KR950007713Y1 - Liguid crystal display module - Google Patents
Liguid crystal display module Download PDFInfo
- Publication number
- KR950007713Y1 KR950007713Y1 KR92016746U KR920016746U KR950007713Y1 KR 950007713 Y1 KR950007713 Y1 KR 950007713Y1 KR 92016746 U KR92016746 U KR 92016746U KR 920016746 U KR920016746 U KR 920016746U KR 950007713 Y1 KR950007713 Y1 KR 950007713Y1
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- South Korea
- Prior art keywords
- crystal display
- liquid crystal
- display module
- led
- led backlight
- Prior art date
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
내용 없음.No content.
Description
제1도는 일반적인 액정표시모듈의 구성을 보인 분해 사시도.1 is an exploded perspective view showing the configuration of a general liquid crystal display module.
제2도는 일반적인 액정표시소자의 온도 의존특성을 보인 도표.2 is a table showing temperature dependent characteristics of a general liquid crystal display device.
제3도는 본 고안에 의한 액정표시모듈의 구성을 보인 분해 사시도.3 is an exploded perspective view showing the configuration of a liquid crystal display module according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 액정표시소자 2 : 인쇄회로기판1 liquid crystal display 2 printed circuit board
3 : LED백라이트 7 : 열확산판3: LED backlight 7: Thermal diffuser
본 고안의 액정표시모듈에 관한 것으로, 특히 LED 백라이트의 일측면에 각 주변부를 감싸는 열확산판을 부착고정하여, LED의 열이 도광판의 각 변으로 확산되도록 함으로써 액정표시소자의 백컬러를 균일하게 하고, 화면의 품질을 향상시킬 수 있게 한 액정표시모듈에 관한 것이다.The present invention relates to a liquid crystal display module, and in particular, by attaching and fixing a thermal diffusion plate surrounding each peripheral portion on one side of the LED backlight, the heat of the LED is diffused to each side of the light guide plate to make the back color of the liquid crystal display element uniform. The present invention relates to a liquid crystal display module capable of improving the quality of a screen.
일반적으로 액정표시모듈은 저전압, 저소비전력, 그리고 경량 박형이라는 장점을 가진 화면 표시소자로서, 그 전형적인 일예를 첨부 도면에 의하여 설명하면 다음과 같다. 제1도에 도시한 바와 같이, 표시 화면 역할을 하는 액정표시소자(1)와, 표시 데이터를 처리하기 위한 회로부가 구성된 인쇄회로기판(PCB)(2)과, 조명 장치의 역할을 하는 LED 백라이트(Light Emitted Diode back-light)(3)로 구성된다.Generally, a liquid crystal display module is a screen display device having advantages of low voltage, low power consumption, and light weight, and a typical example thereof will be described with reference to the accompanying drawings. As shown in FIG. 1, a liquid crystal display device 1 serving as a display screen, a printed circuit board (PCB) 2 including a circuit portion for processing display data, and an LED backlight serving as a lighting device. (Light Emitted Diode back-light) (3).
상기 LED 백라이트(3)는 도광판(4)의 한쪽면에 해당되는 LED 발열변(5)에는 수개의 LED(6)가 일정간격을 두고 배열되어 있다.In the LED backlight 3, several LEDs 6 are arranged at predetermined intervals on the LED heating side 5 corresponding to one side of the light guide plate 4.
이와 같이 구성되는 일반적인 액정표시모듈은, 외부에서 공급되는 데이터 신호가 인쇄회로기판(2)에서 처리되어 액정표시소자(1)로 전달되며, LED 백라이트(3)는 액정표시소자(1)의 배면에서 빛을 공급하여, 그 빛이 액정표시소자(1)에 투과되도록 함으로써 표현하고자 하는 정보가 사람의 눈으로 인식되는 것이다.In the general liquid crystal display module configured as described above, a data signal supplied from the outside is processed by the printed circuit board 2 and transferred to the liquid crystal display device 1, and the LED backlight 3 is a rear surface of the liquid crystal display device 1. By supplying light from the light, the light is transmitted to the liquid crystal display device 1 so that the information to be expressed is recognized by the human eye.
