KR200162516Y1 - Backlight - Google Patents
Backlight Download PDFInfo
- Publication number
- KR200162516Y1 KR200162516Y1 KR2019940008256U KR19940008256U KR200162516Y1 KR 200162516 Y1 KR200162516 Y1 KR 200162516Y1 KR 2019940008256 U KR2019940008256 U KR 2019940008256U KR 19940008256 U KR19940008256 U KR 19940008256U KR 200162516 Y1 KR200162516 Y1 KR 200162516Y1
- Authority
- KR
- South Korea
- Prior art keywords
- lamp
- light guide
- guide plate
- plate
- reflector
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/007—Incandescent lamp or gas discharge lamp
Abstract
본 고안은 액정표시소자의 백 라이트에 관한 것으로, 램프와 반사판이 내부에 삽입되는 램프 삽입부를 갖는 도광판과, 상기 도광판의 램프 삽입부에 형성되어 램프와 반사판이 일정 간격을 유지하도록 지지하는 간격 유지수단으로 구성되어 있으며, 간격 유지수단이 상기 램프 삽입부의 내주면에 돌출형성된 램프 고정돌기로 되어 램프를 금속 하우징 등으로 고정하지 않고, 도광판을 사출 성형할 때 램프와 반사경이 삽입될 수 있는 램프 삽입부를 형성함으로써 램프와 반사경을 도광판에 결합할 때에 간단 용이하게 결합할 수 있으며, 램프 고정구조가 도광판에 일체형으로 형성되어 있으므로 견고하고, 또한 램프와 반사판간의 간격을 일정하게 유지할 수 있으므로 광효율을 높일 수 있게 되는 이점이 있다.The present invention relates to a backlight of a liquid crystal display device, comprising: a light guide plate having a lamp insertion portion into which a lamp and a reflecting plate are inserted, and a gap formed at the lamp insertion portion of the light guide plate to support the lamp and the reflecting plate at a predetermined interval; It is composed of a means, and the gap holding means is a lamp fixing projection protruding on the inner peripheral surface of the lamp insert portion, the lamp insertion portion into which the lamp and the reflector can be inserted when injection molding the light guide plate without fixing the lamp with a metal housing or the like. When the lamp and the reflector are combined with the light guide plate, the lamp and reflector can be easily and easily combined. Since the lamp fixing structure is formed integrally with the light guide plate, it is robust and the distance between the lamp and the reflector can be kept constant. There is an advantage.
Description
제1도는 종래 액정표시소자 백 라이트의 단면도.1 is a cross-sectional view of a conventional liquid crystal display backlight.
제2도는 본 고안에 의한 액정표시소자 백 라이트의 단면도.2 is a cross-sectional view of a liquid crystal display device backlight according to the present invention.
제3도는 본 고안에 의한 백 라이트에 사용되는 도광판의 사시도.3 is a perspective view of a light guide plate used in the backlight according to the present invention.
제4도는 제2도의 A부 확대도.4 is an enlarged view of a portion A of FIG.
〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>
11 : 도광판 12 : 반사판11: light guide plate 12: reflector plate
13 : 램프 14 : 반사판13: lamp 14: reflector
15 : 확산판 16 : 집광판15 diffuser 16: light collecting plate
본 고안은 액정표시소자의 백 라이트(back light)에 관한 것으로, 특히 램프(lamp)와 반사판을 간단 용이하게 결합하고, 광효율을 향상시킬 수 있도록 한 액정표시소자의 백 라이트에 관한 것이다.The present invention relates to a back light of a liquid crystal display device, and more particularly, to a backlight of a liquid crystal display device capable of easily combining a lamp and a reflecting plate and improving light efficiency.
종래 액정표시소자의 백 라이트는 제1도에 도시한 바와 같이, 아크릴 등 광을 도광할 수 있는 판을 적용하고자 하는 티에프티 엘씨디(TFT LCD : Thin Film Transister Liquid Crystal Display) 모듈의 화면의 활성영역(active area)만큼을 잘라서 이를 도광판(1)으로 사용하고, 이 도광판(1)의 하부에 광을 반사할 수 있는 반사판(2)을 양면 테이프 등을 이용하여 부착한다. 또 2등식(2登式)의 경우에는 2개의 램프(3)를 좌우 양측에 각각 설치하고, 1등식인 경우에는 1개의 램프만 좌 또는 우측 어느 일측에 설치하며, 상기 램프(3) 주위에 램프(3)의 광을 도광판(1)쪽으로 집중시킬 수 있는 반사판(4)을 설치한다. 그리고, 램프(3)의 광이 도광판(1)을 통하고 반사판(2)에서 반사된 광을 균일하게 엘씨디 모듈에 전달하기 위한 확산판(5)을 설치함과 아울러 휘도 향상을 위한 집광판(6)을 확산판(5)위에 설치하며, 램프(3)의 고정은 금속 하우징(7)을 이용하여 도광판(1)에 고정시킨다.As shown in FIG. 1, the backlight of the conventional LCD is an active area of a screen of a TFT LCD (TFT LCD) module to which a plate capable of guiding light such as acrylic is applied. It cuts by the (active area) and uses it as a light guide plate 1, and attaches the reflecting plate 2 which can reflect light to the lower part of this light guide plate 1 using a double-sided tape. In the case of two lamps, two lamps 3 are installed on both the left and right sides, and in the case of the first lamp, only one lamp is installed on either the left or the right side, and around the lamp 3 The reflecting plate 4 which can concentrate the light of the lamp 3 to the light guide plate 1 is provided. In addition, a diffuser plate 5 for uniformly transmitting the light of the lamp 3 through the light guide plate 1 and reflected from the reflector plate 2 to the LCD module is provided, and a light collecting plate 6 for improving luminance is provided. ) Is installed on the diffuser plate 5, and the fixing of the lamp 3 is fixed to the light guide plate 1 using the metal housing 7.
그러나 상기한 바와 같은 종래의 백 라이트는 램프(3)를 도광판(1)에 고정시키기 위해서는 금속 하우징(7)을 이용하여야 하고, 이때 램프(3)의 중심과 도광판(1)의중심을 일치시켜야 하는데 금속 하우징(7)을 이용할 경우에는 정확도가 떨어질 뿐만 아니라 작업성이 떨어지는 경향이 있으며, 또한 램프(3)를 별도의 구조물을 이용하여 고정시키기 때문에 불안정하고, 램프(3)의 주변에 있는 반사판(4)을 램프(3)와 일정한 거리를 유지시키기 어렵게 되는 결합이 있었다.However, in the conventional backlight as described above, the metal housing 7 must be used to fix the lamp 3 to the light guide plate 1, and the center of the lamp 3 and the center of the light guide plate 1 must be aligned. However, when the metal housing 7 is used, not only the accuracy is lowered, but also the workability tends to be inferior, and because the lamp 3 is fixed using a separate structure, it is unstable, and the reflecting plate around the lamp 3 is used. There was a combination of making it difficult to keep (4) a constant distance from the lamp (3).
본 고안은 상기한 바와 같은 종래의 결함을 해소하기 위하여 안출한 것으로 램프와 반사판을 간단 용이하게 결합될 수 있고, 광효율을 향상할 수 있는 액정표시소자의 백 라이트를 제공하기 위한 것이다.The present invention is to provide a backlight of the liquid crystal display device that can be easily combined with the lamp and the reflecting plate can be easily to solve the conventional defects as described above, and can improve the light efficiency.
이러한 목적을 갖는 본 고안은 램프와 반사판이 내부에 삽입되는 램프 삽입부를 갖는 도광판과, 상기 도광판의 램프 삽입부에 형성되어 램프와 반사판이 일정 간격을 유지하도록 지지하는 간격 유지수단으로 구성됨을 특징으로 하는 액정표시소자의 백 라이트를 제공한다.The present invention having this purpose is characterized in that it comprises a light guide plate having a lamp insertion portion is inserted into the lamp and the reflecting plate, and the interval holding means is formed in the lamp insertion portion of the light guide plate to support the lamp and the reflecting plate to maintain a constant distance A backlight of a liquid crystal display device is provided.
