发明名称 |
Apparatus and method for inspecting a liquid crystal display panel |
摘要 |
An apparatus and method for inspecting a liquid crystal display device is provided. The apparatus includes: a camera photographing a front surface of a liquid crystal panel; a back light irradiating light to the liquid crystal panel; a diffuser sheet diffusing the light generated from the back light; a prism sheet converting the diffused light so as to be perpendicularly incident to a rear surface of the liquid crystal panel; a probe unit applying an inspection signal to the liquid crystal panel; and a frequency converter converting a frequency of the light generated from the back light. The apparatus for inspecting the liquid crystal display device according to the invention detects bad sub-pixels, impossible to detect with the naked-eye, improving the quality of the liquid crystal display device.
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申请公布号 |
US2005231229(A1) |
申请公布日期 |
2005.10.20 |
申请号 |
US20050106651 |
申请日期 |
2005.04.15 |
申请人 |
CHUNG HAN R;BYUN SUNG N |
发明人 |
CHUNG HAN R.;BYUN SUNG N. |
分类号 |
G02F1/13;G01R31/00;(IPC1-7):G01R31/00 |
主分类号 |
G02F1/13 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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