TWI282478B - Amorphous silicon thin film transistor-liquid crystal display device and method of manufacturing the same - Google Patents

Amorphous silicon thin film transistor-liquid crystal display device and method of manufacturing the same Download PDF

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Publication number
TWI282478B
TWI282478B TW091133519A TW91133519A TWI282478B TW I282478 B TWI282478 B TW I282478B TW 091133519 A TW091133519 A TW 091133519A TW 91133519 A TW91133519 A TW 91133519A TW I282478 B TWI282478 B TW I282478B
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Taiwan
Prior art keywords
electrode
gate
thin layer
transistor
region
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TW091133519A
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English (en)
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TW200307167A (en
Inventor
Dong-Gyu Kim
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Samsung Electronics Co Ltd
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Publication of TWI282478B publication Critical patent/TWI282478B/zh

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1345Conductors connecting electrodes to cell terminals
    • G02F1/13454Drivers integrated on the active matrix substrate
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/13439Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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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    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers
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    • G09G3/3677Details of drivers for scan electrodes suitable for active matrices only
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    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C19/00Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/28Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H01L27/1222Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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    • H01L27/12Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H01L27/124Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H01L27/1248Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition or shape of the interlayer dielectric specially adapted to the circuit arrangement
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/66007Multistep manufacturing processes
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    • H01L29/66227Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
    • H01L29/66409Unipolar field-effect transistors
    • H01L29/66477Unipolar field-effect transistors with an insulated gate, i.e. MISFET
    • H01L29/66742Thin film unipolar transistors
    • H01L29/6675Amorphous silicon or polysilicon transistors
    • H01L29/66765Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
    • H01L29/66Types of semiconductor device ; Multistep manufacturing processes therefor
    • H01L29/68Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
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    • H01L29/772Field effect transistors
    • H01L29/78Field effect transistors with field effect produced by an insulated gate
    • H01L29/786Thin film transistors, i.e. transistors with a channel being at least partly a thin film
    • H01L29/78651Silicon transistors
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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    • G02F1/136227Through-hole connection of the pixel electrode to the active element through an insulation layer
    • GPHYSICS
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    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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    • G02F1/136286Wiring, e.g. gate line, drain line
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    • G02F2201/123Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
    • GPHYSICS
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    • G02F2202/103Materials and properties semiconductor a-Si
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    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/04Structural and physical details of display devices
    • G09G2300/0404Matrix technologies
    • G09G2300/0408Integration of the drivers onto the display substrate

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Ceramic Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
  • Thin Film Transistor (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

1282478 玖、發明說明 (發明說明應敘明:發明所屬之技術領域、先前技術、内容、實施方式及圖式簡單說明) C發明所屬之技術領域2 發明領域 此揭示發明係論及一種液晶顯示器(“LCD”)裝置和其 製作方法,以及係特別論及一其中有一閘極驅動電路積 體被製作於一非晶矽薄膜電晶體(“TFT”)基體上面之非晶 石夕薄膜電晶體液晶顯示器裝置(“TFT-LCD”),和其之製作 方法。
t先前技術J 10 發明背景 在此資訊時代中,隨著資訊傳輸媒體和各種電子顯示 裝置之廣泛應用於工業設備和家用電器,彼等電子顯示裝 置正變得日益重要。此種電子顯示裝置,係不斷受到改進 ,使具有一些能適合資訊界之不同需求的新功能。 15 通常,彼等電子顯示裝置,可顯示及傳送各種資訊段 ,給一些要利用此等資訊之使用者。亦即,該等電子顯示 裝置,可將彼等電子設備所輸出之電氣資訊信號,轉換成 彼等使用者可透過彼等之眼睛加以辨認的光波資訊信號。 彼等電子顯示裝置,可被分類成-發射型顯示裝置之 類型,和-非發射型顯示裝置之類型,其中,一發射型顧 示裝置,係透過-光發射現象,來顯示一些光波資訊信號 、’以及一非發射型顯示裝置,係透過-反射、散射、或干 汐作用乾„負不6亥等光波資訊信號。上述發射型顯示裝置 之類型,舉例而言,可能包括:-陰極射線管(“CRT”)、 20 1282478 玖、發明說明 一電漿顯示面板(“PDP”)、一光發射二極體(“LED,,)、和/或 一電致發光顯示器(“ELD”)。彼等發射型顯示裝置,亦被 稱作主動性顯示裝置。 該等亦被稱作被動性顯示裝置之非發射型顯示裝置, 5舉例而言,可能包括·· 一液晶顯示器(“LCD”)、一電化學 顯示器(“ECD”)、和/或一電泳影像顯示器(“EpiD,,)。 CRT早已被通用作一電視接收顯示器和一電腦所需之 監視态。CRT由於其通常具有一相當高之品質和低製作成 本,已被使用有一段很長之時間。然而,CRT係具有某些 1〇類似重量笨重、體積龐大、和功率消耗高等為例之缺點。 近年來,有關對一些先進電子顯示器裝置之要求,已 導致大幅關注於一些類似平板顯示器等之裝置,彼等可提 供一些包括厚度薄、重量輕、驅動電壓低、和功率消耗低 等優異之特性。此種平板顯示器裝置,可依據一先進之半 15 導體技術,來加以製作。 在該等平板裝置中,一液晶顯示器(“LCD”)裝置,業 已廣泛被利用於多種電子裝置中,因為LCD裝置可提供一 薄厚度和低功率消耗,同時可保持-大約可與CRT者相抗 衡之相當而的顯示品質。此外,LCD裝置可在一低驅動電 2〇壓下運作,以及可輕易被製作成,以致LCD裝置已廣泛被 使用於多種之電子設備中。 LCD典型地係包括兩個基體,每—基體係具有一電極 ,其間係4有-液晶層。在_LCD中,係有—電壓施加橫 跨該等電極兩端,藉以使其液晶分子重新對齊’以及控制 1282478 玖、發明說明 光波穿過該等分子之量。 就一典型之LCD而言,其裝置典型地係包括兩個形成 在母一基體上面之電極’和一可切換一施加至每一電極之 電壓的薄膜電晶體。通常,此薄膜電晶體,係形成在兩基 5 體中的一個上面。 該等在一圖素區域中利用薄膜電晶體之LCD裝置類型 ,可被分類成一非晶矽型TFT-LCD,和一多晶石夕型TFT_ LCD。一多晶裝置,係具有一相當低之功率消 耗和成本,但此多晶矽型TFT-LCD之製作程序,係較一非 10晶矽型tft-lcd裝置為複雜。因此,多晶矽1^丁丄(:1),主 要係使用在一些類似行動電話等為例之小型顯示器中。一 非晶矽TFT-LCD,係適合大型之顯示器,以及係具有一高 產率,以致其係被用於一具有大螢幕之顯示器,舉例而言 ,諸如筆記型個人電腦(“PC,,)、LCD監視器、高晝質電視 15 (“HDTV”)接收監視器、等等。 誠如第1圖中所示,就一典型之多晶矽TFT_LCD裝置 而a ’在一上面形成有一些圖素陣列之玻璃基體1〇上面, 係形成有一資料驅動電路和一閘極驅動電路14。其一端 子16係透過一薄膜纜線18,連接至一積體印刷電路板 (“PCB’’)2〇。此一結構可藉由積體製作其驅動電路,而降 低其之製作成本,以及極小化其之功率損失。 誠如第2圖中所示,就一典型之非晶矽tft_lcd裝置 而吕,其一資料驅動晶片34,係藉由一晶片上薄膜 (C〇F”)法,形成在一撓曲性pcB 32上面,以及其一資料 1282478 玖、發明說明 PCB 36,係透過此撓曲性PCB 32,連接至一圖素陣列之資 料線端子。此外,其一閘極驅動晶片40,係藉由上述之 COF法,形成在一撓曲性PCB 38上面,以及其一閘極PCB 42,係透過此撓曲性PCB 38,連接至一圖素陣列之閘極線 5 端子。 有一新近被建議之方法,係一種積體製作式PCB之技 術,其中係將一閘極電源供應器,安裝在一資料PCB上面 ,藉以消除一閘極PCB。韓國專利公報第2000-66493號, 揭示了 一種採用一可自其移除閘極PCB之積體製作式PCB 10 的LCD模組。 