Manufacturing method of optical cover plate, optical cover plate and wearable device
A manufacturing method and wearable device technology, applied in the field of optics, can solve problems such as optical crosstalk, poor detection result accuracy, calculation deviation, etc., and achieve the effects of reducing crosstalk, improving accuracy, and reducing light crosstalk
Active Publication Date: 2021-09-24
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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- Abstract
- Description
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- Application Information
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Problems solved by technology
However, in related technologies, optical crosstalk is prone to occur between the optical device and the optical sensor of the wearable device, which leads to calculation deviation, resulting in poor detection result accuracy.
Method used
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[0024] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, are only for explaining the present application, and should not be construed as limiting the present application.
[0025] In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first featur...
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Abstract
The invention discloses a manufacturing method of an optical cover plate, the optical cover plate and a wearable device. The manufacturing method comprises the following steps: putting a glass substrate with a first barrier layer and a second barrier layer into a furnace with a reducing atmosphere for heat treatment so as to blacken the glass substrate; the first barrier layer and the second barrier layer being spaced; removing the first barrier layer and the second barrier layer to form a blackening region, a first light-transmitting region and a second light-transmitting region; the first light-transmitting area corresponding to the first blocking layer, the second light-transmitting area corresponding to the second blocking layer, and the blackening area surrounding the first light-transmitting area and the second light-transmitting area. Therefore, the blackening treatment is performed on the glass substrate to form the blackening area, and the blackening area surrounds the first light-transmitting area and the second light-transmitting area, so that the first light-transmitting area and the second light-transmitting area are isolated, and crosstalk of light in the first light-transmitting area and the second light-transmitting area is reduced; therefore, light crosstalk between the light emitter and the light sensor which are arranged below the first light-transmitting area and the second light-transmitting area is reduced, and the monitoring accuracy is improved.
Description
technical field [0001] The present application relates to the field of optical technology, and more specifically, to a method for manufacturing an optical cover, an optical cover and a wearable device. Background technique [0002] With the development of science and technology, the user's physiological parameters can be monitored through wearable devices (such as smart bracelets and smart watches). Heart rate detection. However, in the related art, optical crosstalk is prone to occur between the optical device and the optical sensor of the wearable device, which leads to calculation deviation, resulting in poor detection result accuracy. Contents of the invention [0003] Embodiments of the present application provide a method for manufacturing an optical cover, an optical cover, and a wearable device. [0004] The manufacturing method of the optical cover plate according to the embodiment of the present application includes: placing the glass substrate with the first b...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01L31/18H01L25/16H01L31/0203A61B5/00A61B5/024
CPCH01L25/167H01L31/0203H01L31/186A61B5/02416A61B5/02438A61B5/681Y02P70/50
Inventor 黎宇唐中帜
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD