TRANSFLECTIVE LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

• US 20110194056A1
• Filed: 04/18/2011
• Published: 08/11/2011
• Est. Priority Date: 12/29/2005
• Status: Active Grant

• Current Assignee: Dong Yung Kim
• Original Assignee: Dong Yung Kim
• Inventors: Kim, Dong Yung
• Granted Patent: US 8,054,424 B2
• Time in Patent Office: Days
• US Class Current: 349/114
• CPC Class Codes: G02F 1/133555 Transflectors
• CPC Class Codes: G02F 1/136227 Through-hole connection of the pixel electrode to the active element through an insulation layer
• CPC Class Codes: G02F 2203/02 reflective

Abstract

A transflective liquid crystal display device includes first and second substrates facing each other, a gate line and a data line on the first substrate, the gate and data lines intersecting each other and defining a pixel region having a transmissive region and a reflective region, a thin film transistor at an intersection between the gate line and the data line, a pixel electrode in the pixel region connected to the thin film transistor, an organic insulating layer on the second substrate, the organic insulating layer including a through-hole in the transmissive region, a reflective electrode on the organic insulating layer in the reflective region, a black matrix on the second substrate, a color filter layer on the second substrate in the pixel region, and a liquid crystal layer between the first and second substrates.

Claims

1. A liquid crystal display device, comprising:

a first substrate having at least one switching element and a pixel electrode;

a second substrate having a reflector;

a liquid crystal layer between the first and second substrates; and

a light source, light generated by the light source incident onto a bottom surface of the second substrate.

2. The device according to claim 1, wherein the first and second substrates have a varying cell gap therebetween.

3. The device according to claim 1, further comprising:

a first cell gap in a reflective region; and

a second cell gap in a transmissive region, the first cell gap being smaller than the second cell gap and the reflector being in the reflective region.

4. The device according to claim 1, further comprising:

a black matrix and a color filter layer on one of the first and second substrates.

5. The device according to claim 1, wherein the reflector includes an uneven pattern.

6. The device according to claim 5, further comprising:

an insulating layer on the second substrate and below the reflector.

7. The device according to claim 6, wherein the insulating layer has at least one groove.

8. The device according to claim 7, wherein the insulating layer includes one of an organic insulating material and an inorganic insulating material.

9. The device according to claim 7, wherein the insulating layer includes a light blocking material.

10-20. -20. (canceled)