KR100733483B1 - Structure for Mounting LCD - Google Patents

Structure for Mounting LCD Download PDF

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Publication number
KR100733483B1
KR100733483B1 KR1020050118870A KR20050118870A KR100733483B1 KR 100733483 B1 KR100733483 B1 KR 100733483B1 KR 1020050118870 A KR1020050118870 A KR 1020050118870A KR 20050118870 A KR20050118870 A KR 20050118870A KR 100733483 B1 KR100733483 B1 KR 100733483B1
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South Korea
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light
lcd panel
light source
guide plate
liquid crystal
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KR1020050118870A
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Korean (ko)
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KR20070059702A (en
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이재원
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웅진쿠첸 주식회사
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Priority to KR1020050118870A priority Critical patent/KR100733483B1/en
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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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02B6/003—Lens or lenticular 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)

Abstract

본 발명은 액정표시장치의 고정구조에 관한 것으로, 각종 정보가 시각적으로 표시되는 수광소자인 LCD패널; 상기 LCD패널에 빛을 제공하는 광원; 상기 광원에서 발산되는 빛을 상기 LCD패널의 표면 방향으로 반사시키는 반사시트; 상기 광원에서 발산되는 빛을 상기 LCD패널 전체 면에 균일하게 전달하는 렌즈인 도광판; 상기 도광판을 통해 입사되는 빛을 확산 및 산란시켜 상기 LCD패널의 휘도를 균일하게 하는 확산시트; 상기 반사시트, 도광판 및 확산시트가 순차적으로 적층되어 바닥면의 일측에 밀착된 상태로 걸림턱에 끼워져 고정되고, 상기 바닥면의 타측에는 상기 광원이 설치된 광원기판을 수용하는 고정가이드; 및 상기 고정가이드의 일측에 결합되며, 상기 반사시트, 도광판 및 확산시트 조립체의 상부면 일측을 지지하는 캡을 포함하여 이루어지며, 상기 확산시트 상부면에 상기 LCD패널이 적층되어, 액정표시장치의 설치작업을 용이하게 하는 동시에, 액정표시장치를 가전기기에 견고하게 고정할 수 있도록 된 것이다.The present invention relates to a fixed structure of a liquid crystal display device, comprising: an LCD panel which is a light receiving element for displaying various kinds of information visually; A light source providing light to the LCD panel; A reflection sheet reflecting light emitted from the light source toward the surface of the LCD panel; A light guide plate which is a lens that uniformly transmits the light emitted from the light source to the entire surface of the LCD panel; A diffusion sheet which diffuses and scatters light incident through the light guide plate to make the luminance of the LCD panel uniform; A fixing guide configured to sequentially stack the reflective sheet, the light guide plate, and the diffusion sheet to be fitted to the locking jaw while being in close contact with one side of the bottom surface, and to accommodate the light source substrate on which the light source is installed on the other side of the bottom surface; And a cap coupled to one side of the fixing guide, the cap supporting one side of an upper surface of the reflective sheet, the light guide plate, and the diffusion sheet assembly, wherein the LCD panel is stacked on the upper surface of the diffusion sheet, At the same time to facilitate the installation work, it is possible to firmly fix the liquid crystal display device to home appliances.

액정표시장치, 고정가이드, 캡, LCD패널, 반사시트, 도광판, 확산시트 LCD, Fixing Guide, Cap, LCD Panel, Reflective Sheet, Light Guide Plate, Diffusion Sheet

Description

액정표시장치의 고정구조{Structure for Mounting LCD}Structure for Mounting LCD

도 1은 본 발명에 따른 액정표시장치의 사시도,1 is a perspective view of a liquid crystal display device according to the present invention;

도 2는 본 발명에 따른 액정표시장치의 분해 사시도,2 is an exploded perspective view of a liquid crystal display device according to the present invention;

도 3은 본 발명의 요부인 캡의 정면도,3 is a front view of a cap which is a main part of the present invention;

도 4는 본 발명에 따른 액정표시장치의 단면도,4 is a cross-sectional view of a liquid crystal display device according to the present invention;

도 5는 본 발명의 일실시예에 따라 액정표시장치가 내설된 전기압력밥솥의 정면도이다.5 is a front view of an electric pressure cooker with a liquid crystal display according to an embodiment of the present invention.

