TW200301384A - Liquid crystal display - Google Patents

Liquid crystal display Download PDF

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Publication number
TW200301384A
TW200301384A TW091135566A TW91135566A TW200301384A TW 200301384 A TW200301384 A TW 200301384A TW 091135566 A TW091135566 A TW 091135566A TW 91135566 A TW91135566 A TW 91135566A TW 200301384 A TW200301384 A TW 200301384A
Authority
TW
Taiwan
Prior art keywords
liquid crystal
light guide
crystal display
lcds
guide plate
Prior art date
Application number
TW091135566A
Other languages
Chinese (zh)
Inventor
Yasuyuki Shirato
Original Assignee
Nanox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanox Corp filed Critical Nanox Corp
Publication of TW200301384A publication Critical patent/TW200301384A/en

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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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays
    • 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

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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)
  • Liquid Crystal (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The present invention relates to a play-free liquid crystal display having two or more LCDs or LCMs mounted in a backlight unit, which can achieve low costs, can be made small, and can be easily re-assembled, wherein a reflector plate 16 is placed between light conductive plate 15 and 15 ' for mounting two LCDs 3 and 3' on the surface and rear side thereof, and these components are caused to overlap each other and are integrated, and a light source supported on a printed circuit board is disposed on one side of the light conductive plates 15 and 15'. When fixing the LCDs 3 by a fixed claw 15a and a movable claw 15b of the light conductive plates 15 and 15', the respective claws 15a and 15b are provided with a taper portion so that no noise due to play is generated.

Description

200301384 A7 B7 五、發明説明（1 ) 發明所屬之技術領域 (請先閱讀背面之注意事項再填寫本頁) 本發明係有關於一種液晶顯示器，且特別是有關於一 種適用於諸如行動電話之可攜式顯示裝置的液晶顯示器。 先前技術 習知地，具有被塡滿在透明基板之間的供顯示用之液 晶的液晶顯示元件（於後有時被稱之爲液晶顯示部份或 LCD)，已廣泛地知道爲一液晶顯示器。一種由LSI ( 1C )驅動LCD之裝置（於後有時稱之爲LCM或LC模組） 係不於圖7中（圖7 ( a )係其之個別構成件被組合之前 的立體圖，圖7 ( b )係在圖7 ( a )中顯示的構成件組合 之後的剖面側正視圖）。 由液晶顯示部份（LCD ) 3構成之LC模組，其中， 經濟部智慧財產局員工消費合作社印製 每一構成一透明電極且個別地設有導電線路之透明表面基 板1與後基板2係被導致互相地重疊，且具有被密封構件 區分密封在相對應透明基板1與2之間的像素區域中之液 晶；及一電路基板部份9，其中，金屬銅之導電線路5與 6被連接至相對應液晶顯示部份3的導電線路，且均形成 諸如聚醯胺樹脂之合成樹脂薄膜所形成的電路基板7上， 用以施加電信號以供顯示至該液晶顯示部份的透明像素電 極之LSI ( 1C ) 8，係被連接至該金屬銅導電線路5與6 經由一 ACF (各向異性導電薄膜）（未示於圖）而集成的 區域。前述二基板1與2係由透明玻璃或透明樹脂板所構 成。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -5^ 200301384 經濟部智慧財產局員工消費合作社印製 Α7 Β7 五、發明説明（2 ) 在電路基板部份9上之LSI ( 1C) 8之導電線路，係 被建構使得經由一各向異性導電薄膜（未示於圖）而連接 至電力供應側。但是，在示於圖7之配置中，因爲L SI 8 係被提供在一各向異性導電薄膜上’其可被稱之爲一種薄 膜上的晶片模組。 且，示於圖7中之LCM係一種範例，其中導光板1 1 被使用爲LCD 3的背光照明，LCD 3與電路基板部份9均 被集成且被裝設重疊在導光板11上。前述構件與導光板 11的LEDs及一冷陰極板等一起附接在基板13上。反射 可見光線之漆或帶，係被塗層或提供在相對應基板1 3的 導光板1 1側之側上。 且，在主LCD與後LCD被提供在例如爲行動電話的 情況中，二LCDs 3與3’附接至一 LCM製品的剖面側正視 圖係示於圖8中。於此情況，因爲導光板1 1與1 1 ’及光源 12與124句安裝在個別LCDs上，構造成爲較龐大。 且，爲使固定一 LCD 3在導光板11與光源12的組合 中（於後可稱之爲一背光照明單位），可使用雙面黏著帶 將導光板11與光源12黏著在一起的方法，或如同圖9中 之液晶顯示器的主要部份的剖面側視圖所示，經由被提供 在背光照明單位的導光板2 1處之爪2 1 a與2 1 b來固定 LCD 3。 在依據習知技術之液晶顯示器中（示於前述之圖7與 圖8)，存在下列之缺點。因爲一背光照明單位安裝在〜 LCD 3上，一液晶顯示器製品需要二背光照明單位，其中 本紙張尺度適用中國國家標準（CNS ) Μ規格（2丨0X297公着) (請先閱讀背面之注意事項再填寫本頁)200301384 A7 B7 V. Description of the invention (1) The technical field to which the invention belongs (please read the precautions on the back before filling out this page) The present invention relates to a liquid crystal display, and in particular, to a liquid crystal display suitable for mobile phones Liquid crystal display of portable display device. It is conventionally known in the art that a liquid crystal display element (hereinafter sometimes referred to as a liquid crystal display portion or LCD) having a liquid crystal for