Backlight assembly and display device having the same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G09F-013/04
F21V-008/00
G09F-009/35
G09F-013/18
G09F-013/22
G02F-001/1333
G02F-001/1335
출원번호
US-0659332
(2012-10-24)
등록번호
US-9110214
(2015-08-18)
우선권정보
KR-10-2012-0077955 (2012-07-17)
발명자
/ 주소
Lee, Ki-Chang
Park, Jong-Myeong
Lee, Chung-Hui
출원인 / 주소
SAMSUNG DISPLAY CO., LTD.
대리인 / 주소
F. Chau & Associates, LLC
인용정보
피인용 횟수 :
3인용 특허 :
5
초록▼
A backlight assembly includes an optical member, a receiving container and a combining member. The optical member is configured to change optical characteristics of light. The receiving container includes a bottom plate and a sidewall. The bottom plate is disposed under the optical member and is con
A backlight assembly includes an optical member, a receiving container and a combining member. The optical member is configured to change optical characteristics of light. The receiving container includes a bottom plate and a sidewall. The bottom plate is disposed under the optical member and is configured to receive the optical member thereon. The sidewall extends from the bottom plate to form a receiving space with the bottom plate. The optical member is received in the receiving space. The combining member includes a first frame, a second frame and a third frame. The first frame partially covers a bottom surface of the optical member. The second frame protrudes upwards from the first frame. The third frame protrudes from an inner surface of the second frame to partially cover an upper surface of the optical member.
대표청구항▼
1. A backlight assembly comprising: an optical member configured to change optical characteristics of light;a receiving container including: a bottom plate disposed under the optical member and configured to receive the optical member thereon; anda sidewall extending from the bottom plate to form a
1. A backlight assembly comprising: an optical member configured to change optical characteristics of light;a receiving container including: a bottom plate disposed under the optical member and configured to receive the optical member thereon; anda sidewall extending from the bottom plate to form a receiving space with the bottom plate, wherein the optical member is received in the receiving space; anda combining member including: a first frame partially covering a bottom surface of the optical member;a second frame protruding upwards from the first frame;a third frame protruding from an inner surface of the second frame, the inner surface of the second frame facing the receiving space, to partially cover an upper surface of the optical member; anda fourth frame protruding from an outer surface of the second frame, the outer surface of the second frame facing away from the receiving space, the fourth frame bending downward to be substantially parallel with the second frame,wherein the first frame of the combining member is substantially planar, the optical member is substantially planar and parallel to the first frame, and the second frame protrudes in a direction normal to the planes of the first frame and the optical member. 2. The backlight assembly of claim 1, further comprising at least one optical sheet disposed on the optical member. 3. The backlight assembly of claim 2, wherein the optical sheet is disposed on an upper surface of the third frame. 4. The backlight assembly of claim 3, wherein an upper surface of the first frame has greater size than a size of the upper surface of the third frame when viewed in a plan view. 5. The backlight assembly of claim 1, further comprising a plurality of the combining members disposed around edges of the optical member. 6. The backlight assembly of claim 1, wherein part of the sidewall of the receiving container is chamfered, and wherein the chamfered part of the sidewall of the receiving container is located in a corner area of the receiving container. 7. The backlight assembly of claim 1, wherein a portion of the sidewall of the receiving container recesses toward the receiving space, and wherein the portion of the sidewall of the receiving container is combined with the combining member. 8. The backlight assembly of claim 1, further comprising a light source module including a plurality of incident light sources, wherein the light source module is disposed on a side of the optical member. 9. A backlight assembly comprising: an optical member configured to change optical characteristics of light;a receiving container including: a bottom plate disposed under the optical member and configured to receive the optical member thereon; anda sidewall extending from the bottom plate to form a receiving space with the bottom plate, wherein the optical member is received in the receiving space; anda combining member including: a first frame partially covering a bottom surface of the optical member; a second frame protruding upwards from the first frame;a third frame protruding from an inner surface of the second frame, the inner surface of the second frame facing the receiving space, to partially cover an upper surface of the optical member; anda fourth frame protruding from an outer surface of the second frame, the outer surface of the second frame facing away from the receiving space, and bending downward to be substantially parallel with the second frame,wherein the fourth frame protruding from the outer surface of the second frame is configured to be combined with the sidewall of the receiving container. 10. The backlight assembly of claim 9, wherein the sidewall of the receiving container comprises a boss and the fourth frame of the combining member includes a recess, and wherein the recess is combined with the boss of the sidewall of the receiving container. 11. The backlight assembly of claim 10, wherein the optical member is disposed in a first space between the first frame and third frame, and wherein the sidewall of the receiving container is disposed in a second space between the second frame and the fourth frame. 12. A display apparatus comprising: a display panel configured to display an image;an optical member configured to change optical characteristics of light provided to the display panel;a receiving container including: a bottom plate disposed under the optical member and configured to receive the optical member thereon; anda sidewall extending from the bottom plate to form a receiving space with the bottom plate, wherein the optical member is received in the receiving space; anda combining member including: a first frame covering partially a bottom surface of the optical member;a second frame protruding upwards from the first frame;a third frame protruding from an inner surface of the second frame, the inner surface of the second frame facing the receiving space, to cover partially an upper surface of the optical member; anda fourth frame protruding from an outer surface of the second frame, the outer surface of the second frame facing away from the receiving space, the fourth frame bending downward to be substantially parallel with the second frame,wherein the first frame of the combining member is substantially planar, the optical member is substantially planar and parallel to the first frame, and the second frame protrudes in a direction normal to the planes of the first frame and the optical member. 