- 도면의 주요부분에 대한 부호의 설명 --Explanation of symbols for the main parts of the drawings-

100 : 액정표시장치 110 : 고정가이드100: liquid crystal display 110: fixed guide

111 : 바닥면 112 : 단턱111: bottom 112: step

113 : 관통홀 114 : 고정돌기113: through hole 114: fixing protrusion

115 : 결합돌기 116 : 측벽115: coupling protrusion 116: side wall

117 : 걸림턱 120 : 캡117: Jam Jaw 120: Cap

121 : 결합홈 122 : 지지돌기121: coupling groove 122: support protrusion

123 : 누름돌기 124 : 지지면123: push projection 124: support surface

130 : 반사시트 140 : 도광판130: reflective sheet 140: light guide plate

150 : 확산시트 160 : 광원기판150: diffusion sheet 160: light source substrate

161 : 광원 162 : 전극161: light source 162: electrode

170 : LCD패널 200 : 전기압력밥솥170: LCD panel 200: electric pressure cooker

본 발명은 액정표시장치에 관한 것으로, 더욱 자세하게는 전기압력밥솥 등의 가전기기에 구비되는 액정표시장치를 모듈화하여 설치작업을 용이하게 하는 동시에, 액정표시장치를 가전기기에 견고하게 고정할 수 있도록 된 액정표시장치의 고정구조에 관한 것이다.The present invention relates to a liquid crystal display device, and more particularly, to modularize the liquid crystal display device provided in home appliances such as an electric pressure cooker to facilitate the installation work, and to securely fix the liquid crystal display device to the home appliance. It relates to a fixed structure of the liquid crystal display device.

일반적으로, 전기압력밥솥 등의 가전기기에는 작동 상태 및 각종 정보를 시각적으로 표시하기 위해 액정표시장치가 구비된다.In general, home appliances such as an electric pressure cooker are provided with a liquid crystal display device to visually display the operation state and various information.

이러한 액정표시장치에 사용되는 LCD패널은 전압을 가하면 분자의 배열이 변하는 성질을 이용하는 것으로, 상기 LCD패널은 자체적으로는 빛을 발하지 못하는 수광소자이므로 정보 표시면에 빛을 균일하게 조사할 수 있는 백라이트 유니트(Back-Light Unit)가 필요하게 된다.The LCD panel used in the liquid crystal display uses a property in which the arrangement of molecules changes when a voltage is applied. Since the LCD panel is a light-receiving element that does not emit light by itself, a backlight capable of uniformly irradiating light onto the information display surface is provided. You will need a back-light unit.

전술한 백라이트 유니트는 LCD패널 전체에 빛을 고르게 전달하는 역할을 수행하며, 선광원에서 나온 빛을 밝기가 균일한 평면광으로 만드는 구조를 갖는데, 이 백라이트 유니트는 크게 도광판(導光板;Light Guide Plate)과 광원으로 구성된다.The above-mentioned backlight unit serves to evenly transmit light to the entire LCD panel, and has a structure that makes the light emitted from the line light source into flat light with uniform brightness, and the backlight unit is largely a light guide plate. ) And the light source.

상기 광원은 도광판 측면에서 빛을 도광판 내로 입사하도록 배치되고, 상기 도광판은 백라이트 유니트의 휘도와 균일한 조명 기능을 수행하는 부품으로 액정표시장치 내에서 빛을 액정에 인도하는 아크릴 사출물을 말하며, 광원에서 발산되는 빛을 LCD패널 전체 면에 균일하게 전달하는 역할을 하는 플라스틱 성형 렌즈의 하나이다.The light source is disposed to inject light into the light guide plate from the side of the light guide plate, and the light guide plate is a component that performs the brightness and uniform illumination function of the backlight unit and refers to an acrylic injection product that guides the light to the liquid crystal in the liquid crystal display device. It is one of the plastic molded lenses that uniformly transmits the emitted light to the entire LCD panel.

