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:
Dec. 26, 2023

Filed:

Aug. 24, 2021
Applicant:

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

Inventor:

Si Kwang Kim, Seongnam-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01); H01L 25/18 (2023.01); G06V 40/13 (2022.01);
U.S. Cl.
CPC ...
H01L 27/14623 (2013.01); G06V 40/1318 (2022.01); H01L 25/18 (2013.01); H01L 27/14685 (2013.01);
Abstract

A fingerprint sensor includes: a light sensing layer including a light sensing element; and an optical layer including a plurality of light transmitting areas, a light blocking area, a light transmitting member disposed in the plurality of light transmitting areas, a light blocking member disposed in the light blocking area, and a planarization member disposed on the light blocking member, wherein the light blocking area surrounds the plurality of light transmitting areas, wherein the light transmitting member includes a first organic material, wherein the light blocking member includes a second organic material, and wherein the planarization member includes a third organic material and a positive-type photosensitive material.


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