그러나, 상기한 바와 같은 일반적인 액정표시모듈을 구성하는 LED 백라이트(3)에 있어서는, LED(6)가 LED백라이트(3)의 도광판(4)의 LED 발열변(5)에 일열로 배열된 형태를 취하고 있으므로 LED(6)가 배열된 부분의 액정표시소자(1) 부분과, 그 외의 부분과는 온도 차이가 발생하게 되므로서 온도 의존성을 갖는 액정표시소자(1)의 백컬러(back-color)를 불균일하게 하는 원인이 되며, 따라서 화면의 품질을 저하시키는 등의 문제점이 있었다.However, in the LED backlight 3 constituting the general liquid crystal display module as described above, the LED 6 is arranged in a row on the LED heating side 5 of the light guide plate 4 of the LED backlight 3. As a result, a temperature difference occurs between the liquid crystal display element 1 portion and the other portion of the portion where the LEDs 6 are arranged, and thus the back-color of the liquid crystal display element 1 having temperature dependence. This causes a non-uniformity, and thus has a problem such as degrading the quality of the screen.
참고로 제2도는 액정표시소자(2)의 온도 의존 특성을 나타낸 도표로서, 온도가 높아질수록 액정표시소자(1)의 구동전압(VOP)이 하강하는 특성이 있다.For reference, FIG. 2 is a diagram illustrating a temperature dependent characteristic of the liquid crystal display 2, and the driving voltage V OP of the liquid crystal display 1 decreases as the temperature increases.
본 고안의 목적은 액정표시소자의 백컬러를 균일하게 하고, 화면의 품질을 향상시킬 수 있도록 한 액정표시 모듈을 제공함에 있다.It is an object of the present invention to provide a liquid crystal display module which makes the back color of the liquid crystal display device uniform and improves the screen quality.
상기한 바와 같은 본 고안의 목적을 달성하기 위하여, 액정표시소자와 회로기판 및 LED 백라이트로 구성되는 액정표시모듈에 있어서, LED의 열확산을 위해 상기 LED 백라이트의 일측면에 열확산판이 설치되어 구성됨을 특징으로 하는 액정표시모듈이 제공된다.In order to achieve the object of the present invention as described above, in the liquid crystal display module consisting of a liquid crystal display device, a circuit board and an LED backlight, a heat diffusion plate is installed on one side of the LED backlight for thermal diffusion of the LED A liquid crystal display module is provided.
이하, 본 관에 의한 액정표시모듈을 첨부 도면에 도시한 실시예에 따라서 설명하면 다음과 같다.Hereinafter, the liquid crystal display module according to the present invention will be described according to the embodiment shown in the accompanying drawings.
제3도는 본 고안에 의한 액정표시모듈의 구성을 보인 분해 사시도로서, 이에 도시한 바와 같이, 표시 화면 역할을 하는 액정표시소자(1)와, 표시 데이터를 처리하기 위한 회로부가 구성된 인쇄회로기판(2)과, 조명 장치의 역할을 하는 LED 백라이트(3)로 구성되는 통상적인 액정표시모듈에 있어서, 상기 LED 백라이트(3)의 일측면에 각 주변부를 감싸는 열확산판(7)을 부착고정하여 구성한 것이다.3 is an exploded perspective view showing the configuration of the liquid crystal display module according to the present invention, as shown in the figure, a printed circuit board comprising a liquid crystal display element 1 serving as a display screen and a circuit unit for processing display data ( 2) and a conventional liquid crystal display module composed of an LED backlight (3) serving as a lighting device, wherein the heat diffusion plate (7) surrounding each peripheral portion is fixed to one side of the LED backlight (3). will be.
