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US 7,612,861 B2Granted
Liquid crystal display panel capable of minimizing a defect rate caused by bright point and repairing method thereof
AssigneeLG Display Co., Ltd.
InventorsOh Nam Kwon, Seung Hee Nam
Life of this patent
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Abstract
A liquid crystal display penel includes a substrate, a hole disposed in the substrate, and an opaque substance filling in the hole. The hole is configured to be located in an area corresponding to a bright point. The liquid crystal display penel may minimize a defect ratio and improve a yield by darkening the bright point.
Claims17
A liquid crystal display panel including an upper substrate and a lower substrate, comprising:
- a hole disposed in one of the upper substrate and the lower substrate, the hole configured to be located in an area corresponding to a bright point;
- an opaque substance partially filling in a lower part of the hole;
- and
- a transparent substance filling in an upper part of the hole, wherein the transparent substance includes a transparent pigment and is formed on the opaque substance.
1 more element
A method for repairing a liquid crystal display panel having a an upper substrate and a lower substrate, comprising:
- sensing an area corresponding to a bright point;
- forming a hole in one of the upper substrate and the lower substrate, the hole configured to be located in the area corresponding to the bright point;
- partially filling an opaque substance in a lower part of the hole;
- and
- filling a transparent substance in an upper part of the hole, wherein the transparent substance includes a transparent pigment and is formed on the opaque substance.
2 more elements
Dependencies are inferred from the claim text.