상기 간격 유지수단은 상기 램프 삽입부의 내주면에 돌출형성된 램프 고정돌기로 구성된다.The gap maintaining means includes a lamp fixing protrusion protruding from the inner circumferential surface of the lamp insert.
이하, 이러한 본 고안의 실시례를 첨부 도면에 의하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
제2도는 본 고안에 의한 백 라이트의 단면도이고, 제3도는 본 고안에 사용되는 도광판의 사시도이며, 제4도는 제2도의 A부 확대도로서, 이에 도시한 바와 같이, 도광판(11)의 양단부에 램프 삽입부(11a)가 형성되고, 상기 도광판(11)에 반사판(12)이 부착되어 있으며, 상기 도광판(11)의 양단 램프 삽입부(11a)에 램프(13)가 삽입됨과 아울러 반사판(14)이 삽입되고, 상기 도광판(11)의 티에프티 엘씨디 모듈측에 상기 반사판(14)에서 반사된 광을 균일하게 티에프티 엘씨디 모듈에 전달하기 위한 확산판(15)이 설치됨과 아울러 확산판(15)위에 휘도 향상을 위한 집광판(16)이 부착된 구성으로 되어 있다.FIG. 2 is a cross-sectional view of the backlight according to the present invention, and FIG. 3 is a perspective view of the light guide plate used in the present invention, and FIG. 4 is an enlarged view of a portion A of FIG. 2, and as shown therein, both ends of the light guide plate 11 are shown. The lamp inserting portion 11a is formed in the light guide plate, and the reflecting plate 12 is attached to the light guide plate 11, and the lamp 13 is inserted into the lamp inserting portion 11a at both ends of the light guide plate 11. 14 is inserted, the diffusion plate 15 for uniformly transmitting the light reflected from the reflecting plate 14 to the TFT LCD module side of the light guide plate 11 and the diffusion plate ( 15) the condensing plate 16 for improving the brightness is attached.
그리고 상기 반사판(12)에는 상기 도광판(11)의 램프 삽입부(11a)를 감싸도록 양단 원호형 절곡부(12a)가 형성되어 있다.In addition, an arc-shaped bent portion 12a at both ends is formed in the reflective plate 12 to surround the lamp insertion portion 11a of the light guide plate 11.
상기한 바와 같은 본 고안은 최초 도광판(11)을 제작할 때 사출 성형을 통해 적용할 램프(13)를 고려하여 램프(13)와 반사판(14)이 일정한 거리를 유지할 수 있도록 제3도와 같이 양단부에 램프 삽입부(11a)를 갖도록 형성하고, 도광판(11)의 양측 램프 삽입부(11a)에 램프(13)를 고정시키는 고정돌기(11b)를 제4도와 같이 형성하여 램프(13)와 반사판(14)를 상기 램프 삽입부(11a)의 내부에 삽입하여 결합한다.The present invention as described above, in consideration of the lamp 13 to be applied through injection molding when manufacturing the first light guide plate 11, so that the lamp 13 and the reflecting plate 14 can be maintained at a constant distance as shown in FIG. It is formed to have a lamp insertion portion (11a), and fixing projections (11b) for fixing the lamp 13 to the lamp insertion portion (11a) of the light guide plate 11 is formed as shown in FIG. 14) is inserted into the lamp insertion portion (11a) and coupled.
상기한 바와 같은 본 고안은 램프를 금속 하우징 등으로 고정하지 않고, 도광판을 사출 성형할 때 램프를 장착할 수 있도록 램프와 반사판이 삽입될 수 있는 램프 삽입부를 형성함으로써 램프를 도광판에 결합할 때에 간단 용이하게 결합할 수 있으며, 램프 고정구조가 도광판에 일체형으로 형성되어 있으므로 견고하고, 또한 램프와 반사판간의 간격을 일정하게 유지할 수 있으므로 광효율을 높일 수 있게 되는 이점이 있다.The present invention as described above is simple when coupling the lamp to the light guide plate by forming a lamp insert portion into which the lamp and the reflector can be inserted so that the lamp can be mounted when injection molding the light guide plate without fixing the lamp with a metal housing or the like. It can be easily coupled, and since the lamp fixing structure is formed integrally with the light guide plate, it is robust, and the distance between the lamp and the reflecting plate can be kept constant, thereby increasing the light efficiency.
