TW201543120A - 顯示面板 - Google Patents

顯示面板 Download PDF

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TW201543120A
TW201543120A TW103123591A TW103123591A TW201543120A TW 201543120 A TW201543120 A TW 201543120A TW 103123591 A TW103123591 A TW 103123591A TW 103123591 A TW103123591 A TW 103123591A TW 201543120 A TW201543120 A TW 201543120A
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Taiwan
Prior art keywords
unit
display panel
substrate
area
spacer
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TW103123591A
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TWI494668B (zh
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Shih-Hsiung Wu
Jui-Chu Lai
Feng-Yu Lin
Chien-Hung Wu
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Innolux Corp
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Priority to KR1020150034286A priority Critical patent/KR101653099B1/ko
Priority to JP2015065384A priority patent/JP2015215597A/ja
Priority to US14/678,205 priority patent/US20150323821A1/en
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Publication of TWI494668B publication Critical patent/TWI494668B/zh
Publication of TW201543120A publication Critical patent/TW201543120A/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
    • H01L23/60—Protection against electrostatic charges or discharges, e.g. Faraday shields
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
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    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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    • B32B7/04—Interconnection of layers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • 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
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    • 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
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    • G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
    • 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
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G—PHYSICS
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    • 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
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    • 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
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    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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    • G02F1/136204—Arrangements to prevent high voltage or static electricity failures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
    • H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0067—Devices for protecting against damage from electrostatic discharge
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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Abstract

本發明係有關於一種顯示面板包括：一第一基板；一第二基板，與第一基板相對設置且包括一顯示區及一週邊區；一封裝單元，環設於該第一基板與該第二基板之間，並對應於該顯示區的外圍；以及複數凸起單元，設於週邊區上，且分別具有面向第一基板之一頂面；其中，封裝單元具有一沿其長度方向之中心線，於距離中心線之兩側各0μm至200μm之區域內係對應設置凸起單元，且於該區域之一單位面積下，頂面之面積總合佔單位面積之1%至5%。