그리고, 전술한 선광원을 평면광으로 변환하기 위해서 광기능성 시트(Sheet)인 반사시트, 확산시트 등이 구비된다.In order to convert the above-mentioned linear light source into planar light, a reflective sheet, a diffusion sheet, and the like, which are optical functional sheets, are provided.

하지만, 종래에는 백라이트 유니트를 구성하는 각각의 부품들(LCD패널, 도광판, 반사시트, 확산시트 등)을 단순히 양면 테이프 등을 이용하여 부착하여 왔기 때문에 작업시간이 오래 걸리고, 사용 과정에서 백라이트 유니트의 간격이 벌어져 액정표시장치의 기능이 제대로 발휘되지 못하는 문제점이 있었다.However, conventionally, since the components (LCD panel, light guide plate, reflective sheet, diffusion sheet, etc.) constituting the backlight unit have been attached by simply using a double-sided tape or the like, it takes a long time and takes a long time. There was a problem that the gap between the liquid crystal display device is not properly exhibited.

이에 본 발명은 상기와 같은 문제점을 해결하기 위해 창출된 것으로, 전기압력밥솥 등의 가전기기에 구비되는 액정표시장치를 모듈화하여 설치작업을 용이하게 하는 동시에, 액정표시장치를 가전기기에 견고하게 고정할 수 있는 액정표시장치의 고정구조를 제공하는데 그 목적이 있다.Accordingly, the present invention has been created to solve the above problems, and facilitates the installation work by modularizing the liquid crystal display device provided in home appliances such as an electric pressure cooker, and firmly fixing the liquid crystal display device to the home appliance It is an object of the present invention to provide a fixed structure of a liquid crystal display device.

상기와 같은 목적을 달성하기 위한 본 발명은, 각종 정보가 시각적으로 표시되는 수광소자인 LCD패널; 상기 LCD패널에 빛을 제공하는 광원; 상기 광원에서 발산되는 빛을 상기 LCD패널의 표면 방향으로 반사시키는 반사시트; 상기 광원에서 발산되는 빛을 상기 LCD패널 전체 면에 균일하게 전달하는 렌즈인 도광판; 상기 도 광판을 통해 입사되는 빛을 확산 및 산란시켜 상기 LCD패널의 휘도를 균일하게 하는 확산시트; 상기 반사시트, 도광판 및 확산시트가 순차적으로 적층되어 바닥면의 일측에 밀착된 상태로 걸림턱에 끼워져 고정되고, 상기 바닥면의 타측에는 상기 광원이 설치된 광원기판을 수용하는 고정가이드; 및 상기 고정가이드의 일측에 결합되며, 상기 반사시트, 도광판 및 확산시트 조립체의 상부면 일측을 지지하는 캡을 포함하여 이루어지며, 상기 확산시트 상부면에 상기 LCD패널이 적층되어 고정되는 것을 특징으로 한다.The present invention for achieving the above object, the LCD panel which is a light receiving element that various information is displayed visually; A light source providing light to the LCD panel; A reflection sheet reflecting light emitted from the light source toward the surface of the LCD panel; A light guide plate which is a lens that uniformly transmits the light emitted from the light source to the entire surface of the LCD panel; A diffusion sheet which diffuses and scatters light incident through the light guide plate to make the luminance of the LCD panel uniform; A fixing guide configured to sequentially stack the reflective sheet, the light guide plate, and the diffusion sheet to be fitted to the locking jaw while being in close contact with one side of the bottom surface, and to accommodate the light source substrate on which the light source is installed on the other side of the bottom surface; And a cap coupled to one side of the fixing guide, the cap supporting one side of the upper surface of the reflective sheet, the light guide plate, and the diffusion sheet assembly, wherein the LCD panel is laminated and fixed to the upper surface of the diffusion sheet. do.

본 발명에 따르면, 상기 고정가이드의 바닥면 일측에는 관통홀이 형성되고, 상기 고정가이드의 하부면에는 다수의 고정돌기가 형성되며, 일측부에는 다수의 결합돌기가 형성되어, 상기 광원기판의 전극이 상기 관통홀을 통과하는 한편, 상기 캡에는 상기 결합돌기에 대응하는 다수의 결합홈이 형성되어 상기 캡의 결합홈이 상기 고정가이드의 결합돌기와 맞물려 결합되는 것을 특징으로 한다.According to the present invention, a through hole is formed at one side of the bottom surface of the fixing guide, a plurality of fixing protrusions are formed at a lower surface of the fixing guide, and a plurality of coupling protrusions are formed at one side thereof, and the electrode of the light source substrate is formed. While passing through the through hole, the cap is formed with a plurality of coupling grooves corresponding to the coupling protrusion is characterized in that the coupling groove of the cap is engaged with the coupling protrusion of the fixed guide.

또한 본 발명에 따르면, 상기 캡의 내부에는 다수의 지지돌기 및 누름돌기가 형성되고, 상기 지지돌기는 상기 반사시트, 도광판 및 확산시트 조립체의 일측면을 지지하는 한편, 상기 누름돌기는 상기 광원기판의 상부면을 지지하는 것을 특징으로 한다.According to the present invention, a plurality of support protrusions and push protrusions are formed in the cap, and the support protrusions support one side of the reflective sheet, the light guide plate, and the diffusion sheet assembly, and the push protrusions are formed on the upper portion of the light source substrate. It is characterized by supporting the surface.

본 발명의 바람직한 실시예에 따르면, 상기 광원은 발광다이오드일 수 있으며, 상기 액정표시장치는 전기압력밥솥에 내설될 수 있다.According to a preferred embodiment of the present invention, the light source may be a light emitting diode, and the liquid crystal display device may be built in an electric pressure cooker.

이하 본 발명을 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 액정표시장치의 사시도이고, 도 2는 본 발명에 따른 액정표시장치의 분해 사시도이며, 도 3은 본 발명의 요부인 캡의 정면도이고, 도 4는 본 발명에 따른 액정표시장치의 단면도이며, 도 5는 본 발명의 일실시예에 따라 액정표시장치가 내설된 전기압력밥솥의 정면도이다.1 is a perspective view of a liquid crystal display according to the present invention, FIG. 2 is an exploded perspective view of a liquid crystal display according to the present invention, FIG. 3 is a front view of a cap which is a main part of the present invention, and FIG. 4 is a liquid crystal according to the present invention. 5 is a cross-sectional view of a display device, and FIG. 5 is a front view of an electric pressure cooker in which a liquid crystal display device is built according to an embodiment of the present invention.

본 발명에 따르면, 도 2에서 보는 바와 같이, 각종 정보가 시각적으로 표시되는 수광소자인 LCD패널(170)과, 상기 LCD패널(170)에 빛을 제공하는 광원(161)과, 상기 광원(161)에서 발산되는 빛을 상기 LCD패널(170)의 표면 방향으로 반사시키는 반사시트(130)와, 상기 광원(161)에서 발산되는 빛을 상기 LCD패널(170) 전체 면에 균일하게 전달하는 렌즈인 도광판(140)과, 상기 도광판(140)을 통해 입사되는 빛을 확산 및 산란시켜 상기 LCD패널(170)의 휘도를 균일하게 하는 확산시트(150)와, 상기 반사시트(130), 도광판(140), 확산시트(150), LCD패널(170) 및 상기 광원(161)이 설치된 광원기판(160)을 수용하는 고정가이드(110) 및 상기 고정가이드(110)에 결합되는 캡(120)을 포함하는 액정표시장치(100)가 마련된다.According to the present invention, as shown in Figure 2, the LCD panel 170, which is a light-receiving element to display various information visually, a light source 161 for providing light to the LCD panel 170, and the light source 161 Reflective sheet 130 for reflecting the light emitted from the light toward the surface of the LCD panel 170, and the lens to uniformly transmit the light emitted from the light source 161 to the entire surface of the LCD panel 170 The light guide plate 140, a diffusion sheet 150 that diffuses and scatters the light incident through the light guide plate 140 to make the luminance of the LCD panel 170 uniform, the reflective sheet 130, and the light guide plate 140. ), A diffusion guide 150, an LCD panel 170, and a fixing guide 110 for receiving the light source substrate 160 on which the light source 161 is installed, and a cap 120 coupled to the fixing guide 110. A liquid crystal display device 100 is provided.