然而,即使是採用上述之積體製作式PCB,一其上形 成有一閘極驅動電路之撓曲性PCB,係仍要被使用。因此 ,由於一要在一玻璃基體上面組合多數撓曲性PCB之程序 ,係在彼等非晶矽TFT-LCD裝置之製作中被完成,其一外 15 部引線接合(“OLB”)程序,相較於上述之多晶矽TFT-LCD ,係更為複雜,因而提高了其之製作成本。 【發明内容】 發明概要 此揭示實施例,提供了一種非晶矽TFT-LCD裝置,其 20 中有一閘極驅動電路,積體製作在一非晶矽TFT基體上面 。此揭示發明亦提供了 一種可製作一其中有一閘極驅動電 路被積體製作在一非晶矽TFT基體上面之非晶矽TFT-LCD 裝置的方法。 在其所提供之一實施例中,一非晶矽TFT-LCD裝置, 1282478 玖、發明說明 係包括-絕緣基體,其係具有一其上形成有一圖素陣列之 顯不區域,和一其上形成有多數移位暫存器之驅動電路區 域有閘極樣式,係形成在其基體上面,以及係包括一 閘極線和-閘極電極。其閘極絕緣薄膜上面,係形成有一 5主動性薄層樣心以及該等基體和主動性薄層樣式上面, 係形成有一資料樣式。此資料樣式係包括··一與其主動性 薄層樣式之第一區域相接觸的源極電極、一與其主動性薄 層樣式之第二區域相接觸的汲極電極、和-連接至此沒極 電極之貝料線。其一鈍化薄層,係形成在上述包括其資料 樣式之基體上面,以及係具有··一可暴露其顯示區域之沒 極電極的第-接點孔、一可暴露每一移位暫存器之第一電 日日體的閘極電極之第二接點孔、和一可暴露其第一電晶體 之源極與沒極電極的第三接點孔。其一電極樣式,係形成 在其鈍化薄層上面,以及係包括一可透過其第一接點孔連 15接至其顯示區域之汲極電極的第一電極,和一可使其閘極 電極透過其第一和第二接點孔與其第一電晶體之源極和沒 極彼此相連接的第二電極。 20 此外,此揭示發明之一實施例,在實現上係藉由一非 晶石夕tft.lcdm,錢n隸體·成,後者係包 括一其上形成有多數閘極線和資料線之顯示區域,和一閘 極驅動電路區域。在其閘極驅動電路區域之基體上面,係 形成有-些移位暫存器,彼料包括許多具有_閘極電極 和一些源極和汲極之薄膜電晶體。此等移位暫存器,可循 序地選擇彼等閘極線。有-些主接線,係佈置在其間極驅
9 1282478 玖、發明說明 . 10 15 20 動電路區域之基體上面,可將一信號施加給每一移位暫存 器,以及係自其第一移位暫存器至最後之移位暫存器,由 同一層所形成。其一鈍化薄層,係形成在其包括移位暫存 為和主接線之基體上自,以及係具有:一可部份暴露其顯 不區域之資料線的第一接點孔、一可暴露每一移位暫存器 之第一電晶體的閘極電極的第二接點孔、和一可暴露其第 一電晶體之源極與汲極電極的第三接點孔。其一電極樣式 係形成在其鈍化薄層上面,以及係包括一可透過其第一 接點孔連接至其顯示區域之資料線的第—電極,和一可使 其閘極電極透過其第二和第三接點孔與其第一電晶體之源 極和汲極彼此相連接的第二電極。 其亦提供有一可製作一非晶矽TFT-LCD裝置之方法。 广包括閘極線和閘極電極之閘極樣式形成在一具有一 其上形^有—圖素陣列之顯示區域和-其上形成有多數移 ^暫存⑨之驅動電路區域的絕緣基體上面後,其—問極絕 緣/專膝’係形成在上述包括閘極樣式之基體上面。其-主 —曰樣式係形成在其閘極電極上方之閘極絕緣薄膜 "貝料樣式,係形成在其基體和主動性薄層樣式 上面。此資料樣式係包括一與其主動㈣層樣式之第一 _相接觸的源極電極、—與其主動性薄層樣式之第二區 二妾觸m電極、和_連接至此汲極電極之資料線。 =一鈍化薄層形成在其包括資料樣式之基體上面後,該 昊’广4層和問極絕緣薄膜,將會受侧,以形成一^ 暴路其顯示區域之㈣電極的第-接點孔一可暴露每- 10 1282478 玖、發明說明 移位暫存器之第-電晶體的間極電極之第二接點孔、和一 可暴露其第-電晶體之源極與沒極電極的第三接點孔。其 後:其-電極樣式,係形成在其純化薄層上面,此電極樣 式係包括可透過其第—接點孔連接至其顯示區域之沒極 5電極的第—電極,和一可使其閉極電極透過其第二和第三 妾.’έ孔 >、其第電曰曰體之源極和汲極彼此相連接的第二電 〇 此外,其提供有一可製作一其中形成有 10 15 非晶石夕TFT_LCD裝置的方法。其閘極樣式,係形成在一具 有一其上形成有-圖素陣列之顯示區域和_其上形成有多 數移位暫存n之驅動電路區域的絕緣基體上面,在將一間 極絕緣薄膜形成在上述包括其閘極樣式之基體上面後,其 係使用-光罩,在此閘極絕緣薄膜上面,形成—主動性薄 層樣式和-資料樣式。此資料樣式係包括:一與其主動性 薄曰樣式之第-區域相接觸的源極電極、—與其主動性薄 層樣式之第二區域相接觸的汲極電極、和-連接至此汲極 電極之資料線。其-聽薄層係形成在上述包括其資料樣 式之基體上面,該等鈍化薄層和閘極絕緣薄膜,將會受到 蝕刻以形成一可暴露其顯示區域之汲極電極的第一接點 々、一可暴露每一移位暫存器之第一電晶體的閘極電極之 H點孔、和_可暴露其第—電晶體之源極與汲極電極 的第二接點孔。接著,有-電極樣^,會形成在其純化薄 層上面,此電極樣式係包括一可透過其第一接點孔連接至 其顯不區域之汲極電極的第_電極,和—可使其閘極電極 20 1282478 玖、發明說明 透過其第一和弟三接點孔與其第一電晶體之源極和沒極彼 此相連接的第二電極。 依據此揭示發明之非晶石夕TFT-LCD裝置,毋須額外之 程序,其包括移位暫存器和接線之閘極驅動電路,便可被 積體製作在其上形成有一圖素陣列之絕緣基體上面。亦即 ,數片可由相同材料構成之薄層,係使由同_薄層來形成 、:因而可減少其光罩之數目。此外,其圖素電極所需之傳 導性薄膜,可使其閘極電極與其構成閘極驅動電路中之移 位暫存器的第一電晶體之源極和汲極彼此相連接,因而可 10 簡化其之製作程序。 此外,其可施加一信號給每一移位暫存器之主接線, 係由其自第一移位暫存器至最後之移位暫存器的同一薄層 所形成,以致此主接線之電阻值,可使極小化,而增加其 非晶矽TFT-LCD之場效應移動率。 15 圖式簡單說明 此揭示發明以上和其他之特徵和優點,將藉由下文配 合所附諸圖對其較佳實施例之詳細說明,而更臻明確,其 中: 第1圖係一可示意例示一傳統式多晶矽TFT-LCD裝置 20 之平面圖; 第2圖係一可示意例示一傳統式非晶石夕tfT-LCD裝置 之平面圖; 苐3圖係一依據此揭示發明之一實施例將一些移位暫 存器施加至一非晶石夕TFT-LCD裝置中之閘極驅動電路區域 12 1282478 玖、發明說明 的電路圖; 第4圖係第3圖之移位暫存器的一個方塊圖; 第5圖係一依據此揭示發明之一實施例的非晶矽TFT_ LCD裝置之剖視圖; 5 第6圖係一依據此揭示發明之一實施例的非晶矽TFT- LCD裝置之閘極驅動電路區域的平面圖; 第7圖係一依據此揭示發明之一實施例的非晶%tft_ LCD裝置之顯示區域的平面圖;而 第8A至11B圖係一些可例示一依據此揭示發明之一實 10施例的非晶矽TFT-LCD裝置之製作方法的平面圖。 L·實施方式1 較佳實施例之詳細說明 就依據此揭示發明之一實施例的非晶石夕tft-LCD裝 置型之乾例而言,其一方法在提供上,係可使其驅動電路 15和圖素陣列,同時形成在一基體上面,因而可使其組合處 理步驟之數目,降低至與一多晶矽TFT-LCD裝置類型者相 當之數目。T文中,將參照其所附諸圖,詳細說明此揭示 發明之一較佳實施例。 第3圖係一依據此揭示發明之一實施例將一移位暫存 2〇器施加至一非晶矽TFT-LCD裝置中之閘極驅動電路區域的 電路圖。第4圖係第3圖之移位暫存器的一個方塊圖。 參照第3和4圖,其閘極驅動電路,係具有多數從屬地 連接之移位暫存器(SRl,SR2,."SRi93)。亦即,每一移位暫 存器之輪出端子(“0UT”),係被連接至其次一移位暫存器 13 1282478 玖、發明說明 其下拉驅動區段196,係連接至其下拉區段192之輪入 節點,而使其可響應上述輸入信號之結束,來啟通其下拉 區段192,以及可響應其次一移位暫存器之輸出信號的結 束,來啟斷其下拉區段192。 5 其上拉區段190係包括:一具有一連接其時鐘信號輸 入端子CK之汲極的第一驅動電晶體T1、一連接至第三節 點N3之閘極、和一連接至其輸出端子〇UT2源極。 其下拉區段192係包括:一具有一連接其輸出端子 OUT之汲極的第二驅動電晶體Τ2、一連接至其第四節點^^ 10之閘極、和一連接至其時鐘信號輸入端子CK之源極。 其上拉驅動區段194,係包括一電容器c,和三個控制 電晶體T3、T4、和T5。其電容器C係連接於該等第三節點 N3與輸出端子〇UT之間。其一第三控制電晶體丁3係具有: 一連接至其第二電源VDD之汲極、一連接至其輸入端子爪 15之閘極、和一連接至其第三節點N3之源極。其一第四控制 電晶體T4係具有:一連接至其第三節點N3之汲極、一連 接至其控制端子CT之閘極、和一連接至其第一電源VSS之 源極。其一第五控制電晶體T5係具有:一連接至其第三節 點N3之汲極、一連接至其第四節點^^之閘極、和一連接 20 至其第一電源VSS之源極。 其下拉驅動區段196,係包括兩個控制電晶體T6和T7 。其第六控制電晶體T6之汲極和閘極,係共同連接至其第 二電源VDD’同時’此第六控制電晶體T6之源極,係連接 至其第四節點N4。其第七控制電晶體T7係具有··一連接 15 1282478 玖、發明說明 114上面,係佈置有一些包括第一摻雜區域 第二摻雜區域118b和118d、和一些形成於此等第一摻雜區 域與第二摻雜區域間之通道區域116a和116b的主動性薄層 樣式。其通道區域116a和116b,係由一非晶矽所構成,以 5及係具有一大約200A之厚度,以及其第一和第二摻雜區域 118a' 118b、118c、和118d,係由一η·型非晶矽所構成, 以及係具有一大約5〇〇Α之厚度。 10 15 20 彼等資料樣式 120a、120b、12〇c、I20e、12〇f、120h 、和120i,係佈置在該等主動性薄層樣式上面。此等資料 樣式係包括:一些分別與該等第一摻雜區域丨丨“和丨丨以相 接觸之源極電極12Ga和12Ge、-些分別與該等第二捧雜區 域118b和118d相接觸之源極電極12(^和n〇e之汲極電極 120b和120f、和一連接至該等源極電極丨加和丨心及在形 成上垂直於其閘極線112g之資料線12〇i。 電極⑽的上方,係佈置有-由_其間嵌有上㈣極^ 薄膜114之資料樣式中的同—薄層所構成之電容器的上部 電極120e。