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In-display sensing control method

A control method and light sensing technology, applied in character and pattern recognition, instruments, static indicators, etc., can solve the problems of reduced sensing sensitivity, insufficient resolution, slow recognition speed, etc., and achieve the goal of improving sensing sensitivity Effect

Pending Publication Date: 2020-09-15
MACROBLOCK INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because this type of component structure is to arrange the fingerprint identification sensor module under the touch display component, therefore, the sensing incident light used for identification is easily interfered or affected by the touch display component, resulting in a decrease in sensing sensitivity. , Insufficient resolution or slow recognition speed

Method used

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. The same reference numbers in the figures denote functionally identical or similar components.

[0021] An embodiment of the under-screen sensing control method of the present invention is used to filter the incident light from the outside to the sensing display device, and then be sensed by the light sensing unit of the sensing display device.

[0022] refer to figure 2 , the sensing and display device includes a liquid crystal display 2, a photo-sensing unit 3, and a packaging case (not shown), and the liquid crystal display 2 and the photo-sensing unit 3 are integrated and packaged in the packaging case .

[0023] The liquid crystal display 2 has a first substrate 21 and a second substrate 22 spaced apart from each other, a plurality of liquid crystal molecules 23 interposed between the first substrate 21 and the second substrate 22, a A side awa...

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Abstract

An in-display sensing control method includes the steps of: using a backlight unit of a liquid crystal display to provide sensing light emitted from a display surface, wherein the sensing light generates incident light after contacting an external object to be measured; controlling the liquid crystal molecules of the liquid crystal display, making the liquid crystal molecules and corresponding color filter units cooperate to form a first filter channel through which light can pass in a predetermined area, so that the incident light can have a predetermined wavelength range after passing through the first filter channel and be sensed by a light sensing unit. By controlling the liquid crystal molecules and cooperating with the color filter, the incident light incident onto the light sensingunit can have a predetermined wavelength and be sensed by the light sensing unit, thereby improving the sensing sensitivity of the light sensing unit.

Description

technical field [0001] The invention relates to a sensing control method, in particular to an under-screen sensing control method for an under-screen sensing display. Background technique [0002] Fingerprint recognition is a method commonly used in current electronic products for identity recognition or authentication. Therefore, how to quickly and accurately identify the fingerprint to be tested is the direction of active efforts of people in the related technical field. Wherein, the under-screen fingerprint recognition touch display is obtained by integrating the fingerprint recognition sensing module under the touch display component. However, because this type of component structure is to arrange the fingerprint identification sensor module under the touch display component, therefore, the sensing incident light used for identification is easily interfered or affected by the touch display component, resulting in a decrease in sensing sensitivity. , Insufficient resolu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/133G02F1/1333G06K9/00
CPCG02F1/13306G02F1/13338G06V40/1318G02B6/0026G02F1/1336G02F1/133514
Inventor 林益胜
Owner MACROBLOCK INC
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