도 1 및 도 4에서 보는 바와 같이, 상기 고정가이드(100)의 바닥면(111) 일측에는 순차적으로 적층된 상기 반사시트(130), 도광판(140) 및 확산시트(150)가 밀착된 상태로 걸림턱(117)에 끼워져 고정되고, 상기 고정가이드(100)의 바닥면(111) 타측에는 상기 광원기판(160)이 수용된다.As shown in FIGS. 1 and 4, the reflective sheet 130, the light guide plate 140, and the diffusion sheet 150 sequentially stacked on one side of the bottom surface 111 of the fixing guide 100 are in close contact with each other. The light source substrate 160 is accommodated in the locking jaw 117 and fixed to the other side of the bottom surface 111 of the fixing guide 100.

여기서, 상기 광원기판(160)이 수용되는 고정가이드(110)의 바닥면(111)에는 관통홀(113)을 형성하여 상기 광원기판(160)의 전극(162)이 통과하도록 구성할 수 있으며, 상기 고정가이드(110)의 바닥면(111)에 순차적으로 적층된 상기 반사시트(130), 도광판(140) 및 확산시트(150)의 측면은 고정가이드(110)에 형성된 단턱 (112)에 의해 확실하게 고정된다.Here, a through hole 113 may be formed in the bottom surface 111 of the fixed guide 110 in which the light source substrate 160 is accommodated, and the electrode 162 of the light source substrate 160 may pass therethrough. Side surfaces of the reflective sheet 130, the light guide plate 140, and the diffusion sheet 150 sequentially stacked on the bottom surface 111 of the fixing guide 110 may be formed by the step 112 formed in the fixing guide 110. It is fixed securely.

한편 본 발명에 따르면, 상기 고정가이드(110)의 하부면에는 다수의 고정돌기(114)가 형성되며, 일측부에는 다수의 결합돌기(115)가 형성되는 한편, 상기 캡(120)에는 상기 결합돌기(115)에 대응하는 다수의 결합홈(121)이 형성되어, 상기 캡(120)의 지지면(124)이 고정가이드의 측벽(116)과 맞닿으면서 상기 캡(120)의 결합홈(121)이 상기 고정가이드(110)의 결합돌기(115)와 맞물려 결합되는 구조를 갖는다.Meanwhile, according to the present invention, a plurality of fixing protrusions 114 are formed on the lower surface of the fixing guide 110, and a plurality of coupling protrusions 115 are formed at one side thereof, and the cap 120 has the coupling. A plurality of coupling grooves 121 corresponding to the protrusions 115 are formed, and the support surface 124 of the cap 120 abuts against the side wall 116 of the fixing guide while the coupling grooves of the cap 120 ( 121 has a structure that is engaged with the engaging projection 115 of the fixing guide 110.

그리고, 도 3에서 보는 바와 같이, 상기 캡(120)의 내부에는 다수의 지지돌기(122) 및 누름돌기(123)가 형성되는데, 상기 지지돌기(122)는 상기 반사시트(130), 도광판(140) 및 확산시트(150) 조립체의 일측면을 지지하는 역할을 수행하고, 상기 누름돌기(123)는 상기 광원기판(160)의 상부면을 지지하는 역할을 수행하게 된다.As shown in FIG. 3, a plurality of support protrusions 122 and push protrusions 123 are formed in the cap 120, and the support protrusions 122 are the reflective sheet 130 and the light guide plate. 140) and supports one side of the diffusion sheet 150 assembly, and the push protrusion 123 serves to support the top surface of the light source substrate 160.

따라서, 상기 반사시트(130), 도광판(140), 확산시트(150) 및 광원기판(160)은 상기 고정가이드(110) 및 캡(120)에 의해 확실하게 지지되는 구조를 갖는다.Therefore, the reflective sheet 130, the light guide plate 140, the diffusion sheet 150, and the light source substrate 160 have a structure that is reliably supported by the fixing guide 110 and the cap 120.

그리고, 상기 확산시트(150) 상부면에 상기 LCD패널(170)이 적층되어 고정되며, 상기 LCD패널(170)은 상기 액정표시장치(100)가 설치되는 가전기기의 주회로기판(미도시)과 전기적으로 연결되면서 고정된다.In addition, the LCD panel 170 is stacked and fixed on an upper surface of the diffusion sheet 150, and the LCD panel 170 is a main circuit board of a home appliance in which the liquid crystal display device 100 is installed. It is fixed while being electrically connected with.

본 발명의 바람직한 실시예에 따르면, 상기 광원(161)은 발광다이오드(LED;Light Emitting Diode)일 수 있는데, 필요에 따라 냉음극형광램프(CCFL;Cold Cathode Fluorescent Lamp) 등을 이용할 수 있음은 물론이다.According to a preferred embodiment of the present invention, the light source 161 may be a light emitting diode (LED), and if necessary, a cold cathode fluorescent lamp (CCFL) may be used. to be.

한편, 도 5에서 보는 바와 같이, 전술한 액정표시장치(100)는 가전기기의 일종인 전기압력밥솥(200)에 내설될 수 있는데, 상기 고정가이드(110)의 고정돌기(114)를 주회로기판(미도시)에 형성된 결합홈에 결합시켜 고정하는 방식으로 내설할 수 있다.On the other hand, as shown in Figure 5, the above-described liquid crystal display device 100 may be built in the electric pressure cooker 200 which is a kind of home appliances, the fixing projection 114 of the fixing guide 110, the main circuit It can be installed in a manner that is fixed to the coupling groove formed in the substrate (not shown).

전술한 바와 같이, 본 발명에 따른 액정표시장치(100)는 필요에 따라 어떠한 가전기기에도 변형하여 사용할 수 있으며, 액정표시장치(100)가 모듈화되어 있기 때문에 작업성이 우수하며, 견고한 특성을 지닌다.As described above, the liquid crystal display device 100 according to the present invention can be used in any home appliance, if necessary, and because the liquid crystal display device 100 is modular, it is excellent in workability and has a solid characteristic. .

이상 살펴본 바와 같이 본 발명에 따르면, 고정가이드 및 캡에 수용된 액정표시장치 모듈을 통해 전기압력밥솥 등의 가전기기에 손쉽게 설치할 수 있어 작업성을 향상시킬 수 있음은 물론, 액정표시장치를 가전기기에 견고하게 고정할 수 있는 효과가 있다.As described above, according to the present invention, the liquid crystal display module accommodated in the fixing guide and the cap can be easily installed in home appliances such as an electric pressure cooker, thereby improving workability, and providing the liquid crystal display device to the home appliance. There is an effect that can be firmly fixed.

이상에서는 본 발명을 특정의 바람직한 실시예에 대해서 도시하고 설명하였지만, 본 발명은 상술한 실시예에만 한정되는 것은 아니며, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 이하의 특허청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어나지 않고 얼마든지 다양하게 변경 실시할 수 있을 것이다.Although the present invention has been illustrated and described with respect to specific preferred embodiments, the present invention is not limited to the above-described embodiments, and those of ordinary skill in the art to which the present invention pertains should have the following claims. Various modifications can be made without departing from the spirit of the technical spirit of the invention described.