display filled between transparent substrates is widely known as a liquid crystal display. . A device driven by LSI (1C) LCD (hereinafter sometimes referred to as LCM or LC module) is not shown in Fig. 7 (Fig. 7 (a) is a perspective view before the individual components are combined, Fig. 7 (b) is a sectional side elevation view after the combination of the components shown in FIG. 7 (a)). An LC module composed of a liquid crystal display part (LCD) 3. Among them, the consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints each transparent surface substrate 1 and rear substrate 2 constituting a transparent electrode and individually provided with conductive lines. Are caused to overlap each other, and have liquid crystals sealed in the pixel region between the corresponding transparent substrates 1 and 2 by a sealing member; and a circuit substrate portion 9 in which conductive lines 5 and 6 of metal copper are connected To the transparent circuit electrodes corresponding to the conductive lines of the liquid crystal display portion 3 and all formed on a circuit substrate 7 formed of a synthetic resin film such as a polyamide resin, for applying an electric signal for display to the liquid crystal display portion The LSI (1C) 8 is connected to the area where the metal copper conductive lines 5 and 6 are integrated via an ACF (anisotropic conductive film) (not shown). The two substrates 1 and 2 are made of transparent glass or transparent resin plate. This paper size applies to China National Standard (CNS) A4 specification (210X297 mm) -5 ^ 200301384 Printed by the Consumers ’Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 V. Description of the invention (2) LSI on circuit board part 9 ( 1C) The conductive line of 8 is constructed so as to be connected to the power supply side through an anisotropic conductive film (not shown). However, in the configuration shown in Fig. 7, since the L SI 8 series is provided on an anisotropic conductive thin film ', it can be called a wafer-on-chip module. Moreover, the LCM shown in FIG. 7 is an example in which the light guide plate 1 1 is used as the backlight of the LCD 3, and the LCD 3 and the circuit substrate portion 9 are integrated and mounted on the light guide plate 11. The aforementioned members are attached to the substrate 13 together with the LEDs of the light guide plate 11, a cold cathode plate, and the like. The varnish or tape reflecting visible light is coated or provided on the side of the light guide plate 1 1 side corresponding to the substrate 13. And, in the case where the main LCD and the rear LCD are provided, for example, as mobile phones, the cross-sectional side front view of the two LCDs 3 and 3 'attached to an LCM product is shown in FIG. In this case, since the light guide plates 11 and 1 1 ′ and the light sources 12 and 124 are mounted on individual LCDs, the structure becomes relatively large. And, in order to fix an LCD 3 in the combination of the light guide plate 11 and the light source 12 (hereinafter may be referred to as a backlight lighting unit), a method of sticking the light guide plate 11 and the light source 12 together using a double-sided adhesive tape may be used. Or, as shown in a cross-sectional side view of the main part of the liquid crystal display in FIG. 9, the LCD 3 is fixed via the claws 2 1 a and 2 1 b provided at the light guide plate 21 of the backlight unit. In the liquid crystal display according to the conventional technology (shown in Figs. 7 and 8 described above), there are the following disadvantages. Because one backlight unit is installed on ~ LCD 3, one LCD display product requires two backlight units, of which the paper size applies the Chinese National Standard (CNS) M specification (2 丨 0X297) (please read the precautions on the back first) (Fill in this page again)

-6 - 200301384 A7 _____ B7_ 五、發明説明（3 ) 增加了金屬模之成本與材料之成本，進一步的，安裝之立 方容積亦跟隨著增加。 (請先閱讀背面之注意事項再填寫本頁) 且，如果異物進入背光照明單位與LCD 3之間，即 爲進入經由雙面黏著帶將背光照明單位與LCD 3互相黏 著之處，當分解這些構件來移除異物時會損壞該製品，且 因爲雙面黏著帶之粘著材料仍存在，製品表面會被染污。 因而，在異物已進入後，恐怕不能在背光照明單位與LCD 3之間執行再組合。 且，該種構造已被廣泛地知道，其中，LCD 3係被裝 配在固著於背光照明單位的導光板21上之二爪21a與 21 b之間。但是，如果如圖9所示的，將LCD 3裝配在固 著於導光板21上之二爪21a與21b之間，在二爪21a與 21b及LCD 3的表面之間會產生間隙S1與S2，且會造成 LCD 3搖晃不穩定的情況。 發明內容 經濟部智慧財產局員工消費合作社印製 因而，本發明之目的係提供一種製品，其不會有任何 餘隙或搖晃，其可被製成較小尺寸，且可輕易地再組合， 即使在具有二或更多LCDS或LCMs被安裝在其之背光照 明單位處的液晶顯示器中，其之製造成本亦不昂貴。 本發明之前述目的可由下述之本發明達成。 即爲，一種液晶顯示器，包括被置於二液晶顯示器部 份（LCDs )之間的導光板；被裝設在該導光板的一末端 部份處之光源；及一對液晶顯不器部份（L C D s ) ’其中 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 200301384 A7 B7 五、發明説明（4 ) ’液晶係被密封在第一基板與第二基板之間的像素區域中 ;其中’具有像素電極之第一基板與具有像素電極之第二 基板被導致互相重疊’因此，該二電極被裝設使得互相地 相對。 前述導光板係由一對導光材料所構成，每一該板係相 對應於每一液晶顯示器部份（LCDs )，且反射板被裝設 在該對導光板之間。前述導光板係設有一固定爪與一可活 動爪’每一該爪均具有錐形部份，經由該錐形部份裝設個 別之液晶顯不器部份（L C D s )。 依據本發明，可同時地自一組光源與導光板構成之背 光照明單位，發射光線至被附接於背光照明單位之表面與 後部的二LCDs或LCMs。進一步的，可減少用以安裝光 源之步驟次數與區域面積。 前述導光板係由一對導光材料所形成，其係個別地相 對應於個別之液晶顯示部份（LCDs )，其中因爲反射板 係被裝設在相對應之成對導光板之間，可有效地顯示出背 光照明功能。 且，因爲在背光照明型液晶顯示器使用具有設有錐形 部份之爪的背光照明單位，以使固定LCD或LCM，其不 會由於餘隙發出任何噪音，即使如果異物進入背光照明單 位與LCD 3或LCM之間，其亦可輕易地再組合該製品。 依據本發明，因爲可經由一組光源與導光板構成之背 光照明單位顯示二LCDs (或LCMs )，可減少用以安裝 液晶顯示器之步驟次數與區域面積，因而降低能量消耗與 本紙張尺度適用中國國家標準（CNS)A4規格（210X297公釐） 批衣-- (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部智慧財產局S工消費合作社印製 -8 - 200301384 A7 B7 五、發明説明（5 ) 製造成本。 (請先閲讀背面之注意事項再填寫本頁) 且，以該背光照明型液晶顯示器，即使在異物進入背 光照明單位（其具有用以固定LCDs (或LCMs )之爪， 且不會由於餘隙產生任何噪音）與LCDs (或LCMs )之 間，可輕易地執行其之再組合。 實施方式 參照所附圖形，於下將說明本發明之實施例。 經濟部智慧財產局員工消費合作社印製 首先，在圖1與圖2中顯示可裝配依據本實施例的二 LCDs之背光照明單位的構造。圖1係立體圖，顯示導光 板15與15’在安裝二LCDs於其之表面與後部之前的構圖 。反射板16被置於二導光板15與151之間，且均被導致 互相重疊，使得二導光板15與15’如圖2 ( a)之立體圖 所示的集成。此外，圖2 ( b )顯示沿著圖2 ( a )中之線 A - A取得的橫剖面圖。如圖形所示，被支承在印刷電路 板1 7上之光源1 2，係置於導光板1 5與1 5 '的一側處（印 刷電路板17未示於圖2 ( a )中）。且，圖5顯示沿著圖 2 ( a )中之線B — B取得的橫剖面部份之放大圖。此外， 圖5係側視圖，顯示LCDs 3與3'(或LCMs )已被安裝 之狀態。 圖3顯示一種組合之前的構造，其中，表面基板1、 後基板2與表面基板Γ、後基板2’被導致互相重疊在示 於圖1與圖2中之背光照明單位的二側上，LCD s 3與3 · (其中，液晶被個別密封構件區分密封在像素區域中）被 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X297公釐） -9- 200301384 A7 B7 ____ 五、發明説明（6 ) 裝設於二相對應的透明基板1與2及Γ與2’之間。且’ (請先閲讀背面之注意事項再填寫本頁) 圖3顯示電路基板7與7,，於其上形成來自LCDs 3與3· 連接之金屬銅導電線路，及顯示LSI 8與8’，其可施加電 信號以供顯示至前述LCDs 3與3’的透明像素電極。如示 於圖3，經由裝設單一光源1 2在導光板1 5與1 Y之個別 光線入射平面處，使得光線均勻地進入，個別導光板1 5 與1 5,可朝向個別LCDs 3與3，（或LCMs )均勻地照射光 線。 燈絲型燈泡、冷陰極管、熱陰極管、LED等均可使 用爲光源1 2，且反射板1 6可以爲以白漆薄膜覆蓋之塑膠 片、以鋁金屬薄膜覆蓋之板、或粘附鋁箔之板。且，可使 用由丙烯酸樹脂或聚碳酸酯樹脂構成的材料做爲導光板 1 5與1 5丨。 經濟部智慧財產局員工消費合作社印製 且，圖4顯示沿圖1之線A - A取得之剖面圖。但是 ，用以固定LCD 3 (或LCM )之爪1 5a與1 5b均設於導 光板1 5之相對側處。具有二型的爪1 5 a與1 5 b，其一係 固定（靜止）爪15a，且另一爲可移動爪15b。個別之爪 1 5 a與1 5b係個別地具有些微錐形段（圖4中之箭頭C部 )，因此，可改良背光照明單位與LCD 3 (或LCM)之 裝配特色，且在LCD 3 (或LCM)固定在背光照明單位 之後，不會產生來自餘隙的噪音。 在固定爪15a與可移動爪15b之間的長度L (示於圖 4中之L係被設計成爲些微地小於LCD 3 (或LCM)之相 對側寬度B，因此，LCD 3 (或LCM)可被帶入與爪15a 本紙張尺度適用中國國家標準（CNS ) A4規格（210><297公釐） -10- 200301384 A7 __B7__ 五、發明説明（7 ) (請先閲讀背面之注意事項再填寫本頁) 及1 5 b的錐形段接觸。因爲二爪i 5 a與1 5 b係由相同於導 光板1 5之材料的合成樹脂所製成，爪1 5 a與1 5 b均具有 些微的彈性能力。依此，由二爪1 5 a與1 5 b所放置之 LCD3 (或LCM)係被經常地以箭頭D之方向壓擠，且 LCD 3 (或LCM)被設有餘隙地固持在爪15a與15b之間 。圖5經由使用虛線與實線而個別地顯示爪1 5 b之調整外 形與還原外形。 在依據本實施例之構造中，因爲不會提供間隙S 1與 S2 (當LCD 3 (或LCM)被裝配在示於圖9中之習知技 術背光照明單位的爪2 1 A與2 1 b之間會產生），不會產 生來自餘隙的噪音。 經由控制光源1 2的位置及依據本發明之導光板丨5與 1 5 b之光線入射平面（或變化光線入射平面之區域面積） ’可調整背光照明單位之表面與後側上的光線發射亮度。 進一步的，在提供多數光源的情況中，可經由調整光源發 光的數量來調整光線發射亮度。 經濟部智慧財產局員工消費合作社印製 而且，可應用示於圖6之構造，其中，使用示於圖6 中之導光板19而非示於圖5中之反射板16，且，LCD3 (或L C Μ )被裝配在提供於示於圖6之板1 9的二側上之 固定爪19a與可移動爪19b之間。 如果依據本發明之背光照明單位係與一 MLCD (多 L C D )模組組合，其可提供製造成本與空間均降低的l c D 模組單位。 經由使用此一方法，被安裝在一可折疊式行動電話中 本紙張尺度適用中國國家標準（CNsl A4規格（210X297公釐）~" ' 一 -11 - 200301384 A7 B7 五、發明説明（8 ) 的副LCD (後LCD )與主LCD，可經由背光照明系統而 被導致同時地顯示。 依據前述實施例’其可同時地顯示LCDs 3與V (或 LCM )，該LCDs 3與3'被設於由一組光源12及導光板 1 5與1 5，或1 9所構成的背光照明單位之表面與後側上。 進一步的，因爲其可減少用以安裝光源1 2之步驟次數與 區域面積，可以減少能量消耗及製造成本與空間的方式， 提供背光照明型的液晶顯示器。 此外，因爲背光照明單位具有爪15a與15b之組合、 爪15’與15N之組合、與爪1W與m之組合，其不會產 生由於餘隙之任何噪音，且爲使固定供背光照明型液晶顯 示器使用的LCDs 3 (或LCM)，即使如果異物進入背光 照明與LCDs 3及3’（或LCM)之間，亦可輕易地執行其 之再組合。 依據本實施例之液晶顯示器係適用於諸如行動電話之 可攜式顯示裝置。 圖式簡單說明 圖1係一立體圖，顯示在組合依據本發明之實施例的 導光板之前的構造，該導光板係用以安裝二LCDs在其之 表面與後部上； 圖2 ( a )係在圖1中之導光板被組合後的立體圖， 且圖2 ( b )係沿圖2 ( a )之線A — A取得的剖面圖； 圖3係一立體圖，顯示一種在組合之前的構造，其中 本紙張尺度適用中國國家標準（CNS ) A4規格（210X29*7公釐） " -12- (請先閱讀背面之注意事項再填寫本頁) -裝 訂 經濟部智慧財產局員工消費合作社印製 200301384 A7 B7 五、發明説明（9 ) LCD係被裝設在示於圖丨與圖2中之背光照明單位的二 側上； 圖4係沿圖1之線A - A取得之剖面圖； 圖5係沿圖2 ( a )之線B - B取得之剖面圖； 圖6係依據本發明之實施例的背光照明單位之放大剖 面圖； 圖7 ( a)係一立體圖，顯示安裝習知技術LCDs在背 光照明單位中之步驟，且圖7 ( b )係組合之後的剖面側 視圖； 圖8係一習知技術液晶顯示器之剖面側視圖；及 圖9係一習知技術液晶顯示器之主要部份的剖面側視 圖。 辦衣-- (請先閲讀背面之注意事項再填寫本頁) 訂 經濟部智慧財產局員工消費合作社印製 主要元件對照表 1 透明表面基板 1 · 透明表面基板 2 後基板 2' 後基板 3 液晶顯不部份 3 · 液晶顯示部份 5 導電線路 6 導電線路 7 電路基板 7' 電路基板 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -13- 經濟部智慧財產局員工消費合作社印製 2003G1384 A7 B7 五、發明説明（10) 8 大規模集成電路 8 ’ 大規模集成電路 9 電部基板部份 11 導光板 1 Γ 導光板 12 光源 12' 光源 13 基板 15 導光板 15’ 導光板 15a 固定爪 15a’ 固定爪 15b 可移動爪 15b' 可移動爪 16 反射板 17 印刷電路板 19 導光板 19a 固定爪 19b 可移動爪 21 導光板 21a 爪 21b 爪 S1 間隙 S 2 間隙 本紙張尺度適用中國國家標準（CNS > A4規格（210X297公釐〉 (請先閱讀背面之注意事項再填寫本頁)-6-200301384 A7 _____ B7_ V. Description of the invention (3) The cost of the metal mold and the cost of materials have been increased. Furthermore, the cubic volume of the installation has also increased. (Please read the precautions on the back before filling this page.) And, if a foreign object enters between the backlight unit and the LCD 3, it is to enter the place where the backlight unit and the LCD 3 are adhered to each other through a double-sided adhesive tape. When the component is used to remove foreign objects, the product will be damaged, and because the adhesive material of the double-sided adhesive tape is still present, the surface of the product will be stained. Therefore, after foreign matter has entered, it may be impossible to perform recombination between the backlight unit and the LCD 3. Further, such a structure has been widely known, in which the LCD 3 is mounted between two claws 21a and 21b fixed to a light guide plate 21 fixed to a backlight unit. However, if the LCD 3 is assembled between the two claws 21a and 21b fixed to the light guide plate 21 as shown in FIG. 9, gaps S1 and S2 will be generated between the two claws 21a and 21b and the surface of the LCD 3. , And will cause the LCD 3 to shake unstable. DISCLOSURE OF THE INVENTION Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economics Therefore, the object of the present invention is to provide a product that does not have any clearance or wobble, can be made into a smaller size, and can be easily reassembled, In a liquid crystal display having two or more LCDS or LCMs mounted at its backlight unit, its manufacturing cost is also not expensive. The aforementioned objects of the present invention can be achieved by the present invention described below. That is, a liquid crystal display includes a light guide plate disposed between two liquid crystal display portions (LCDs); a light source installed at one end portion of the light guide plate; and a pair of liquid crystal display portions. (LCD s) 'Where this paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) 200301384 A7 B7 V. Description of the invention (4)' The liquid crystal system is sealed between the pixels of the first substrate and the second substrate Area; where 'a first substrate with a pixel electrode and a second substrate with a pixel electrode are caused to overlap each other', therefore, the two electrodes are arranged so as to face each other. The aforementioned light guide plate is composed of a pair of light guide materials, each of which corresponds to each of the liquid crystal display parts (LCDs), and a reflective plate is installed between the pair of light guide plates. The aforementioned light guide plate is provided with a fixed claw and a movable claw ', each of the claws has a tapered portion, and a separate liquid crystal display portion (L C D s) is installed through the tapered portion. According to the present invention, a backlight unit composed of a group of light sources and a light guide plate can emit light at the same time to two LCDs or LCMs attached to the surface and the rear of the backlight unit. Further, it is possible to reduce the number of steps and area for installing a light source. The aforementioned light guide plate is formed by a pair of light guide materials, which individually correspond to individual liquid crystal display portions (LCDs). Among them, the reflection plate is installed between the corresponding pair of light guide plates, and can be Effective display backlight function. And, because the backlight type liquid crystal display uses a backlight unit having a claw provided with a tapered portion, so that the LCD or LCM is fixed, it will not emit any noise due to the clearance, even if foreign objects enter the backlight unit and the LCD 3 or LCM, it can easily reassemble the product. According to the present invention, since two LCDs (or LCMs) can be displayed through a backlight unit composed of a set of light sources and a light guide plate, the number of steps and area for installing a liquid crystal display can be reduced, and thus the energy consumption is reduced. National Standard (CNS) A4 Specification (210X297 mm) Approved Clothing-(Please read the precautions on the back before filling out this page) Order printed by S Industrial Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economics-8-200301384 A7 B7 V. Invention Explanation (5) Manufacturing cost. (Please read the precautions on the back before filling out this page.) And, with this backlight LCD, even when foreign objects enter the backlight unit (which has claws to fix LCDs (or LCMs)), it will not Any noise generated) and LCDs (or LCMs) can be easily recombined. Embodiments With reference to the accompanying drawings, embodiments of the present invention will be described below. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs First, the structure of a backlight unit that can be equipped with the two LCDs according to this embodiment is shown in FIGS. 1 and 2. Fig. 1 is a perspective view showing the composition of the light guide plates 15 and 15 'before the two LCDs are mounted on the surface and the rear thereof. The reflection plate 16 is placed between the two light guide plates 15 and 151, and both are caused to overlap each other, so that the two light guide plates 15 and 15 'are integrated as shown in the perspective view of Fig. 2 (a). In addition, FIG. 2 (b) shows a cross-sectional view taken along line A-A in FIG. 2 (a). As shown in the figure, the light source 12 supported on the printed circuit board 17 is placed on one side of the light guide plates 15 and 15 '(the printed circuit board 17 is not shown in Fig. 2 (a)). And, FIG. 5 shows an enlarged view of a cross-sectional portion taken along a line B-B in FIG. 2 (a). In addition, Fig. 5 is a side view showing a state where the LCDs 3 and 3 '(or LCMs) have been installed. FIG. 3 shows a structure before combination, in which the surface substrate 1, the rear substrate 2 and the surface substrate Γ, and the rear substrate 2 'are caused to overlap each other on two sides of the backlight unit shown in FIG. 1 and FIG. 2, and the LCD s 3 and 3 · (where the liquid crystal is sealed and sealed in the pixel area by individual sealing members) The Chinese national standard (CNS) A4 specification (210 X297 mm) is applied to this paper size -9- 200301384 A7 B7 ____ 5. Description of the invention (6) Installed between two corresponding transparent substrates 1 and 2 and Γ and 2 '. And '(Please read the precautions on the back before filling this page) Figure 3 shows circuit boards 7 and 7, on which metal copper conductive lines from LCDs 3 and 3 · are formed, and displays LSI 8 and 8', It can apply electrical signals for display to the transparent pixel electrodes of the aforementioned LCDs 3 and 3 '. As shown in Figure 3, by installing a single light source 12 at the individual light incident planes of the light guide plates 15 and 1 Y, the light enters uniformly, and the individual light guide plates 15 and 15 can be directed to the individual LCDs 3 and 3. (Or LCMs) evenly illuminate the light. Filament bulbs, cold cathode tubes, hot cathode tubes, LEDs, etc. can be used as the light source 12 and the reflective plate 16 can be a plastic sheet covered with a white paint film, a plate covered with an aluminum metal film, or an aluminum foil adhered The board. In addition, materials made of acrylic resin or polycarbonate resin can be used as the light guide plates 15 and 15. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs and Figure 4 shows a cross-sectional view taken along line A-A of Figure 1. However, the claws 15a and 15b for fixing the LCD 3 (or LCM) are provided on the opposite sides of the light guide plate 15. There are two types of claws 15a and 15b. One is a fixed (static) claw 15a, and the other is a movable claw 15b. The individual claws 15 a and 15 b have individual slightly tapered sections (arrow C in FIG. 4). Therefore, the assembly characteristics of the backlight unit and the LCD 3 (or LCM) can be improved. Or LCM) does not generate noise from the gap after it is fixed to the backlight unit. The length L between the fixed claw 15a and the movable claw 15b (L shown in FIG. 4 is designed to be slightly smaller than the opposite side width B of the LCD 3 (or LCM). Therefore, the LCD 3 (or LCM) can be Bringed into the claw 15a This paper size applies Chinese National Standard (CNS) A4 specifications (210 > < 297 mm) -10- 200301384 A7 __B7__ V. Description of the invention (7) (Please read the precautions on the back before filling (This page) is in contact with the conical section of 1 5 b. Because the two claws i 5 a and 1 5 b are made of the same synthetic resin as the light guide plate 15, both claws 1 a and 1 5 b have Slight elasticity. According to this, the LCD3 (or LCM) placed by the two claws 15a and 15b is often squeezed in the direction of the arrow D, and the LCD 3 (or LCM) is held with a clearance. Between the claws 15a and 15b. Fig. 5 shows the adjusted shape and the reduced shape of the claws 15b individually by using a dotted line and a solid line. In the configuration according to this embodiment, because the gaps S1 and S2 are not provided ( When LCD 3 (or LCM) is assembled between the claws 2 1 A and 2 1 b of the conventional technology backlight unit shown in FIG. 9), it does not occur Clearance noise. By controlling the position of the light source 12 and the light incident planes (or changing the area of the light incident planes) of the light guide plates 5 and 1 5 b according to the present invention, 'the surface and rear side of the backlight unit can be adjusted. Further, in the case where most light sources are provided, the light emission brightness can be adjusted by adjusting the amount of light emitted by the light source. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, and the structure shown in FIG. 6 can be applied Among them, the light guide plate 19 shown in FIG. 6 is used instead of the reflection plate 16 shown in FIG. 5, and the LCD 3 (or LC M) is assembled on two sides provided on the plate 19 shown in FIG. 6. Between the fixed claw 19a and the movable claw 19b. If the backlight unit according to the present invention is combined with an MLCD (multi-LCD) module, it can provide an LCD module unit with reduced manufacturing cost and space. This method is installed in a foldable mobile phone. The paper size is applicable to Chinese national standards (CNsl A4 specification (210X297 mm) ~ " 'I-11-200301384 A7 B7 V. Description of the invention ( 8) The secondary LCD (rear