Inspection apparatus and method of driving the same

• Main Authors: Jang, Jun Ho, Choi, Kyu Wook, Lee, Sangkeun, Lee, Kwang-su, Lim, Choonggil, Kim, Haesung
• Format: Patent
• Language: English
• Published: 04.10.2022
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CALCULATING; COMPUTING; COUNTING; CRYPTOGRAPHY; DEAF-AID SETS; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DISPLAY; EDUCATION; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; FREQUENCY-CHANGING; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; MEASURING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; PUBLIC ADDRESS SYSTEMS; SEALS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

An inspection apparatus includes: a plurality of support members that support a display panel at a predetermined height; a bending-pressing member that presses a pressing surface of the display panel; a sound wave sensor that senses a sound wave generated from the display panel during a bending inspection process, wherein during the bending inspection process, the bending-pressing member presses the pressing surface of the display panel; and an inspection controller that detects a crack in the display panel using the sound wave sensed by the sound wave sensor.