CGL) as commonly understood in the art: the p-CGL in the pair of p-CGL/n-CGL disposed between two adjacent light-emitting units in a tandem OLED. 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 1-14 are 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. Claim 1 recites the compound of formula 1 wherein the metes and bounds of the moieties Re and L are arbitrary. Each of Re and L can be anything as long as they have a certain chemical group. It is unclear if they can be polymeric, heavy metal-containing or coordinate compound-containing. The scope of claim 1 is therefore unclear. Claims 11 and 13 are indefinite for the same reason, and the other claims are indefinite by dependency. Allowable Subject Matter Claims 1-14 would be allowable if rewritten or amended 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. The following is a statement of reasons for the indication of allowable subject matter: The claimed device is not disclosed or suggested by the prior art of record. As the claimed device has a green light-emitting unit comprising, from the side of the first electrode, i.e., the anode, a p-CGL, a HTL and an EML, in that order, the presence of another emitting unit between the anode and the green light-emitting unit is implied. Now, whereas an OLED having the configuration of anode/HIL/HTL/EML/ETL/cathode, wherein the EML may contain a green phosphorescent dopant and a host material similar to the compound of formula 1 in claim 1, is known (see, for example, US 2021/0367178 A1 to Moon et al. and US 2020/0168810 A1 to Parham et al.), and the use of a tandem OLED having a CGL is also well known, there is not an obvious reason for a person of ordinary skill in the art to modify the prior art OLED so that it has the partial structure of anode/…/p-CGL/HTL/EML/…/cathode wherein the EML is as defined in claim 1. Contact Information Any inquiry concerning this communication or earlier communications from the examiner should be directed to VU ANH NGUYEN whose telephone number is (571)270-5454. The examiner can normally be reached M-F 8:00 AM-5:00 PM. 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, ROBERT JONES can be reached at (571) 270-7733. 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. /VU A NGUYEN/Primary Examiner, Art Unit 1762
Read full office action

Prosecution Timeline

Dec 19, 2022
Application Filed
Mar 19, 2026
Non-Final Rejection mailed — §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12637449
ORGANIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME
3y 7m to grant Granted May 26, 2026
Patent 12637400
COMPOUND FOR ORGANIC ELECTRONIC ELEMENT, ORGANIC ELECTRONIC ELEMENT USING THE SAME, AND AN ELECTRONIC DEVICE THEREOF
3y 8m to grant Granted May 26, 2026
Patent 12630522
COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE
4y 0m to grant Granted May 19, 2026
Patent 12628556
A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
5y 2m to grant Granted May 12, 2026
Patent 12624045
CONDENSED CYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE
4y 4m to grant Granted May 12, 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
83%
Grant Probability
99%
With Interview (+15.8%)
2y 5m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1507 resolved cases by this examiner. Grant probability derived from career allowance rate.

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