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Fingerprint sensor, method of manufacturing the same, and display device

A fingerprint sensor and display device technology, which is applied in the direction of acquiring/arranging fingerprints/palmprints, electric solid devices, semiconductor devices, etc., and can solve the problems of widening the display area of ​​the display device, etc.

Pending Publication Date: 2022-04-22
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Also, when the fingerprint sensor is provided in the bezel area or the non-display area of ​​the display device, there may be limitations in widening the display area of ​​the display device

Method used

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  • Fingerprint sensor, method of manufacturing the same, and display device
  • Fingerprint sensor, method of manufacturing the same, and display device
  • Fingerprint sensor, method of manufacturing the same, and display device

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Embodiment Construction

[0040] Hereinafter, the present invention will now be described more fully with reference to the accompanying drawings. However, this invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein.

[0041] It will also be understood that when a layer is referred to as being "on" another layer or substrate, it can be directly on the other layer or substrate, or intervening layers may also be present. Throughout the specification, the same reference numerals denote the same components, and thus, repeated descriptions may be omitted. In the drawings, the thicknesses of layers and regions are exaggerated for clarity. In other words, since the size and thickness of components in the drawings may be exaggerated for clarity, the following embodiments of the present invention are not limited thereto.

[0042] Although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not ...

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Abstract

The invention relates to a fingerprint sensor, a method of manufacturing the fingerprint sensor, and a display device including the fingerprint sensor. The fingerprint sensor includes: a light sensing layer including a light sensing element; and an optical layer including a plurality of light transmissive regions, a light blocking region surrounding the plurality of light transmissive regions, a light transmissive member disposed in the plurality of light transmissive regions, a light blocking member disposed in the light blocking region, and a planarization member disposed on the light blocking member, the light transmitting member includes a first organic material, the light blocking member includes a second organic material, and the planarization member includes a third organic material and a positive photosensitive material.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2020-0136675 filed with the Korean Intellectual Property Office on October 21, 2020, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to a fingerprint sensor, a method of manufacturing the fingerprint sensor, and a display device including the fingerprint sensor. Background technique [0004] Display devices are incorporated into various electronic devices such as smartphones, tablets, notebook computers, monitors, and TVs. In recent years, with the development of mobile communication technology, the use of portable electronic devices such as smart phones, tablet personal computers (tablet PCs), and notebook computers has greatly increased. [0005] Generally, portable electronic devices can store private information such as contact information, call logs, messages,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06V40/13
CPCG06V40/13H10K59/65H01L27/14623G06V40/1318H01L27/14678H01L27/14685H01L25/18
Inventor 金是广
Owner SAMSUNG DISPLAY CO LTD