상기 열확산판(7)은 내부에 LED 백라이트(3)의 발광유효면적(3a)이 노출되도록 통공(7a)이 형성되어 있다. 상기 열확산판(7)은 열전도성이 양호한 Al재질로 형성하는 것이 바람직하다. 그러나, 꼭 Al에만 한정하는 것은 아닌 것이며, 열전도성이 양호하고 액정표시모듈의 특성을 저하시키지 않는 재질이라면 어떠한 것을 사용하여도 무방하다.The heat diffusion plate 7 has a through hole 7a formed therein so that the effective light emitting area 3a of the LED backlight 3 is exposed. The thermal diffusion plate 7 is preferably formed of Al material having good thermal conductivity. However, the material is not limited to Al alone, and any material may be used as long as the material has good thermal conductivity and does not deteriorate the characteristics of the liquid crystal display module.
도면중 종래의 기술구성과 동일한 부분에 대하여는 동일 부호를 부여하였다.In the drawings, the same reference numerals are given to the same parts as the prior art configurations.
이와 같이 구성되는 본 고안에 의한 액정표시모듈은, 외부에서 공급되는 데이터 신호가 인쇄회로기판(2)에서 처리되어 액정표시소자(1)로 전달되며, LED 백라이트(3)는 액정표시소자(1)의 배면에서 빛을 공급하여, 그 빛이 액정표시소자(1)에 투과되도록 함으로써 표현하고자 하는 정보가 사람의 눈으로 인식되는 것이다.In the liquid crystal display module according to the present invention configured as described above, a data signal supplied from the outside is processed by the printed circuit board 2 and transferred to the liquid crystal display device 1, and the LED backlight 3 is a liquid crystal display device 1. The information to be expressed is recognized by the human eye by supplying light from the rear surface of the circumstance) and allowing the light to pass through the liquid crystal display device 1.
이때, LED(6)에서 발생되는 열은 LED(6)가 위치한 도광판(4)의 LED 발열변(5)에만 머물러 있지 않고 열확산판(7)을 따라 나머지 3변으로 골고루 분산됨으로써 액정표시소자(1)에 미치는 온도의 차이를 줄일 수 있는 것이다.At this time, the heat generated from the LED (6) is not remaining only in the LED heating side (5) of the light guide plate (4) where the LED (6) is located, it is evenly distributed along the heat diffusion plate (7) to the remaining three sides of the liquid crystal display device ( It is possible to reduce the difference in temperature on 1).
이상에서 설명한 바와 같이, 보냈 고안에 의한 액정표시모듈은, LED 백라이트의 일측면에 각 주변부를 감싸는 열확산판을 부착고정하여, LED의 열이 도광판의 각 변으로 확산되도록 함으로서 액정표시소자에 가해지는 열이 보다 균일한 분포를 구현할 수 있는 것이며, 이에 따라 액정표시소자의 백컬러를 균일하게 하고, 화면의 품질을 향상시키는 등의 효과가 있다.As described above, the liquid crystal display module according to the present invention is applied to the liquid crystal display by attaching and fixing a thermal diffusion plate surrounding each peripheral portion on one side of the LED backlight, so that the heat of the LED is diffused to each side of the light guide plate. The heat may be more uniformly distributed, and thus, the back color of the liquid crystal display may be uniform, and the screen quality may be improved.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92016746U KR950007713Y1 (en) | 1992-09-03 | 1992-09-03 | Liguid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR92016746U KR950007713Y1 (en) | 1992-09-03 | 1992-09-03 | Liguid crystal display module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940008321U KR940008321U (en) | 1994-04-18 |
| KR950007713Y1 true KR950007713Y1 (en) | 1995-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR92016746U KR950007713Y1 (en) | 1992-09-03 | 1992-09-03 | Liguid crystal display module |
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| Country | Link |
|---|---|
| KR (1) | KR950007713Y1 (en) |
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1992
- 1992-09-03 KR KR92016746U patent/KR950007713Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR940008321U (en) | 1994-04-18 |
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