LIGHT WEIGHT LIQUID CRYSTAL DISPLAY

• US 20080055518A1
• Filed: 06/01/2007
• Published: 03/06/2008
• Est. Priority Date: 07/14/2006
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Jung, Dae-yoon
• Application Number:
  US11/757,075
• Publication Number:
  US 20080055518A1
• Time in Patent Office: Days
• US Class Current: 349/67
• CPC Class Codes: G02B 6/0055 Reflecting element, sheet or layer
• CPC Class Codes: G02B 6/0088 of the light guide or other optical sheets in the package
• CPC Class Codes: G02B 6/0091 of the light source relative to the light guide G02B6/0021 takes precedence
• CPC Class Codes: G02F 1/133615 Edge-illuminating devices, i.e. illuminating from the side
• CPC Class Codes: G02F 1/13452 Conductors connecting driver circuitry and terminals of panels

Abstract

A liquid crystal display includes an upper cover comprising a display window, a liquid crystal panel provided behind the upper cover, a light guide plate provided behind the liquid crystal panel, a light source unit provided along a side of the light guide plate, and a light source cover which comprises a reflection unit that is joined to the upper cover and reflects light emitted from the light source unit to the light guide, and a support unit that extends from a side of the reflection unit to a rear of the light guide plate.

Claims

1. A liquid crystal display, comprising:

an upper cover comprising a display window;

a liquid crystal panel provided behind the upper cover;

a light guide plate provided behind the liquid crystal panel;

a light source unit provided along a side of the light guide plate; and

a light source cover which comprises a reflection unit that is joined to the upper cover and reflects light emitted from the light source unit to the light guide, and a support unit that extends from a side of the reflection unit to a rear of the light guide plate.

2. The liquid crystal display according to claim 1, wherein the support unit is partially superposed on the light guide plate.

3. The liquid crystal display according to claim 2, wherein the light source cover further comprises a wall unit which upwardly extends from opposite sides of the support unit, and

the wall unit is horizontally provided with respect to the reflection unit.

4. The liquid crystal display according to claim 3, wherein the light source unit is provided on opposite sides of the light guide plate, respectively, and

the light source cover comprises a pair of light source covers which are respectively provided corresponding to the light source unit on opposite sides of the light guide plate.

5. The liquid crystal display according to claim 3, wherein the light guide plate is accommodated in an accommodation space formed by the wall unit and the support unit.

6. The liquid crystal display according to claim 5, wherein the upper cover is joined to the wall unit.

7. The liquid crystal display according to claim 6, wherein the light source cover comprises a thickness of about 1 mm through about 3 mm.

8. The liquid crystal display according to claim 6, wherein the light source cover comprises a plastic material.

9. The liquid crystal display according to claim 6, further comprising a drive unit, which comprises a flexible printed circuit board and a drive chip mounted on the flexible printed circuit board,

wherein the flexible printed circuit board extends to a rear of the support unit and faces the support unit.

10. The liquid crystal display according to claim 9, wherein a mirror ink layer is formed by applying a mirror ink to a rear of the light guide plate.

11. The liquid crystal display according to claim 9, further comprising a reflection plate provided between the light guide plate and the support unit.

12. The liquid crystal display according to claim 11, further comprising a light leak blocking member provided between the reflection plate and the support unit.

13. The liquid crystal display according to claim 12, wherein the light leak blocking member comprises aluminum.

14. The liquid crystal display according to claim 1.3, wherein the light leak blocking member comprises a plate shape and is supported by the support unit.

15. The liquid crystal display according to claim 11, further comprising a light leak blocking member coated on a surface of the reflection plate, the surface of the reflection plate faces the support unit.

16. The liquid crystal display according to claim 13, wherein the light leak blocking member comprises a thin film shape and is attached on a rear of the reflection plate by a taping process.

17. The liquid crystal display according to claim 13, wherein the reflection place surrounds a part of the light source unit.

18. The liquid crystal display according to claim 17, further comprising an optical sheet provided between the light guide plate and the liquid crystal panel, and a mold frame which separates the liquid crystal panel from the optical sheet and supports the liquid crystal panel.

19. The liquid crystal display according to claim 18, wherein the mold frame is supported by the reflection unit

20. The liquid crystal display according to claim 18, wherein the upper cover is joined to the wall unit through the mold frame.

21. A liquid crystal display, comprising:

a liquid crystal panel;

a drive unit joined to a part of the liquid crystal panel;

a light guide plate provided behind the liquid crystal panel;

a light source unit provided along a side of the light guide plate; and

a light source cover comprising a reflecting unit which is configured to reflect light emitted from the light source unit to the light guide plate,

the light source cover further comprising a support unit which extends from a part of the reflection unit to a rear of the light guide plate, and the drive unit which extends to a part of the support unit and faces the support unit.