在該等顯示區域與閘極驅動電路區域間之塾片 區域上面,係形成有一由其資料樣式中之同一薄層所構成 之資料墊片12(Μ°此等資料樣式120a、⑽、12〇e、120d 、120e、120f、和 i2〇p,屏虹於· 8取好係由一厚度大約1500A至大 約4000A之鉻(“Cr”)薄膜來構成。 上述由其間極驅會^雷▼欠p > 勒玉路£域之溥膜電晶體所構成之閘 極電極ii2d ’係形成為_框結構,以及該等源極和汲極電 極120e和120f,係形忐盔 々 成為一夕通道之叉指型結構。在彼此 17 1282478 玖、發明說明 區域中,或使位於此封合線下方,藉以避免上述封合線暴 露在一外在大氣中所造成之金屬腐蝕。 在一傳輸型LCD裝置中,該等電極樣式14〇和142,係 由一透明傳導性薄膜所形成,舉例而言,一銦錫氧化物 5 薄膜,或一銦鋅氧化物(“IZ〇,,)薄膜。在一反射型 LCD裝置中,該等電極樣式係由一具有高反射率之不透明 傳導性薄膜所形成,舉例而言,鋁合金薄膜或銀薄膜。 下文中,將參照其所附諸圖,詳細說明一依據此揭示 發明之非晶矽TFT-LCD裝置的製作方法。 1〇 第8A至11B圖係一些可解釋一依據此揭示發明之非晶 石夕TFT-LCD裝置的製作方法之平面圖。在此,每一標示 A之數子,係一可例示一閘極驅動電路區域中之單元操 作程序的平面圖,以及每一標示“B”之數字,係一可例示 一顯示區域中之單元操作程序的平面圖。 15 參照第8A和8B圖,一厚度約為50〇A之鉻(“Cl·,,)薄層和 厚度約為2500A之鋁-歛(“AINd”)薄層所組成的金屬薄膜, 係澱積在一由類似玻璃、石英、或陶瓷等絕緣材料所組成 之基體上面。接著,此金屬薄膜,係使用一第一光罩,透 過一照相平版印刷程序,來加以樣式化,藉以形成一些閘 20 極樣式112。 其顯示區域中之閘極樣式U2係包括··一佈置在一第 一方向(例如,水平方向)中之閘極線U2g、一佈置在此等 相鄰閘極線112g間而在排列上與此等閘極線丨12§相平行之 電容器下部接線112h、一與此電容器下部接線相重疊及形 21 1282478 玖、發明說明 m 8) ’係使用—第二光罩,透過_照相平版印刷程 序,形成在其閘極絕緣薄膜114上面。特言之,一非晶矽 薄膜,係藉由PECVD,殿積在其閘極絕緣薄膜114上面, 而達一大約2000A之厚度,以及非晶石夕薄膜,係藉由 V〇瓜積在上述之非晶石夕薄膜上面,而達一大約 5〇〇A之厚m,其使用上述之第二光罩,透過一照相 平版印刷程序,來樣式化該等薄膜,藉以形成該等包括一 由非sa石夕薄膜所構成之通道區域i〗6和一些由η'非晶石夕薄 膜所構成之第一和第二摻雜區域(例如,源極和汲極區域 w )118的主動性薄層樣式。在此,該等連接至其閘極驅動電 路區域之輸出端子的第一和第二驅動電晶體之主動性薄層 樣式,係具有一寬於該等第三至第七控制電晶體之主動性 薄層樣式者的線。 接著’在其包括主動性樣式116和118之基體的整個表 15面上,澱積一厚度約1500Α之鉻(“Cr,,)薄膜後,此鉻薄膜 係使用一第三光罩,透過一照相平版印刷程序,來加以樣 式化。結果,會有一些資料樣式12〇形成,彼等係包括一 佈置在一垂直於其閘極線112g之第二方向(例如,垂直方 向)的資料線120i,和一些分別與該等第一和第二摻雜區域 20 118&和118b相重疊之源極和汲極電極12〇&和12〇b。在此, 為確保有充分之容量,該等汲極電極12〇1)在形成上,係如 第9A和9B圖中所示,與其電容器下部電極112i相重疊。 誠如第9A圖中所示’一與其閘極塾片丨丨2C相鄰之資料 塾片120d ’係形成在其閘極驅動電路區域上面。此等閘極 23 1282478 玖、發明說明 塾片112c和資料塾片12〇d,係藉由一可與其顯示區域之圖 素電極一起形成之接點樣式,彼此形成電氣連接。此外, 在其閘極驅動電路區域之基體上面,上述由其資料樣式 120中之同一薄層所構成的支接線16〇,在形成上係與其主 5接線150相交。為降低其主接線150之電容值,其支接線 160在該等支接線160和主接線15〇彼此相交處之部分,在 形成上係具有一窄線寬。 母佈置在其閘極驅動電路區域中之移位暫存器的第 一驅動電晶體T1和第二驅動電晶體T2之源極和汲極電極 10 120e*120f,在形成上最好係具有一叉指型結構。換言之 ,該等偶數電極120e,係共同連接至其右側汲極墊片,以 及該等奇數電極120f,係共同連接至其左侧源極墊片。該 等偶數電極120e,係佈置在該等奇數電極12〇f之間。該等 第一驅動電晶體T1和第二驅動電晶體T2之源極和汲極電極 15 12以和12时的叉指型結構,將會增加其有限面積内之驅動 電晶體的通道寬度,以致其由非晶矽所構成之電晶體的驅 動邊力’將可充分地得以確保。 參照第10A和10B圖,在以上所述形成該等資料樣式 !2〇和支接線16〇之後,在其最終結構之整個表面上,係形 2〇成有一鈍化薄層130。此鈍化薄層130係由一類似氧化矽、 鼠化矽、或彼等之結合體等無機絕緣材料、或一光敏性有 機絕緣材料所形成。 接者,δ亥鈍化薄層13 〇,係使用一第四光罩,透過一 照相平版印刷程序,而部份地使餘刻掉,藉以形成彼等接 24 1282478 玖、發明說明 在上述之光罩中,彼等光屏蔽區域係對應於彼等源極 、汲極、和通道區域,以及彼等光透射區域,係對應於其 他區域特0之,該等通道區域與源極區域間之光透射區 域,和該等通道區域與汲極區域間之光透射區域,係具有 - 5 -狹縫結構。