이상에서 설명한 바와 같이 본 고안은 에지 라이트(edge light)형 백 라이트의 램프 고정작업을 매우 간편하게 행할 수 있는 것으로서, 티에프티 엘씨디 티이브이(TV), 또는 모니터(monitor) 등의 백 라이트에 유리하게 적용할 수 있다.As described above, the present invention can easily fix the lamp of an edge light type backlight, and is advantageous for a backlight such as a TFT LCD TV or a monitor. Applicable
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940008256U KR200162516Y1 (en) | 1994-04-19 | 1994-04-19 | Backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940008256U KR200162516Y1 (en) | 1994-04-19 | 1994-04-19 | Backlight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950031195U KR950031195U (en) | 1995-11-22 |
| KR200162516Y1 true KR200162516Y1 (en) | 1999-12-15 |
Family
ID=19381333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019940008256U KR200162516Y1 (en) | 1994-04-19 | 1994-04-19 | Backlight |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR200162516Y1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100455364B1 (en) * | 1995-12-29 | 2005-04-06 | 삼성전자주식회사 | Backlight of the liquid crystal display with color adjustment |
| KR970075989A (en) * | 1996-05-22 | 1997-12-10 | 김광호 | Backlight for LCD |
| KR100620758B1 (en) * | 1999-08-27 | 2006-09-06 | 삼성전자주식회사 | Member for fixing lamp, lamp assembly having the same, back light assembly having the lamp assembly, and display device having the back light assembly |
| KR100617023B1 (en) * | 2000-07-20 | 2006-08-29 | 엘지.필립스 엘시디 주식회사 | backlight assembly of LCD |
-
1994
- 1994-04-19 KR KR2019940008256U patent/KR200162516Y1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR950031195U (en) | 1995-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20010048850A (en) | Fixing guide for optical sheet of backlight assemble | |
| US7503685B2 (en) | Illumination unit and liquid crystal display device using the same | |
| JP3169895B2 (en) | Backlight device and liquid crystal display device using the same | |
| KR200162516Y1 (en) | Backlight | |
| KR100716852B1 (en) | Sheet-like light source device | |
| US5546203A (en) | Liquid crystal display having a frame which does not transmit light source heat to the display | |
| JPH07287228A (en) | Backlight | |
| KR100229614B1 (en) | Liquid crystal display | |
| CN1371021A (en) | Back lighting device of LCD | |
| WO2019184412A1 (en) | Backlight module and liquid crystal display device | |
| KR20050067858A (en) | Backlight unit | |
| US20050122444A1 (en) | Reflector of backlight assembly for liquid crystal display device | |
| KR20000014956A (en) | Back light assembly of liquid crystal display device | |
| CN113687539A (en) | Backlight module and display terminal | |
| KR19990008719A (en) | LCD Display | |
| JP2001076526A (en) | Surface light source device | |
| KR100248012B1 (en) | Structure for fixing scrambler of projector | |
| KR100970262B1 (en) | Direct type backlight unit | |
| JP2917503B2 (en) | Liquid crystal display | |
| US20050190317A1 (en) | Liquid crystal display device and backlight module thereof and light assembly of backlight module | |
| KR200200890Y1 (en) | Plane optical device | |
| KR100499155B1 (en) | Backlight Assembly of Liquid Crystal Display | |
| KR19980083333A (en) | Backlight Assembly Structure of LCD | |
| KR100930913B1 (en) | Backlight unit | |
| KR0127885Y1 (en) | Illumination system of liquid crystal module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E701 | Decision to grant or registration of patent right | ||
| N231 | Notification of change of applicant | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 20080701 Year of fee payment: 10 |
|
| EXPY | Expiration of term |