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Optical sensor, manufacturing method of the optical sensor and display device including the optical sensor

A technology of optical sensor and display device, applied in the field of optical sensor, manufacture thereof and display device including it

Pending Publication Date: 2021-02-02
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Noise may be generated when a small sense current output from the PIN diode is transferred to the outside

Method used

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  • Optical sensor, manufacturing method of the optical sensor and display device including the optical sensor
  • Optical sensor, manufacturing method of the optical sensor and display device including the optical sensor
  • Optical sensor, manufacturing method of the optical sensor and display device including the optical sensor

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Embodiment Construction

[0035] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same or similar reference numerals may be used for the same configuration elements in the drawings and this specification, and thus, repeated description may be omitted.

[0036] figure 1 and figure 2 is a plan view schematically showing a display device according to an exemplary embodiment of the present invention. For example, figure 1 and figure 2 is a diagram schematically showing a display panel included in a display device according to an exemplary embodiment of the present invention and a driving circuit for driving the display panel. For convenience, figure 1 and figure 2 The display panel and the driving circuit are shown separately, but the present invention is not limited thereto. For example, all or part of the driving circuit can be integrally implemented on the display panel.

[0037] The display device 10 may ...

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Abstract

Disclosed are a n optical sensor, a manufacturing method of the optical sensor and a display device including the optical sensor. The optical sensor comprises: a substrate; a circuit element layer disposed on the substrate and including a circuit element; and a photoelectric element layer including a photoelectric element, a self-assembled monolayer, and a bias electrode connected to the photoelectric element, wherein the photoelectric element is connected to the circuit element, and wherein the self-assembled monolayer is disposed on the photoelectric element.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2019-0091281 filed with the Korean Intellectual Property Office on July 26, 2019, the disclosure of which is incorporated herein by reference in its entirety. technical field [0003] The present invention relates to an optical sensor, a method of manufacturing the optical sensor, and a display device including the optical sensor. Background technique [0004] Recently, a display device such as a smartphone or a tablet personal computer (PC) has been used in various fields, and thus, a biometric information authentication method using a user's fingerprint or the like has been widely used. In order to provide a fingerprint sensing function, a fingerprint sensor may be provided in a form of being embedded in or attached to a display device. Such a fingerprint sensor-integrated display device is called a fingerprint on screen (FoD). [0005] FoDs can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/146
CPCH01L27/14612H01L27/14605H01L27/14636H01L27/14609H01L27/14625H01L31/105H01L31/0224H01L31/18G01J1/02H01L27/142H01L27/14623H04N25/76H04N25/705
Inventor 孙正河金起范金相羽李基准林载翊
Owner SAMSUNG DISPLAY CO LTD