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公开(公告)号：US12247930B2
公开(公告)日：2025-03-11
申请号：US17888694
申请日：2022-08-16
Applicant: Samsung Display Co., LTD.
Inventor： Sangjun Seok , Namhyuk Kim
IPC: G01N21/958 , G01N21/93
Abstract: An embodiment provides an inspection apparatus for a display device, including: a light supplier that supplies light to a surface of the display device; an inspection pattern portion positioned between the display device and the light supplier; a measurement portion that measures reflected light reflected from the surface of the display device; and a processor that processes data of the reflected light measured by the measurement portion, wherein the processor includes a calibration data portion including calibration data and a calibrator calibrating the data using the calibration data of the calibration data portion.
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公开(公告)号：US20240201045A1
公开(公告)日：2024-06-20
申请号：US18363931
申请日：2023-08-02
Applicant: Samsung Display Co., Ltd.
Inventor： Junsu Park , Namhyuk Kim , Sangjun Seok
CPC classification number: G01M11/081 , G01B11/2408 , G01B11/2513 , G01B11/2527
Abstract: A method of inspecting a flexural strength of a glass including a folding area of a display apparatus includes a sample glass surface measurement operation of measuring a three-dimensional shape of a surface of each of a plurality of sample glasses, a sample glass curvature variable calculation operation of calculating a plurality of curvature variables of each of the plurality of sample glasses based on an information measured in the sample glass surface measurement operation, a sample glass flexural strength measurement operation of measuring a flexural strength of each of the plurality of sample glasses, a data analysis operation including a relational expression generation operation of generating a relational expression between the plurality of curvature variables and the flexural strength, and a flexural strength prediction operation of predicting a flexural strength of a target glass based on the relational expression.
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