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US 7,248,307 B2Granted
Liquid crystal display module having different numbers of securing points to secure optical sheet to support
AssigneeLG. Philips LCD Co., Ltd.
InventorSang Yub Han
Life of this patent
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Abstract
A liquid crystal display module is disclosed that has an optical sheet supported by a main support. In the module, the optical sheet is secured to a main support through a first securing point close to one corner at one side and secured to the main support through a second securing point close to each corner at the opposing side. In this liquid crystal display module, deformations in the optical sheet caused by applied heat from the light source is reduced or eliminated.
Claims10
A liquid crystal display module, comprising:
- a main support;
- and
- an optical sheet secured to the main support through a first securing point close to one corner of a first diagonal line having a high thermal expansion coefficient of the optical sheet and secured to the main support through a second and third securing points close to corners of a second diagonal line having a low thermal expansion coefficient of the optical sheet,
- wherein a number of securing points disposed so as to engage the first diagonal line is different from a number of securing points disposed so as to engage the second diagonal line.
1 more element
Dependencies are inferred from the claim text.