Display panel and method for measuring distance of external objects using display panel
A technology for displaying panels and external objects, which is applied in the direction of using re-radiation, measuring devices, and electromagnetic wave re-radiation, etc., can solve the problems of limited field of view, low panel integration, and blind spots, and can eliminate blind spots in ranging, Increased added value, well-integrated effects
Active Publication Date: 2020-07-28
BOE TECH GRP CO LTD
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Problems solved by technology
[0002] Currently, the ranging function of external objects (for example, objects located in front of the display panel) on the display panel is realized through an additional separate ranging module, which has a limited field of view, blind spots, and is not well integrated with the panel
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[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Apparently, the described embodiments are some, not all, of the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative effort fall within the protection scope of the present disclosure. It should be noted that throughout the drawings, the same elements are denoted by the same or similar reference numerals. In the following description, some specific embodiments are only for the purpose of description, and should not be construed as limiting the present disclosure in any way, but are only examples of the embodiments of the present ...
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The invention provides a display panel and a method for measuring the distance of an external object by using the display panel. The display panel includes a lower substrate, a sub-pixel array and atleast one distance measurement unit; the sub-pixel array is located on the portion, close to a light emitting surface of the display panel, on the surface of the lower substrate; each distance measurement unit comprises an infrared light source and at least one infrared receiving unit, wherein the infrared light sources are used for vertically emitting infrared light from the light emitting surface, and the infrared receiving units are used for receiving the infrared light from the light emitting surface. Each infrared receiving unit is distributed on the portion, close to the light emitting surface, on the surface of the lower substrate and located between every two adjacent sub-pixels in the sub-pixel array.
Description
technical field [0001] The present disclosure relates to the field of display, and in particular to a display panel and a method for measuring the distance of an external object using the display panel. Background technique [0002] Currently, the ranging function of external objects (for example, objects located in front of the display panel) on the display panel is realized through an additional separate ranging module, which has a limited field of view, blind spots, and is not well integrated with the panel . Contents of the invention [0003] The present disclosure proposes a display panel and a method for measuring the distance of an external object using the display panel. [0004] According to one aspect of the present disclosure, a display panel is provided. The display panel includes: a lower substrate; a sub-pixel array located on a surface of the lower substrate close to the light-emitting surface of the display panel; and at least one ranging unit, each rangi...
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IPC IPC(8): G01S17/08G01S7/481G09F9/00
CPCG01S7/4811G01S17/08G09F9/00
Inventor 王海生丁小梁刘伟曹学友王鹏鹏韩艳玲王佳斌李扬冰郑智仁陈博邓立凯张平
Owner BOE TECH GRP CO LTD