DISPLAY, FRONT COVER THEREOF, MOLD OF FRONT COVER, AND MANUFACTURING METHOD FOR FRONT COVER

• US 20090168319A1
• Filed: 09/30/2008
• Published: 07/02/2009
• Est. Priority Date: 12/28/2007
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Sang Hak, Jung, Hyun Jun, JEON, Sang Bong
• Granted Patent: US 8,339,535 B2
• Time in Patent Office: Days
• US Class Current: 361/679.220
• CPC Class Codes: B29C 45/162 using means, e.g. mould parts, for transferring an injected part between moulding stations
• CPC Class Codes: B29C 45/561 Injection-compression moulding
• CPC Class Codes: B29K 2995/0026 Transparent
• CPC Class Codes: B29K 2995/0029 Translucent
• CPC Class Codes: B29L 2031/3475 Displays, monitors, TV-sets, computer screens
• CPC Class Codes: G02B 6/0095 Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
• CPC Class Codes: G06F 1/1601 Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64
• CPC Class Codes: H04N 5/64 Constructional details of receivers, e.g. cabinets or dust covers furniture aspects of television cabinets A47B81/06

Abstract

The present invention provides a display improved in an exterior appearance by a front cover, and a manufacturing method thereof, wherein the front cover covers a display panel and includes a translucent layer which transmits colored light, and a transparent layer to receive and transmit the colored light, wherein the translucent layer and the transparent layer are integrally formed. The front cover may be capable of implementing a natural tone variation thereon.

Claims

1. A display, comprising:

a display module to implement an image;

a front cover to cover a front periphery of the display module and including a translucent layer provided to the front cover to implement a tone variation on an exterior appearance of the front cover.

2. The display according to claim 1, wherein the translucent layer comprises:

a thickness variation portion having varied thickness to achieve the tone variation by differences of an optical transmittance.

3. The display according to claim 2 wherein the front cover further comprises:

a transparent layer to transmit the tone variation through the front cover.

4. The display according to claim 3, wherein the transparent layer and the translucent layer are integrally formed with each other.

5. The display according to claim 4, wherein the front cover is formed by double injection molding.

6. The display according to claim 4, wherein at least a portion of the transparent layer, adjoining a border between the transparent layer and the translucent layer, is slanted at a predetermined angle, and corners of the transparent layer and the translucent layer which are disposed on the border are in contact with each other.

7. The display according to claim 6, wherein the portion of the transparent layer, adjoining the border between the transparent layer and the translucent layer, and another portion of the transparent layer are nonlinearly disposed.

8. The display according to claim 2, wherein the thickness variation portion becomes thinner in an outwardly direction of the front cover.

9. The display according to claim 2, wherein the thickness variation portion comprises:

at least one penetrated portion so that the translucent layer is formed discontinuously.

10. The display according to claim 9, wherein the front cover comprises:

an upper portion, a lower portion, a left portion and a right portion; and

the at least one penetrated portion is formed in at least one of the upper, lower, left and right portions.

11. The display according to claim 2, wherein the thickness variation portion comprises at least one uneven portion.

12. The display according to claim 11, wherein the uneven portion is formed adjoining the transparent layer.

13. The display according to claim 12, wherein the front cover comprises:

an upper portion, a lower portion, a left portion and a right portion; and

the at least one uneven portion is formed in at least one of the upper, lower, left and right portions while forming a predetermined pattern.

14. The display according to claim 2, wherein the translucent layer comprises:

a first translucent portion disposed at a front of the display module and a second translucent portion extended in an outwardly direction of the display module; and

the thickness variation portion is formed at the second translucent portion.

15. The display according to claim 14, wherein the thickness variation portion including the translucent layer is disposed in a space formed by connection between the front cover and the rear cover to cover a rear side of the display module.

16. The display according to claim 2, further comprising:

at least one reflection member which is disposed at a rear portion of the thickness variation portion to reflect light toward the thickness variation portion.

17. The display according to claim 16, wherein the front cover comprises:

an upper portion, a lower portion, a left portion and a right portion; and

the at least one reflection member is mounted corresponding to at least one of the upper, lower, left and right portions.

18. The display according to claim 16, wherein the reflection member comprises:

a white color.

19. The display according to claim 2, further comprising:

a light source disposed at a rear portion of the thickness variation portion.

20. The display according to claim 2, wherein the rear cover forms a receiving space therein for the display module by connection with the front cover, and

the translucent layer comprises a first translucent portion disposed in the receiving space, and a second translucent portion extended in an outwardly direction of the receiving space.

21. The display according to claim 20, wherein the thickness variation portion is formed at the second translucent portion.

22. The display according to claim 2, wherein the translucent layer further comprises:

a supporting protrusion to protrude toward the front periphery of the display module.

23. The display according to claim 1, wherein the translucent layer includes a first portion and a second portion, wherein a color of a first portion of the translucent layer is different from a color of the second portion such that the tone variation occurs by differences of an optical transmittance between the first and the second portions of the translucent layer.