Description

顯示面板
本發明係關於一種顯示面板，尤指一種於基板上設置凸起單元以達到窄邊框目的之顯示面板。
隨著顯示器技術不斷進步，所有的裝置均朝體積小、厚度薄、重量輕等趨勢發展，故目前市面上主流之顯示器裝置已由以往之陰極射線管發展成液晶顯示裝置。特別是，液晶顯示裝置可應用的領域相當多，舉凡日常生活中使用之手機、筆記型電腦、攝影機、照相機、音樂播放器、行動導航裝置、電視等顯示裝置，大多數均使用液晶顯示面板。
其中，液晶顯示面板之亮度、對比度、色彩、可視角度為決定液晶顯示裝置觀看效果之主要參數。隨著液晶顯示裝置之發展，目前主流或開發中之面板可區分為：扭曲向列型(TN)、垂直配向型(VA)、平面配向型(IPS)等模式。然而，無論是前述何種類型之顯示面板，均朝窄邊框以使顯示區最大化之目標發展。
於常見的液晶顯示面板結構中，係以配向層幫助液晶傾倒，而可達到快速轉換亮暗態的目的。然而，為了符合窄邊框之需求，有時會有配向層與膠框交疊的情 形，而導致膠框有滑膠、縮膠或斷膠的情形，造成顯示面板良率降低。
有鑑於此，目前亟需發展一種顯示面板，期能解決前述問題並同時達到窄邊框之目的。
本發明之主要目的係在提供一種顯示面板，俾能改善顯示面板中封裝單元因與配向膜重疊而造成封裝單元滑膠、縮膠或斷膠的情形的情形。
為達成上述目的，本發明之顯示面板包括：一第一基板；一第二基板，與第一基板相對設置且包括一顯示區及一週邊區；一封裝單元，環設於第一基板與第二基板之間，並對應於顯示區的外圍；以及複數凸起單元，設於第二基板之週邊區上，且分別具有面向第一基板之一頂面；其中，封裝單元具有一沿其長度方向之中心線，於距離中心線之兩側各0μm至200μm之一區域內係對應設置凸起單元，且於該區域之一單位面積下，凸起單元之頂面之面積總合佔單位面積之1%至5%。
於本發明之顯示面板中，較佳為，於距離該中心線之兩側各50μm至200μm之區域內對應設置凸起單元。此外，前述之單位面積可介於2,500μm2至40,000μm2之間。再者，封裝單元之寬度可介於800μm至1000μm之間。再者，封裝單元覆蓋凸起單元。
於本發明之顯示面板中，封裝單元可包括複數間隔單元，第二基板之顯示區上更設有一配向膜，且凸起 單元之高度係大於配向膜之厚度且小於間隔單元之粒徑。其中，配向膜之厚度可介於0.04μm至0.25μm之間；而間隔單元之粒徑可介於2μm至7μm之間。因此，凸起單元之高度較佳係介於0.2μm至7μm之間。
此外，於本發明之顯示面板中，兩相鄰之凸起單元間之距離係大於間隔單元之粒徑。較佳為，兩相鄰之凸起單元間之距離為2μm以上。
在此，間隔單元係可為一球狀間隔單元或一柱狀間隔單元。若間隔單元為柱狀間隔單元時，粒徑則指柱狀單元橫截面之直徑。
再者，於本發明之顯示面板中，第一基板及第二基板之其中一者為一上方設置有薄膜電晶體單元之基板，而另一者為一上方設置有彩色濾光單元之基板。或者，第一基板及第二基板之其中一者為一上方同時設置有薄膜電晶體單元及彩色濾光單元之基板。
此外，於本發明之顯示面板中，凸起單元之材料並無特殊限制，可為一絕緣材料或一光阻。
11‧‧‧第一基板
12‧‧‧第二基板
121‧‧‧凸起單元
121a‧‧‧頂面
122‧‧‧配向膜
13‧‧‧封裝單元
13a‧‧‧中心線
131‧‧‧間隔單元
A‧‧‧顯示區
B‧‧‧週邊區
D‧‧‧距離
D1,D21,D22‧‧‧寬度
H,H’‧‧‧高度
L1-L2‧‧‧剖面線
R‧‧‧區域
r‧‧‧粒徑
T‧‧‧厚度
圖1係本發明一較佳實施例之顯示面板示意圖。
圖2係本發明一較佳實施例之顯示面板剖面示意圖。
圖3係本發明一較佳實施例之顯示面板之部分示意圖。
圖4A係本發明一較佳實施例之顯示面板之部分剖面示意圖。
圖4B及圖4C係本發明一較佳實施例之凸起單元之剖面示意圖。
圖5係本發明一較佳實施例之顯示面板之部分剖面示意圖。
圖6係本發明另一較佳實施例之顯示面板之部分剖面示意圖。
圖7係本發明更一較佳實施例之顯示面板示意圖。
以下係藉由特定的具體實施例說明本發明之實施方式，熟習此技藝之人士可由本說明書所揭示之內容輕易地了解本發明之其他優點與功效。本發明亦可藉由其他不同的具體實施例加以施行或應用，本說明書中的各項細節亦可針對不同觀點與應用，在不悖離本創作之精神下進行各種修飾與變更。
圖1及圖2係分別為本發明一較佳實施例之顯示面板之上視圖及剖面示意圖。如圖2所示，本實施例之顯示面板之製作方法包括：提供一第一基板11及一第二基板12；以及以一封裝單元13組設第一基板11及第二基板12。因此，本實施例之顯示面板包括：一第一基板11；一第二基板12，與該第一基板11相對設置且包括一顯示區A及一週邊區B；以及一封裝單元13，環設於第一基板11及第二基板12間，並對應於第二基板12之顯示區A外圍。
於本實施例中，第一基板11及第二基板12間所形成的空間更填充一液晶材料，以作為一液晶顯示面 板；其中，第一基板11及第二基板12其中一者可為一上方設置有薄膜電晶體單元之薄膜電晶體基板而另一者可為一包括彩色濾光單元及黑色矩陣之彩色濾光基板；或者第一基板11及第二基板12其中一者可為一上方設置有薄膜電晶體單元及彩色濾光單元之陣列上彩色濾光膜(COA)基板而另一者可為一形成有黑色矩陣之基板。此外，於本發明之其他實施例中，第二基板12上也可設置有有機發光單元，以作為一有機發光二極體顯示面板。關於前述之第一基板11及第二基板12可具有本技術領域常見之用於液晶顯示裝置或有機發光二極體裝置之基板結構，故在此不再贅述。