LCD) and the main LCD can be caused to be displayed simultaneously via the backlight system. According to the aforementioned embodiment, 'it can display LCDs 3 and V (or LCM) simultaneously, the LCDs 3 and 3' It is arranged on the surface and the back side of a backlight unit composed of a group of light sources 12 and light guide plates 15 and 15 or 19. Further, because it can reduce the number of steps and area for installing the light source 12, it can reduce the energy consumption and manufacturing cost and space, and it can provide a backlight-type liquid crystal display. In addition, since the backlight unit has a combination of claws 15a and 15b, a combination of claws 15 'and 15N, and a combination of claws 1W and m, it does not generate any noise due to the clearance, and it is a fixed backlight LCD The LCDs 3 (or LCM) used in the display can be easily reassembled even if foreign objects enter between the backlight and the LCDs 3 and 3 '(or LCM). The liquid crystal display according to this embodiment is suitable for a portable display device such as a mobile phone. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a structure before a light guide plate according to an embodiment of the present invention is assembled, and the light guide plate is used for mounting two LCDs on a surface and a rear portion thereof; FIG. 2 (a) is A perspective view of the light guide plate in FIG. 1 after being assembled, and FIG. 2 (b) is a cross-sectional view taken along line A-A of FIG. 2 (a); FIG. 3 is a perspective view showing a structure before assembly, in which This paper size applies the Chinese National Standard (CNS) A4 specification (210X29 * 7mm) " -12- (Please read the precautions on the back before filling this page)-Stapled by the Intellectual Property Bureau of the Ministry of Economic Affairs and printed by the Consumer Cooperatives 200301384 A7 B7 V. Description of the invention (9) LCD is installed on both sides of the backlight unit shown in Figures 丨 and 2; Figure 4 is a cross-sectional view taken along line A-A of Figure 1; Figure 5 It is a cross-sectional view taken along line B-B of FIG. 2 (a); FIG. 6 is an enlarged cross-sectional view of a backlight unit according to an embodiment of the present invention; and FIG. 7 (a) is a perspective view showing the installation of conventional LCDs Steps in the backlight unit, and Fig. 7 (b) is a cross-section after combination Side view; FIG. 8 a conventional line sectional side view of a liquid crystal display art; and FIG. 9 based main portion of a conventional liquid crystal display technology cross-sectional side view. Make clothes-(Please read the precautions on the back before filling this page) Order the comparison table of the main components printed by the Intellectual Property Bureau of the Ministry of Economic Affairs and the Consumer Cooperatives 1 Transparent surface substrate 1 · Transparent surface substrate 2 Rear substrate 2 'Rear substrate 3 LCD Display part 3 · Liquid crystal display part 5 Conductive circuit 6 Conductive circuit 7 Circuit board 7 'Circuit board The paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) -13- Consumption by employees of the Intellectual Property Bureau of the Ministry of Economic Affairs Printed by the cooperative 2003G1384 A7 B7 V. Description of the invention (10) 8 Large-scale integrated circuit 8 'Large-scale integrated circuit 9 Substrate part of the electrical department 11 Light guide plate 1 Γ Light guide plate 12 Light source 12' Light source 13 Substrate 15 Light guide plate 15 'Guide Light plate 15a Fixed claw 15a 'Fixed claw 15b Moveable claw 15b' Moveable claw 16 Reflective plate 17 Printed circuit board 19 Light guide plate 19a Fixed claw 19b Moveable claw 21 Light guide plate 21a Claw 21b Claw S1 Clearance S 2 Clearance This paper size is applicable China National Standard (CNS > A4 specification (210X297 mm) (Please read the precautions on the back before filling this page)

-14- 2003G1384 A7 B7 五、發明説明（11) L 長度 B 寬度 (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -15--14- 2003G1384 A7 B7 V. Description of the invention (11) L length B width (please read the notes on the back before filling this page) Printed on the paper by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs This paper applies Chinese national standards (CNS) A4 specifications (210X297 mm) -15-

Claims (1)

200301384 ABICD 六、申請專利範圍 1 1 · 一種液晶顯不器，包括·· 被置於二液晶顯示器部份（LCDs )之間的導光板； 被裝設在該導光板的一末端部份處之光源；及 一對液晶顯示器部份（LCDs )，其中，液晶係被密 封在第一基板與第二基板之間的像素區域中；其中，具有 像素電極之第一基板與具有像素電極之第二基板被導致互 相重疊，因此，該二電極被裝設使得互相地相對。 2.如申請專利範圍第1項之液晶顯示器，其中導光板 係由一對導光材料所構成，每一該板係相對應於每一液晶 顯示器部份（LCDs)，且反射板被裝設在該對導光板之 間。 3 .如申請專利範圍第1項之液晶顯示器，其中該導光 板係設有一固定爪與一可活動爪，每一該爪均具有錐形部 份，經由該錐形部份裝設個別之液晶顯示器部份（LCDs (請先閱讀背面之注意事項再填寫本頁) -裝- 、π 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS ) M規格（2丨〇><297公釐） -16-200301384 ABICD VI. Scope of patent application 1 1 · A liquid crystal display device, including a light guide plate placed between two liquid crystal display parts (LCDs); installed at one end portion of the light guide plate A light source; and a pair of liquid crystal display parts (LCDs), in which a liquid crystal system is sealed in a pixel region between a first substrate and a second substrate; wherein a first substrate having a pixel electrode and a second substrate having a pixel electrode The substrates are caused to overlap each other, and therefore, the two electrodes are disposed so as to face each other. 2. The liquid crystal display of item 1 of the patent application scope, wherein the light guide plate is composed of a pair of light guide materials, each of which corresponds to each liquid crystal display part (LCDs), and the reflection plate is installed Between the pair of light guide plates. 3. The liquid crystal display as claimed in the first item of the patent application, wherein the light guide plate is provided with a fixed claw and a movable claw, each of which has a tapered portion, and an individual liquid crystal is installed through the tapered portion Display section (LCDs (please read the precautions on the back before filling this page) -Installation-, π Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs, Consumer Cooperatives This paper is printed in accordance with Chinese National Standard (CNS) M Specification (2 丨 〇 > < 297 mm) -16-
TW091135566A 2001-12-14 2002-12-09 Liquid crystal display TW200301384A (en)

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CN100419531C (en) * 2003-11-01 2008-09-17 鸿富锦精密工业（深圳）有限公司 Light guide device and back light module assmbly
KR101164822B1 (en) * 2005-12-01 2012-07-12 삼성전자주식회사 Information processing apparatus and manufacturing method for the same
JP2007178463A (en) * 2005-12-26 2007-07-12 Matsushita Electric Works Ltd Planar light emitter, and liquid crystal display apparatus equipped with the same
JP2009020338A (en) * 2007-07-12 2009-01-29 Yazaki Corp Lcd holding device and meter for vehicle
CN104155791B (en) 2014-07-11 2017-01-18 京东方科技集团股份有限公司 Double-sided display panel and double-sided display device
CN105974670A (en) * 2016-07-25 2016-09-28 深圳市华星光电技术有限公司 Backlight source and backlight module

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JPH0373927A (en) * 1989-08-16 1991-03-28 Matsushita Electric Ind Co Ltd Liquid crystal display device
JPH04329516A (en) * 1991-04-30 1992-11-18 Koufu Nippon Denki Kk Customer display device
JPH0990325A (en) * 1995-09-26 1997-04-04 Toshiba Corp Liquid crystal display device
JP3728981B2 (en) * 1998-08-26 2005-12-21 セイコーエプソン株式会社 Liquid crystal device and electronic device
KR100444694B1 (en) * 1999-08-04 2004-08-18 엘지전자 주식회사 Apparatus For Liquid Crystal Display in A Folder Form Mobile Telecommunication Terminal
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