13. The display apparatus of claim 12, further comprising at least one optical sheet disposed on the optical member. 14. The display apparatus of claim 13, wherein the optical sheet is disposed on an upper surface of third frame. 15. The display apparatus of claim 14, wherein an upper surface of the first frame has a greater size than a size of the upper surface of the third frame when viewed in a plan view. 16. A display apparatus comprising: a display panel configured to display an image;an optical member configured to change optical characteristics of light provided to the display panel;a receiving container including: a bottom plate disposed under the optical member and configured to receive the optical member thereon; anda sidewall extending from the bottom plate to form a receiving space with the bottom plate, wherein the optical member is received in the receiving space; anda combining member including: a first frame covering partially a bottom surface of the optical member;a second frame protruding upwards from the first frame;a third frame protruding from an inner surface of the second frame, the inner surface of the second frame facing the receiving space, to cover partially an upper surface of the optical member; anda fourth frame protruding from an outer surface of the second frame, the outer surface of the second frame facing away from the receiving space, the fourth frame bending downward to be substantially parallel with the second frame,wherein the fourth frame protruding from an outer surface of the second frame is configured to be combined with the sidewall of the receiving container. 17. The display apparatus of claim 16, wherein the sidewall of the receiving container comprises a boss and the fourth frame of the combining member includes a recess, and wherein the recess is combined with the boss of the sidewall of the receiving container. 18. The display apparatus of claim 17, wherein the optical member is disposed in a first space between the first frame and third frame, and wherein the sidewall of the receiving container is disposed in a second space between the second frame and fourth frame. 19. A display apparatus comprising: an optical member having a light incident surface, wherein the optical member is configured to change optical characteristics of light;an optical sheet disposed on an upper surface of the optical member;a display panel configured to display an image and disposed on an upper surface of the optical sheet, wherein the display panel includes an upper substrate, a lower substrate opposite to the upper substrate and a liquid crystal layer disposed between the lower substrate and the upper substrate;a receiving container including: a bottom plate disposed under the optical member and configured to receive the optical member thereon; anda sidewall extending from the bottom plate to form a receiving space with the bottom plate, wherein the optical member is received in the receiving space; anda combining member including: a first frame;a second frame protruding upwards from the first frame;a third frame protruding from an inner surface of the second frame to partially overlap with an upper surface of the first frame to thereby define a first space between an upper surface of the first frame and a lower surface of the third frame, wherein the optical member is received in the first space and wherein the third frame partially covers the optical member disposed in the first space, wherein the first frame of the combining member is substantially planar, the optical member is substantially planar and parallel to the first frame, and the second frame protrudes in a direction normal to the planes of the first frame and the optical member; anda fourth frame protruding from an outer surface of the second frame and bending downward to be substantially parallel with the second frame to thereby define a second space between the outer surface of the second frame and an inner surface of the fourth frame, wherein the sidewall of the receiving container is received in the second space, wherein the fourth frame includes a recess disposed in an outside wall of the fourth frame substantially parallel with the sidewall of the receiving container and the recess is configured to be combined with the sidewall of the receiving container, and wherein the outer surface of the second frame is opposite to the inner surface of the second frame; anda light source module including a supporting substrate and a plurality of incident light sources disposed on the supporting substrate, wherein the light source module is disposed on a side of the optical member. 20. The display apparatus of claim 19, further comprising a reflective sheet disposed under the optical member in the receiving space of the receiving container. 21. The display apparatus of claim 19, wherein the optical sheet includes a diffusion sheet and a prism sheet disposed on the diffusion sheet. 22. The display apparatus of claim 19, wherein the optical member is a light guide plate and wherein the optical member includes one of poly methacrylate (PMMA) or polycarbonate (PC). 23. The display apparatus of claim 19, wherein the light incident sources are mounted on the supporting substrate of the light source module opposite to the light incident surface of the optical member. 24. The display apparatus of claim 23, wherein the light incident sources include light emitting diodes (LEDs). 25. The display apparatus of claim 24, wherein the light incident sources include at least one red LED emitting a red light, at least one green LED light emitting a green light, and at least one blue LED emitting a blue light. 26. The display apparatus of claim 19, wherein the fourth frame protruding from the outer surface of the second frame bends in an L-shape. 27. The display apparatus of claim 19, wherein an upper surface of the third frame and an upper surface of the second frame have different heights from each other. 28. The display apparatus of claim 19, wherein the sidewall of the receiving container is concavely disposed toward the receiving space, and is disposed in the second space located between the outer surface of the second frame and the inner surface of the fourth frame, wherein the sidewall of the receiving container bends as thick as the outside wall of the fourth frame and wherein the fourth frame of the combining member covers a bent part of the sidewall of the receiving container.
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이 특허에 인용된 특허 (5)
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