JP2020030401A - 表示装置及びその製造方法 - Google Patents
表示装置及びその製造方法 Download PDFInfo
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- 229910052802 copper Inorganic materials 0.000 claims description 4
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133351—Manufacturing of individual cells out of a plurality of cells, e.g. by dicing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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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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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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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
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
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- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—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 an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—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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- G02F1/136222—Colour filters incorporated in the active matrix substrate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—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 an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
- G02F2001/1635—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor the pixel comprises active switching elements, e.g. TFT
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
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Abstract
Description
本発明の他の目的は、表示パネルと偏光層の間の段差が除去された側面を含み、超精密微細導電パターンが形成された側面を備えた表示パネルを含む表示装置を提供することである。
22 ゲート電極
24 ゲート絶縁層
26 半導体層
28A ソース電極
28B ドレイン電極
30 保護層
42 画素電極
44 液晶層
45 液晶分子
46 共通電極
50 液晶パネル
60 カラーフィルタ
62 ブラックマトリクス
70 第2基板
80、90 偏光層
80A 整列切断前の偏光層
100 表示パネル
150 バックライト
200 駆動回路(DC)
220 タイミング制御部
240 ゲート駆動部
260 データ駆動部
400 吸引装置
500 プラズマ洗浄装置
600 導電性ペーストプリント装置
700 エアヒータ
800 レーザ硬化装置
900 レーザパターニング装置
1000、1001、1002、1003、1004 表示装置
ACF 異方性導電フィルム
CF 導電フィルム
CH1、CH2 シャーシ
CL 連結ライン
CPA 導電性ペースト
CP 側面導電パターン
DC 駆動回路
DCS データ制御信号
DL1〜DLm データライン
GL1〜DLn ゲートライン
PX 画素
RES レジン
RGB 映像データ
SOE ソース出力イネーブル信号
SSC ソースサンプリングクロック
SSP ソーススタートパルス
TR 薄膜トランジスタ
Claims (20)
- 薄膜トランジスタ及び画素電極が形成された表示パネルの一面に偏光層を配置する段階と、
前記偏光層の側面と前記表示パネルの側面が一致するようにカッティング(cutting)レーザビームを利用して前記偏光層を切断する段階と、
前記表示パネルの前記側面に導電性ペースト(paste)を塗布する段階と、
パターニングレーザビームを利用して前記導電性ペーストをパターニングする段階と、を含む表示装置の製造方法。 - 前記偏光層を切断する段階は、
前記カッティングレーザビームを利用して前記偏光層を切断するとともに、前記表示パネルの前記側面を研磨することを特徴とする請求項1に記載の表示装置の製造方法。 - 前記偏光層の前記側面と前記表示パネルの前記側面の間の段差が100μm以下であることを特徴とする請求項2に記載の表示装置の製造方法。
- 前記導電性ペーストを塗布する段階は、プリント技法を利用して前記表示パネルの前記側面の既設定された塗布領域に前記導電性ペーストを一体に形成することを特徴とする請求項1に記載の表示装置の製造方法。
- 前記表示パネルは、
前記画素電極上に配置される共通電極と、
前記共通電極上に配置されるカラーフィルタと、をさらに含むことを特徴とする請求項1に記載の表示装置の製造方法。 - 前記導電性ペーストをパターニングする段階は、前記薄膜トランジスタ、前記画素電極、前記共通電極、及び前記カラーフィルタのうち少なくとも1つに各々電気的に連結される複数の側面導電パターンを形成することを特徴とする請求項5に記載の表示装置の製造方法。
- 前記側面導電パターン間の間隔は30μm以下であることを特徴とする請求項6に記載の表示装置の製造方法。
- 前記側面導電パターンに異方性導電フィルム(anisotropic conductive film;ACF)を付着して駆動回路及び印刷回路基板(Printed circuit board;PCB)を前記側面導電パターンに電気的に連結する段階をさらに含むことを特徴とする請求項6に記載の表示装置の製造方法。
- 前記偏光層を切断する段階は、
前記偏光層を切断しながら前記切断によって生成される不純物を吸引する段階と、
前記表示パネルの前記側面を常圧(atmospheric pressure)プラズマ洗浄する段階と、を含むことを特徴とする請求項1に記載の表示装置の製造方法。 - 前記導電性ペーストを塗布する段階は、
前記導電性ペーストを塗布した後、前記導電性ペーストに熱風を供給して前記導電性ペーストを事前硬化(pre−hardening)する段階と、
前記事前硬化した導電性ペーストに硬化用レーザビームを照射して前記事前硬化した導電性ペーストを硬化する段階と、を含むことを特徴とする請求項1に記載の表示装置の製造方法。 - 前記導電性ペーストをパターニングする段階は、
前記パターニングする前に、前記導電性ペーストに熱風を供給して前記導電性ペーストを事前硬化する段階と、
前記パターニングした後、前記事前硬化した導電性ペーストに硬化用レーザビームを照射して前記事前硬化した導電性ペーストを硬化する段階と、をさらに含むことを特徴とする請求項1に記載の表示装置の製造方法。 - 前記導電性ペーストは、銀(Ag)、銅(Cu)、金(Au)、アルミニウム(Al)から選ばれた少なくとも1つを含むことを特徴とする請求項1に記載の表示装置の製造方法。
- 前記表示パネルは、既設定された搬送ラインに沿って前記表示パネルの前記一面に平行な方向に搬送され、
前記表示パネルの搬送により、前記偏光層を付着する段階、前記偏光層を切断する段階、前記導電性ペーストを塗布する段階、及び前記導電性ペーストをパターニングする段階が順に行われることを特徴とする請求項1に記載の表示装置の製造方法。 - 薄膜トランジスタ及び画素電極が提供される表示パネルの少なくとも一側面に導電性ペーストを塗布する段階と、
硬化用レーザビームを利用して前記導電性ペーストを硬化する段階と、
パターニングレーザビームを利用して前記硬化した前記導電性ペーストをパターニングして複数の側面導電パターンを形成する段階と、を含む表示装置の製造方法。 - 前記導電性ペーストを硬化する段階は、
前記導電性ペーストに熱風を供給して前記導電性ペーストを事前硬化する段階と、
前記事前硬化した導電性ペーストに硬化用レーザビームを照射して前記事前硬化した導電性ペーストを硬化する段階と、を含むことを特徴とする請求項14に記載の表示装置の製造方法。 - 前記導電性ペーストを塗布する段階は、
前記表示パネルの上面及び下面に偏光層を付着する段階と、
前記偏光層の側面と前記表示パネルの側面が一致するようにカッティングレーザビームを利用して前記偏光層を切断する段階と、
前記表示パネルの前記側面を常圧プラズマ洗浄する段階と、
洗浄した前記表示パネルの前記側面の既設定された塗布領域に前記導電性ペーストを一体に形成する段階と、を含むことを特徴とする請求項14に記載の表示装置の製造方法。 - 前記側面導電パターンが形成された前記表示パネルの上面及び下面に偏光層を付着する段階をさらに含むことを特徴とする請求項14に記載の表示装置の製造方法。
- ゲートライン及びデータラインによって各々定義される複数の画素を含む表示パネルと、
前記表示パネル上に配置される偏光層と、
前記表示パネルに電気的に連結される駆動回路と、を含み、
前記表示パネルは、
前記表示パネルの少なくとも一側面に対応するボンディング(bonding)側面には前記画素と前記駆動回路を電気的に連結する複数の側面導電パターンが形成され、
前記表示パネルの前記ボンディング側面において、前記側面導電パターンが位置しない部分と前記ボンディング側面に対応する前記偏光層の側面との段差が100μm以下であることを特徴とする表示装置。 - 前記側面導電パターン間の間隔は30μm以下であることを特徴とする請求項18に記載の表示装置。
- 前記側面導電パターンに付着される異方性導電フィルムをさらに含み、
前記異方性導電フィルムの第1部分は前記側面導電パターンに付着され、前記駆動回路は前記異方性導電フィルムの第2部分に連結されることを特徴とする請求項18に記載の表示装置。
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