US 7,067,224 B2Granted

Method for fabricating a liquid crystal display device

AssigneeLG.Philips LCD Co., Ltd.

InventorsSung Il Park, Choel Min Woo

Life of this patent

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Abstract

A method for fabricating a liquid crystal display device includes forming a layer of photosensitive material over an entire surface of a first substrate, the first substrate having a first region and a second region defined thereon in which first and second LCD panel models will eventually be formed; aligning a photomask on the layer of the photosensitive material, the photomask including a light shielding material pattered to include first and second transmissive regions having first and second transmissivities, respectively, the second transmissivity being less than the first transmissivity; and selectively exposing the layer of photosensitive material with the photomask; developing the exposed layer of photosensitive material to simultaneously form first and second layers having different thicknesses within the first and second regions, respectively.

Claims21

Dependent claims

A method for fabricating a liquid crystal display (LCD) device, comprising:

forming a layer of photosensitive material over a first substrate having a first region and a second region defined thereon;
arranging a photomask over the layer of photosensitive material, the photomask formed of a light shielding layer patterned to include a first transmissive region and a second transmissive region, the first transmissive region having first transmissivity characteristics and the second transmissive region having second transmissivity characteristics;
and
selectively exposing the layer of photosensitive material to light via the photomask;
developing the exposed layer of photosensitive material to form first and second layers on the first and second regions, respectively, wherein the first and second layers have different thicknesses;
and
forming at least one first LCD panel model within the first region and at least one second LCD panel model within the second region.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 11/000,976Filed 2 Dec 2004
Priority: KR 10-2003-009815227 Dec 2003
Published: US 2005/0142465 A130 Jun 2005
Granted: 27 Jun 2006
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

G02F 1/133351
Constructional arrangements; Manufacturing methods: manufacturing of individual cells out of a plurality of cells, e.g. by dicing
G02F 1/133516
Colour filters: methods for their manufacture, e.g. printing, electro-deposition or photolithography
G02F 1/136236
For reducing the number of lithographic steps: using a grey or half tone lithographic process
G02F
Optical devices or arrangements for the control of light by modification of