Claims (5)

각종 정보가 시각적으로 표시되는 수광소자인 LCD패널;An LCD panel which is a light receiving element in which various kinds of information are visually displayed; 상기 LCD패널에 빛을 제공하는 광원;A light source providing light to the LCD panel; 상기 광원에서 발산되는 빛을 상기 LCD패널의 표면 방향으로 반사시키는 반사시트;A reflection sheet reflecting light emitted from the light source toward the surface of the LCD panel; 상기 광원에서 발산되는 빛을 상기 LCD패널 전체 면에 전달하는 렌즈인 도광판;A light guide plate which is a lens for transmitting light emitted from the light source to the entire surface of the LCD panel; 상기 도광판을 통해 입사되는 빛을 확산 및 산란시켜 상기 LCD패널의 휘도를 균일하게 하는 확산시트;A diffusion sheet which diffuses and scatters light incident through the light guide plate to make the luminance of the LCD panel uniform; 상기 반사시트, 도광판 및 확산시트가 순차적으로 적층되어 바닥면의 일측에 밀착된 상태로 걸림턱에 끼워져 고정되고, 상기 바닥면의 타측에는 상기 광원이 설치된 광원기판을 수용하는 고정가이드; 및A fixing guide configured to sequentially stack the reflective sheet, the light guide plate, and the diffusion sheet to be fitted to the locking jaw while being in close contact with one side of the bottom surface, and to accommodate the light source substrate on which the light source is installed on the other side of the bottom surface; And 상기 고정가이드의 일측에 결합되며, 상기 반사시트, 도광판 및 확산시트 조립체의 상부면 일측을 지지하는 캡을 포함하여 이루어지며, 상기 확산시트 상부면에 상기 LCD패널이 적층되어 고정되는 것을 특징으로 하는 액정표시장치의 고정구조.It is coupled to one side of the fixing guide, including a cap for supporting one side of the upper surface of the reflective sheet, the light guide plate and the diffusion sheet assembly, characterized in that the LCD panel is laminated and fixed to the upper surface of the diffusion sheet Fixed structure of liquid crystal display device. 제1항에 있어서,The method of claim 1, 상기 고정가이드의 바닥면 일측에는 관통홀이 형성되고, 상기 고정가이드의 하부면에는 다수의 고정돌기가 형성되며, 일측부에는 다수의 결합돌기가 형성되어, 상기 광원기판의 전극이 상기 관통홀을 통과하는 한편, 상기 캡에는 상기 결합돌기에 대응하는 다수의 결합홈이 형성되어 상기 캡의 결합홈이 상기 고정가이드의 결합돌기와 맞물려 결합되는 것을 특징으로 하는 액정표시장치의 고정구조.A through hole is formed at one side of the bottom surface of the fixing guide, a plurality of fixing protrusions are formed at a lower surface of the fixing guide, and a plurality of coupling protrusions are formed at one side thereof, and the electrode of the light source substrate forms the through hole. While passing through the cap, a plurality of coupling grooves corresponding to the coupling protrusions are formed so that the coupling grooves of the cap are engaged with the coupling protrusions of the fixing guide. 제1항에 있어서,The method of claim 1, 상기 캡의 내부에는 다수의 지지돌기 및 누름돌기가 형성되고, 상기 지지돌기는 상기 반사시트, 도광판 및 확산시트 조립체의 일측면을 지지하는 한편, 상기 누름돌기는 상기 광원기판의 상부면을 지지하는 것을 특징으로 하는 액정표시장치의 고정구조.A plurality of support protrusions and push protrusions are formed in the cap, and the support protrusions support one side of the reflective sheet, the light guide plate, and the diffusion sheet assembly, and the push protrusions support the upper surface of the light source substrate. Fixed structure of liquid crystal display device. 제1항에 있어서,The method of claim 1, 상기 광원은 발광다이오드인 것을 특징으로 하는 액정표시장치의 고정구조.The light source is a fixed structure of the liquid crystal display device, characterized in that the light emitting diode. 제1항에 있어서,The method of claim 1, 상기 액정표시장치는 전기압력밥솥에 내설되는 것을 특징으로 하는 액정표시장치의 고정구조.The liquid crystal display device is a fixed structure of the liquid crystal display device, characterized in that built in the electric pressure cooker.
KR1020050118870A 2005-12-07 2005-12-07 Structure for Mounting LCD KR100733483B1 (en)

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