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Detection device and detection method

A detection method and technology to be detected, applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of poor flatness, affecting the user's touch and visual experience, and the inability to spread the bending area.

Active Publication Date: 2021-01-12
LENOVO (BEIJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the field of flexible display screens, after the flexible display screen has undergone multiple bending deformations, there are undulating areas in the bending area that cannot be flattened, and the flatness is poor. The plane parameters of the flexible display screen not only affect the image display effect, but also affect the user. Tactile sensation and visual sensation

Method used

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  • Detection device and detection method
  • Detection device and detection method

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Embodiment Construction

[0058] The following will clearly and completely describe the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0059] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0060] like figure 1 as shown, figure 1 A schematic flow chart of a detection method provided in the embodiment of the present application, the detection method includes:

[0061] Step S11: Obtain spatial positi...

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Abstract

The invention discloses a detection method and a detection device, spatial position parameters of a plurality of sampling points in a sampling area on the surface of a to-be-detected device can be obtained, and plane parameters of the sampling area can be determined based on the spatial position parameters of at least two sampling points, wherein the plane parameters comprise a first parameter capable of representing the height difference of the sampling area and a second parameter capable of representing the gradient change degree of the sampling area. The technical scheme can be used for determining the height difference and the gradient change degree of the folding part of the folding screen.

Description

technical field [0001] The technical field of device surface flatness detection of the present application, more specifically, relates to a detection device and a detection method. Background technique [0002] The height difference and slope variation degree of the device surface are plane parameters that can characterize the flatness of the device surface, and the plane parameter is an important parameter that characterizes the performance of the device. In the field of flexible display screens, after the flexible display screen has undergone multiple bending deformations, there are undulating areas in the bending area that cannot be flattened, and the flatness is poor. The plane parameters of the flexible display screen not only affect the image display effect, but also affect the user. tactile and visual sensations. Contents of the invention [0003] In view of this, the application provides a detection method and detection device, the scheme is as follows: [0004] ...

Claims

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Application Information

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IPC IPC(8): G01B11/30
CPCG01B11/30
Inventor 苏跃峰宋扬
Owner LENOVO (BEIJING) CO LTD