Light detection element
A light detection and component technology, which is applied to electrical components, uses optical devices to transmit sensing components, electrical solid devices, etc. correct etc.
Pending Publication Date: 2022-04-12
INNOLUX CORP
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In other words, the light detection element will be affected by the display content of the display, resulting in incorrect detection results
For example, in addition to the fact that the display content of the display is dark and there is no reflected light detection, changes in the color and brightness of the display content will also interfere with the detection results of the light detection element
In addition, the light detection element is also easily affected by ambient light when detecting
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[0026] The present disclosure can be understood by referring to the following detailed description in conjunction with the accompanying drawings. It should be noted that, in order to make the readers understand easily and for the sake of brevity of the drawings, several drawings in the present disclosure only show a part of the electronic device. Also, certain elements in the drawings are not shown in actual scale. In addition, the number and size of each element in the drawings are only for illustration, and are not intended to limit the scope of the present disclosure.
[0027] In the following description and claims, words such as "comprising" and "comprising" are open-ended words, so they should be interpreted as meaning "including but not limited to...".
[0028] It will be understood that when an element or film is referred to as being “on” or “connected to” another element or film, it can be directly on or directly connected to the other element or film To another elem...
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The invention provides a light detection element which comprises a first light detection unit, a second light detection unit and a driving transistor. The first light detection unit comprises a first transistor and a first light sensing unit. The first transistor is electrically connected with the first light sensing unit. The second light detection unit is electrically connected with the first light detection unit. The second light detection unit comprises a second light sensing unit and a second transistor. The second light sensing unit is electrically connected with the second transistor. The driving transistor has a gate terminal. The gate terminal is electrically connected to the first light sensing unit and the second light sensing unit. In a time interval, the first transistor is not turned on, and the second transistor is turned on.
Description
technical field [0001] The present invention relates to a detection element, and more particularly, to a light detection element. Background technique [0002] When the light detection element is applied to a display, generally a pixel light source can be used as a detection light source. The light detection element detects the reflected light of the object to determine whether the object touches the display at this time, and further determines the touch position of the object. However, if the displayed content of the display is just dark, no reflected light can be detected by the light detecting element. That is to say, the light detection element will be affected by the display content of the display, which will cause its detection result to be incorrect. For example, in addition to the fact that the displayed content of the display is dark and there is no reflected light detection, changes in the color and brightness of the displayed content will also interfere with the...
Claims
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IPC IPC(8): G01D5/26
CPCH04N25/77H04N25/76H01L27/14614H04N25/709H04N25/75H04N25/745
Inventor 丁景隆曾名骏陈厚典郭拱辰
Owner INNOLUX CORP