由於通過此等狹縫之光波會被繞射,此等狹 . 縫之間隙,係加以控制使較窄於其通道區域。其通過此狹 縫之紫外線,將會被繞射,而曝露出上述位於其通道區域 上面之光敏性薄膜。同時另一區域暴露出之光敏性薄膜, 將會暴露至該等UV射線。 · 1〇 此暴露之光敏性薄膜,將會被顯影,以形成一光敏性 樣式,其中,一對應於其通道區域之部分,將會被移除而 達一預定之深度。當使用此光敏性樣< ,作為一餘刻光罩 ’來執行其乾姓刻程序時,其上無光敏性薄膜之暴露的金 屬薄膜將會被塗敷,以及其下層之本徵性非晶石夕薄膜和非 15本徵性非晶石夕薄膜,將會被移除。此時,其通道區域上面 之光敏性薄膜樣式亦會被移除,因為其在顯影程序期間, 係具有-極薄之厚度。 _ 其次,其通道區域之暴露的金屬薄層,和其下層之非 本徵性非晶梦薄膜,將會藉由__選擇性刻㈣被完^料 w,同時’其下層之本徵性非㈣薄膜,將會被移除而達 預定之深度。其後,該等源極和没極區域上面之光敏性薄 - 膜樣式,將會使用-光罩程序來加以移除,而同時形成該 - 等包括源極和汲極電極之主動性樣式和資料樣式。 依據以上所描述之揭示發明,毋須一額外之程序,便 27 1282478 玖、發明說明 可將其包括移位暫存器和接線之閑極驅動電路,積體製作 至其上形成有-圖素陣列之絕緣基體上面。亦即,數層可 由相同之材料構成的薄層,係由同一薄層所形成,㈣可 減少其光罩之數目。此外,彼等圖素電極有關之傳導性薄 5膜’可使上述由其閘極驅動電路中之移位暫存器所組成的 第一電晶體之源極和沒極電極,彼此相連接,因而可簡化 其製作程序。 此外,其可施加信號給該等移位暫存器之主接線,自 其第-移位暫存器至最後之移位暫存器,係由同一薄層形 10成,以致其主接線之電阻,可使極小化,而增加其非晶石夕 TFT-LCD之場效應移動率。 雖然業已描述了此揭示發明之範例性較佳實施例,理 應瞭解的是,此揭示發明不應受限於此等較佳實施例,本 技藝之專業人員,將可在此揭示内容和下文之申請專利範 15圍的精神與界定範圍内,完成各種之變更形式和修飾體。 【圖式簡單彰L明】 此揭示發明以上和其他之特徵和優點,將藉由下文配 合所附諸圖對其較佳實施例之詳細說明,而更臻明確,其 中: 20 第1圖係一可示意例示一傳統式多晶矽TFT-LCD裝置 之平面圖; 第2圖係一可示意例示一傳統式非晶矽tfT-LCD裝置 之平面圖; 第3圖係一依據此揭示發明之一實施例將一些移位暫 28 1282478 玖、發明說明 118b,118d···第二摻雜區域 120a…源極電極 120a,120b,120c,120e,120f, 120g,120h,120i…資料樣式 120b…汲極電極 120d···資料墊片 130···鈍化薄層 140···圖素電極(第一電極) 140,142,143···電極樣式 142···第二電極 143…第三電極 144···第四電極 150···主接線 160···支接線 190···上拉區段 192···下拉區段 194···上拉驅動區段 19 6…下拉驅動區段
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Claims (1)

1282478 拾、申請專利範圍 1· 一種非晶矽薄膜電晶體液晶顯示器裝置,其係包括: 一絕緣基體,其係包括一其上形成有一圖素陣列 之顯示區域,和一其上形成有多數移位暫存器之驅動 電路區域; 一些閘極樣式,彼等係形成在其基體上面,此等 閘極樣式,係包括一閘極線和一閘極電極; 一主動性薄層樣式,其係形成在其閘極絕緣薄膜 上面; 一些資料樣式,彼等係形成在該等基體和主動性 薄層樣式上面,此等資料樣式係包括··一與其主動性 薄層樣式之第一區域相接觸的源極電極、一與其主動 陡薄層樣式之第二區域相接觸的汲極電極、和一連接 至此沒極電極之資料線; 一鈍化薄層,其係形成在上述包括資料樣式之基 體上面,此鈍化薄層係具有··一可暴露其顯示區域之 汲極電極的第一接點孔、一可暴露每一移位暫存器之 第電晶體的閘極電極之第二接點孔、和一可暴露其 第一電晶體之源極與汲極電極的第三接點孔;和 些電極樣式,彼等係形成在其鈍化薄層上面, 以及係包括-可透過其第一接點孔連接至其顯示區域 线極電極的第-電極,和一可使其閘極電極透過其 第二和第三接點孔與其第-電晶體之源極和汲極相連 接的第二電極。 2.如申請專利範圍第1項之裝置,其進一步係包括一些佈 31 1282478 5 10 15 20 拾、申請專利範圍 置在其驅動電路區域之基體上面的主接線,彼等可施 加信號給每-移位暫存器,此等移位暫存器之主接線 ,係由一單一薄層所形成。 3·如申請專利範圍以項之裝置,其進—步係包括一些佈 置在其驅動電路區域之基體上面而與該等主接線相交 的支接線,彼等可使該等主接線,連結至其驅動電路 區域中之每一移位暫存器的一個電晶體。 4·如申請專利範圍第3項之裝置,其中之支接線在該等支 接線與主接線彼此相交之處的部分,係具有一較其主 接線為窄之線寬度。 5. 如申請專利範圍第3項之裝置,其中之主接線係由一 不同於其支接線之薄層所形成。 6. 2請專利範圍第5項之裝置,其中之主接線,係由— 二同該等間極樣式中之薄層所形成,而該等主接線, 係由-如同該等資料樣式中之薄層所形成。 •=請專利範圍第5項之裝置,其中之主接 如同該等資料揭斗、 田 係由—I 中之薄層所形成’而該等主接線, 、 等間極樣式中之薄層所形成。 .如申請專利範圍第3項之裝 —步包括_第_^ 〃中之電極樣式,係進面之第四接^ 其係透過—形成在—主接線上 點孔,使—和—形成在一支接線上面之第五接 主接線與一支接線相連接。 •如申請專利範圍第8項之裝置,呈中之 孔,係具有一妒兮玺士 ,、 四和弟五接點 車乂该專支接線之線寬度為大的尺度。
