The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 21, 2023

Filed:

Nov. 07, 2022
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Yong Seok Kim, Seoul, KR;

Youngchan Kim, Incheon, KR;

Jeongwoo Park, Yongin-si, KR;

Minhee Son, Hwaseong-si, KR;

Saet Byeol Shin, Cheonan-si, KR;

Byeong-Hee Won, Incheon, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3208 (2016.01); H10K 59/50 (2023.01); H10K 50/844 (2023.01); H10K 59/122 (2023.01); H10K 59/173 (2023.01);
U.S. Cl.
CPC ...
H10K 59/50 (2023.02); G09G 3/3208 (2013.01); H10K 50/844 (2023.02); G09G 2300/0426 (2013.01); G09G 2320/028 (2013.01); H10K 59/122 (2023.02); H10K 59/173 (2023.02);
Abstract

The display panel includes a display area including a pixel area, and a light blocking area which is adjacent to the pixel area, a first light emitting device which is in the pixel area of the display area and emits a light having a first wavelength range, a second light emitting device which is in the light blocking area of the display area and emits a light having a second wavelength range different from the first wavelength range, and a discoloration layer which is on the second light emitting device and is color-changeable by the light having the second wavelength range, the discoloration layer defining a first opening exposing the pixel area to outside the discoloration layer.


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