24. A manufacturing method of a front cover including a front exterior of a display, the method comprising:

firstly injection molding a transparent layer; and

secondly injection molding a translucent layer including a thickness variation portion, from the transparent layer.

25. The manufacturing method according to claim 24, wherein the thickness variation portion becomes thinner in an outwardly direction of the front cover.

26. The manufacturing method according to claim 24, wherein the translucent layer is disposed behind the transparent layer.

27. The manufacturing method according to claim 24, wherein the second injection molding applies a sealing mold which compresses the firstly injection molded transparent layer to prevent leakage of a second molded material for the translucent layer.

28. The manufacturing method according to claim 27, wherein the sealing mold compresses border portions between the firstly injection molded transparent layer and the translucent layer that will be secondly injection molded, corresponding to a shrinkage of the transparent layer.

29. The manufacturing method according to claim 28, wherein the transparent layer is compressed a distance in a range of 0.05 mm to 0.2 mm.

30. An injection mold for a front cover of a display, the injection mold comprising:

a sealing mold to compress a first molded material along borders between the first molded material and a second molded material molded on the first molded material.

31. The injection mold according to claim 30, wherein the sealing mold compresses the first molded material corresponding to a shrinkage of the first molded material.

32. The injection mold according to claim 30, wherein the first molded material becomes a transparent layer for a front cover of the display, and the second molded material becomes a translucent layer for the front cover.

33. A front cover including a front exterior of the display, the front cover comprising:

a first molded material formed by first injection molding and a second molded material formed by second injection molding,

wherein first molded material includes a compression portion formed by injection molds.

34. The front cover according to claim 33, wherein the compression portion compresses the first molded material along the border with the second molded material molded on the first molded material.

35. The front cover according to claim 34, wherein the compression portion compresses the first molded material corresponding to a shrinkage of the first molded material.

36. The front cover according to claim 33, wherein the first molded material becomes a transparent layer, and the second molded material becomes a translucent layer having a predetermined color.

37. A front cover usable with a display having a display module, the front cover comprising:

a translucent layer including a thickness variation portion having a varied thickness to achieve a tone variation; and

a transparent layer proximate to the translucent layer to transmit the tone variation.

38. The front cover according to claim 37, wherein the transparent layer transmits the tone variation by differences of an optical transmittance.

39. The front cover according to claim 37, wherein the transparent layer and the translucent layer surround the display module of the display.

40. A front cover usable with a display having a display module, the front cover comprising:

a transparent layer to transmit light; and

a non-transparent layer to change a tone of light varying along a length of the transparent layer and to transmit the changed tone of the light toward the transparent layer.

41. A front cover of a display panel, the front cover comprising:

a translucent layer which transmits colored light; and

a transparent layer to receive and transmit the colored light,

wherein the translucent layer and the transparent layer are integrally formed.

42. The front cover according to claim 41, wherein the translucent layer is disposed behind the transparent layer, and the translucent layer is disposed in front of the display.

43. The front cover according to claim 41, further comprising a variation portion which achieves a tone variation of the colored light, wherein the variation portion is disposed between the translucent layer and the display.

44. The front cover according to claim 41, further comprising a variation portion which achieves a tone variation of the colored light, wherein the variation portion is disposed between the transparent layer and the display.

45. The front cover according to claim 43, wherein the variation portion includes a translucent film;

46. The front cover according to claim 43, wherein the variation portion includes a layer of paint.

47. The front cover according to claim 44, wherein the variation portion includes a translucent film;

48. The front cover according to claim 44, wherein the variation portion includes a layer of paint.

49. The front cover according to claim 41, further comprising a variation portion which achieves a tone variation of the colored light, wherein the translucent layer includes a first portion and a second portion, wherein a color of a first portion of the translucent layer is different from a color of the second portion such that the tone variation occurs by differences of an optical transmittance between the first and the second portions of the translucent layer.

50. The front cover according to claim 41, wherein at least one of the translucent layer and the transparent layer comprises:

at least one penetrated portion so that the at least one of the translucent layer and the transparent layer is formed discontinuously.

51. The front cover according to claim 50 further comprising:

an upper portion, a lower portion, a left portion and a right portion, wherein the at least one penetrated portion is formed in at least one of the upper, lower, left and right portions.

52. The front cover according to claim 41, wherein at least one of the translucent layer and the transparent layer comprises at least one uneven portion.

53. The front cover according to claim 52 further comprising:

an upper portion, a lower portion, a left portion and a right portion, wherein the at least one uneven portion is formed in at least one of the upper, lower, left and right portions while forming a predetermined pattern.

54. The front cover according to claim 41 further comprising a variation portion which achieves a tone variation of the colored light, wherein the variation portion comprises at least one uneven portion.

55. The front cover according to claim 54, wherein the uneven portion is formed adjoining at least one of the transparent layer and the translucent layer.

56. The front cover according to claim 54, wherein the variation portion further comprises an upper portion, a lower portion, a left portion and a right portion, wherein the at least one uneven portion is formed in at least one of the upper, lower, left and right portions while forming a predetermined pattern.