32 I282478 拾、申請專利範圍 〇.如申請專利範圍第旧之裝置,其中之驅動電路區域中 的驅動電晶體之開極電極,係具有一框結構,以及盆 之源極和沒極,係具有一叉指型結構。 ’、 申明專利範圍第1項之裝置,其中進-步係包括一電 ™下α卩電極,其係形成在其顯示區域之基體上面, 、及係與其閘極線平行相隔,此電容器下部電極,係 由如同該等閘極電極中之薄層所形成。 12·—種非晶石夕薄膜電晶體液晶顯示器裝置,其係包括: 10 15 20 一絕緣基體’其係包括-其上形成有多數問極線 #夕數貝料線之顯示區域’和_閘極驅動電路區域; 多數之移位暫存器,彼等係形成在其開極驅動電 路區域上面’此等移位暫存器,係包括許多具有一閉 極電極和-些源極和没極電極之薄膜電晶體,此等移 位暫存器,係接續地選擇多數之間極線; 二主接線,彼等係佈置在其閘極驅動電路區域 土 _ Φ #以;fc加信號給每_移位暫存器,此等 移位暫存盗之主接線,係由一單—薄層所形成; 鈍化薄層’其係形成在上述包括移位暫存器和 主接線之基體上面,此鈍化薄層係具有:一可暴露立 顯不區域之資料線的一部分之第-接點孔、-可暴露 移位暫存益之第一電晶體的閘極電極之第二接點 孔、和一可暴露其第-電晶體之源極與沒極電極的第 二接點孔;和 -些電極樣式,彼等係形成在其純化薄層上面, 33 1282478 拾、申請專利範圍 此等電極樣式係包括一可透過其第一接點孔連接至其 顯示區域之資料線的第一電極,和一可使其閘極電極 透過其第二和第三接點孔與其第一電晶體之源極和汲 極相連接的第二電極。 13.如申請專利範圍第12項之裝置,其中進一步係包括一 些佈置在其驅動電路區域之基體上面而與該等主接線 相父的支接線,彼等可使此等主接線,連結至其每一 移位暫存器之電晶體。 支接線與主接線彼此相交之處的部分,係具有^ 主接線為窄之線寬度。 15. 如申請專利範圍第13項之裝置,其中之主接線,係 一不同於其支接線之薄層所形成。 15 20
16. 如申請專利範圍第15項之裝置,其中之主接線,係 一如同該等閘極線中之薄層所形成,而該等主接線 係由一如同該等資料線中之薄層所形成。 17. 如申請專利範圍第15項之裝置,其中之主接線係 -如同該等資料線中之薄層所形成,而該等主接線 係由一如同該等閘極線令之薄層所形成。 18.如申請專利範圍第13項之裝置,Μ之電極樣式叫 進—步包括-第三電極,其係透過一形成在一主接必 上面之第四接點孔,和—形成在一支接線上面之第玉 接點孔,使一主接線與-支接線相連接。 19.如申請專利範圍第18項之 ,、T之弟四和第五接 34 1282478 拾、申請專利範圍 點孔’係具有—較該等支接線之線寬度為大的尺度。 20.如申#專利犯圍第12項之裝置,其中之藤動電路區域 中的驅動電晶體之閘極電極,係具有一框結構’以及 其之源極和沒極,係具有一又指型結構。 5 21. 一種非晶矽薄膜電晶體液晶顯示器裝置之製作方法, 其包括之步驟有: 使些包括閘極線和閘極電極之閘極樣式,形成 在具有一其上形成有一圖素陣列之顯示區域和一其 上形成有多數移位暫存器之驅動電路區域的絕緣基體 10 上面; 在其包括閘極樣式之基體上面,形成一閘極絕緣 薄臈; 在該等閘極電極上方之閘極絕緣薄膜上面,形成 一些主動性薄層樣式; 在该4基體和主動性薄層樣式上面,形成一些資 料樣式,此等資料樣式係包括··一與其主動性薄層樣 式之第一區域相接觸的源極電極、一與其主動性薄層 樣式之第二區域相接觸的汲極電極、和一連接至此沒 極電極之資料線; :〇 在上述包括資料樣式之基體上面,形成一鈍化薄 層; 钱刻該等鈍化薄層和閘極絕緣薄膜,以形成一可 暴露其顯示區域之汲極電極的第一接點孔、一可暴露 每一移位暫存器之第一電晶體的閘極電極之第二接點 35 1282478 拾、申請專利範圍 V +路之金屬薄層和其下層之掺雜式非晶石夕薄層 與非晶石夕薄層,藉以形成該等主動性薄層樣式和資料 樣式。 36·如申明專利範圍第29項之方法,纟中之電容器下部電 極,係在形成該等閘極樣式之步驟中,形成在其顯示 區域之基體上面,以及係與其閘極線平行相隔,此電 谷态下部電極’係由一如同其閘極電極中之薄層所形
成。 37. 10 如申請專利範圍第29項之方法,其中之 驅動電路區域 中之驅動電晶體的閘極電極,係具有—框結構,以及 其之源極和汲極,係具有一叉指型結構。
40
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