DISPLAY DEVICE INSPECTING APPARATUS AND METHOD

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 oper...

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Bibliographische Detailangaben
Hauptverfasser:	Seok, Sangjun, Kim, Namhyuk, Park, Junsu
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	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.