圖3為本實施例之顯示面板之圖1區域R之示意圖，而圖4A則為沿圖1剖面線L1-L2之剖面示意圖。圖3及圖4A所示，本實施例之顯示面板更包括：複數凸起單元121，設於第二基板11之週邊區B上，且分別具有面向第一基板(圖未示)之一頂面121a。於本實施例之顯示面板之製作過程中，封裝單元13係沿著一中心線13a進行塗膠，而凸起單元121則設置於距離中心線13a之兩側各0μm至200μm之區域內；且封裝單元13之寬度D1係介於800μm至1000μm之間。此外，設置有凸起單元121之前述區域一單位面積下，凸起單元121之頂面121a之面積總合佔該單位面積之1%至5%。經由塗布封裝單元13及將第一基板11及第二基板12組設後，則可得到本實施例之顯示面板。因此藉由本發明凸起單元121的設置，且在凸起單元121頂面121a之面積總合佔該單位面積之1%至5%的情況下， 可有效防止膠框滑膠、縮膠或斷膠的情形
如圖3所示，於本實施例之顯示面板中，封裝單元13具有一沿其長度方向之中心線13a，於距離中心線13a之兩側各0μm至200μm之區域內係對應設置該等凸起單元121；更具體而言，於距離封裝單元13中心線13a兩側之距離D21,D22分別為0μm至200μm所形成之區域內係對應設置該等凸起單元121；較佳為，於距離封裝單元13中心線13a兩側之距離D21,D22分別為50μm至200μm所形成之區域內係對應設置該等凸起單元121；最佳為，於距離封裝單元13中心線13a兩側之距離D21,D22分別為130μm至180μm所形成之區域內係對應設置該等凸起單元121；更佳為，於距離封裝單元13中心線13a兩側之距離D21,D22分別約為150μm所形成之區域內係對應設置該等凸起單元121。
此外，如圖3及圖4A所示，於本實施例之顯示面板中，於設置有凸起單元121之前述區域之一單位面積下，凸起單元121之頂面121a之面積總合佔該單位面積之1%至5%；在此，單位面積係介於2,500μm2(50μm x 50μm)至40,000μm2(200μm x 200μm)之範圍內。於本實施例中，凸起單元121之截面係為一梯形；如圖4B之圖4A凸起單元121之放大圖所示，凸起單元121之截面係為一梯形，頂面面積即為上底(頂面121a)的面積；然而，本發明並不僅限於此，凸起單元121之截面可具有其他形狀，如長方形、正方形等，只要凸起單元121與第一基板(圖未示) 相對之頂面121a之總面積符合前述範圍即可。此外，圖4C係為本發明之另一較佳實施例之凸起單元121之剖面示意圖，其中所示之凸起單元121之截面係為一弧狀；於此情形下，若凸起單元121具有一高度H，則頂面121a面積則為90%高度H(即，高度H’)時所形成之截面之截面面積。
於本實施例中，如圖4A所示，封裝單元13可包括複數間隔單元131；藉由設置此間隔單元131可維持第一基板11及第二基板12間之間距。在此，間隔單元131可分別為一球狀間隔單元或一柱狀間隔單元。若間隔單元131為球狀間隔單元時，則具有一粒徑r；而若間隔單元131為柱狀間隔單元時，粒徑則指柱狀單元橫截面之直徑。
如圖3及圖4A所示，於本實施例之顯示面板中，兩相鄰之凸起單元121間之距離D係大於間隔單元131之粒徑r。一般而言，常用之間隔單元131之粒徑r係介於2μm至7μm之間；故於本實施例中，兩相鄰之凸起單元121間之距離D可為2μm以上，依所使用之間隔單元131之粒徑r而定。
此外，於本實施例之顯示面板中，凸起單元121之高度H係小於間隔單元131之粒徑r。一般而言，常用之間隔單元131之粒徑r係介於2μm至7μm之間；故於本實施例中，凸起單元121之高度H係小於2μm至7μm，依所使用之間隔單元131之粒徑r而定。
當本實施例之顯示面板為一液晶顯示面板(特別是，垂直配向型液晶顯示面板)時，第二基板12之上更設 有一配向膜，如圖5所示。一般而言，配向膜122係設置於如圖1之顯示區A上；然而，為了達到顯示區A最大化並使週邊區B有窄邊框之目的，有時配向膜122亦可能會形成在週邊區B上，如圖5所示。一般而言，若封裝單元13直接設於配向膜上或與配向膜部份重疊時，配向膜將會造成封裝單元13有滑膠、縮膠或斷膠的情形，而造成顯示面板之良率降低。然而，如圖5所示，本實施例藉由於第二基板11之週邊區B上設置凸起單元121，而可固定封裝單元13於週邊區B上的位置，而改善封裝單元13有滑膠、縮膠或斷膠的情形，而突破傳統產品封裝單元13(框膠)不能與配向膜122覆蓋的限制，達到窄邊框目的，並提高基板利用率。
於本實施例中，如圖5所示，為了達到封裝單元13覆蓋在配向膜122上時不會造成滑膠、縮膠或斷膠的情形，凸起單元121之高度H需大於配向膜122之厚度T。一般而言，配向膜122之厚度T係介於0.04μm至0.25μm之間；故凸起單元121之高度H係大於0.04μm至0.25μm，依所使用之配向膜122之厚度T而定。
圖6係本發明另一較佳實施例之顯示面板之部分剖面示意圖。本發明之另一較佳實施例之顯示面板係與前述實施例之顯示面板相同，除了前述實施例之顯示面板中凸起單元121係以一不規則方式排列(如圖5所示)，而本發明另一較佳實施例之顯示面板中凸起單元121係以規則方式排列(如圖6所示)。
圖7係本發明更一較佳實施例之顯示面板示意圖。本發明之更一較佳實施例之顯示面板係與前述實施例之顯示面板相同，除了前述實施例之顯示面板係為一方型顯示面板，而本發明更一較佳實施例之顯示面板係為一具有圓弧形邊框之顯示面板。
於本發明前述所有實施例之顯示面板中，凸起單元之形成並無特別限制，可使用一絕緣材料與絕緣層一同形成、使用一光阻材料與彩色濾光單元一同形成、或使用一光敏材料與間隔物(photo spacer,PS)一同形成。然而，本發明並不僅限於此。
此外，本發明前述實施例所製得之顯示面板，可應用於本技術領域已知之任何需要顯示螢幕之電子裝置上，如顯示器、手機、筆記型電腦、攝影機、照相機、音樂播放器、行動導航裝置、電視等。
上述實施例僅係為了方便說明而舉例而已，本發明所主張之權利範圍自應以申請專利範圍所述為準，而非僅限於上述實施例。
12‧‧‧第二基板
121‧‧‧凸起單元
13‧‧‧封裝單元
13a‧‧‧中心線
A‧‧‧顯示區
B‧‧‧週邊區
D1,D21,D22‧‧‧寬度

Claims (10)

  1. 一種顯示面板，包括：一第一基板；一第二基板，與該第一基板相對設置且包括一顯示區及一週邊區；一封裝單元，環設於該第一基板與該第二基板之間，並對應於該顯示區的外圍；以及複數凸起單元，設於該週邊區上，且分別具有面向該第一基板之一頂面；其中，該封裝單元具有一沿其長度方向之中心線，於距離該中心線之兩側各0μm至200μm之一區域內係對應設置該等凸起單元，且於該區域之一單位面積下，該等頂面之面積總合佔該單位面積之1%至5%。
  2. 如申請專利範圍第1項所述之顯示面板，其中於距離該中心線之兩側各50μm至200μm之區域內係對應設置該等凸起單元。
  3. 如申請專利範圍第1項所述之顯示面板，其中該單位面積係介於2,500μm2至40,000μm2之間。
  4. 如申請專利範圍第1項所述之顯示面板，其中該封裝單元之寬度係介於800μm至1000μm之間。
  5. 如申請專利範圍第1項所述之顯示面板，其中該封裝單元包括複數間隔單元，該第二基板之該顯示區上更設有一配向膜，且該等凸起單元之高度係大於該配向膜之厚度且小於該等間隔單元之粒徑。
  6. 如申請專利範圍第5項所述之顯示面板，其中該等間隔單元係分別為一球狀間隔單元或一柱狀間隔單元。
  7. 如申請專利範圍第5項所述之顯示面板，其中該配向膜之厚度係介於0.04μm至0.25μm之間。
  8. 如申請專利範圍第5項所述之顯示面板，其中該等間隔單元之粒徑係介於2μm至7μm之間。
  9. 如申請專利範圍第5項所述之顯示面板，其中兩相鄰之該等凸起單元間之距離係大於該等間隔單元之粒徑。
  10. 如申請專利範圍第1項所述之顯示面板，其中該等凸起單元之材料係為一絕緣材料或一光阻。
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CN105470410B (zh) * 2016-02-24 2018-05-29 上海天马有机发光显示技术有限公司 一种显示面板及其封装方法
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