JP2006048027A - 表示装置 - Google Patents
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- JP2006048027A JP2006048027A JP2005196055A JP2005196055A JP2006048027A JP 2006048027 A JP2006048027 A JP 2006048027A JP 2005196055 A JP2005196055 A JP 2005196055A JP 2005196055 A JP2005196055 A JP 2005196055A JP 2006048027 A JP2006048027 A JP 2006048027A
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- 239000002184 metal Substances 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims description 47
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- 229910045601 alloy Inorganic materials 0.000 claims description 20
- 229910052719 titanium Inorganic materials 0.000 claims description 16
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- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 2
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Abstract
【解決手段】 電流を供給する配線と、前記配線に電気的に接続された画素電極とを有し、前記画素電極は、複数の異なる導電膜の積層構造からなり、少なくとも前記配線と前記画素電極とが接続する領域において、前記画素電極が狭幅領域を有することを特徴とする。また、複数の異なる導電膜としては、例えば金属膜と透明導電膜との積層構造を用いることができる。
【選択図】 図1
Description
本実施の形態では、画素に過電流が流れた際に、当該画素に流れる電流を遮断または減少させる表示装置の一例に関して図面を参照して以下に説明する。
本実施の形態では、実施の形態1とは異なる表示装置の一例に関して図2を用いて説明する。
本実施の形態では、本発明の表示装置のより具体的な構成とその作製方法について、図4、5を用いて説明する。
発光素子を用いた表示装置の画素の回路について、図7を用いて説明する。図7(A)は、画素の等価回路図を示したものであり、該画素は、信号線6114、電源線6115、6117、走査線6116の各配線で囲まれた領域に、画素に対するビデオ信号の入力を制御するTFT6110、発光素子6113の両電極間に流れる電流値を制御するTFT6111、該TFT6111のゲート・ソース間電圧を保持する容量素子6112を有する。なお、図7(A)では、容量素子6112を図示したが、TFT6111のゲート容量や他の寄生容量で賄うことが可能な場合には、設けなくてもよい。
本実施の形態は、本発明の表示装置の一形態であるパネルについて、図10を用いて説明する。
次に図9を用いて、発光素子の構成について説明する。本発明における発光素子を用いた表示装置の素子構成を、図9に模式的に示す。
本発明の構成を用いて形成された表示装置を用いた電子機器として、ビデオカメラ、デジタルカメラ、ゴーグル型ディスプレイ(ヘッドマウントディスプレイ)、ナビゲーションシステム、音響再生装置(カーオーディオ、オーディオコンポ等)、コンピュータ、ゲーム機器、携帯情報端末(モバイルコンピュータ、携帯電話機、携帯型ゲーム機または電子書籍等)、記録媒体を備えた画像再生装置(具体的にはDVD(digital versatile disc)等の記録媒体を再生し、その画像を表示しうるディスプレイを備えた装置)などが挙げられる。それら電子機器の具体例を図12に示す。
Claims (9)
- 絶縁表面上に設けられた電流を供給する配線と前記配線に接続された画素電極とを有し、
前記画素電極は、前記配線と前記画素電極とが接続する領域を除いて、金属膜と透明導電膜との積層構造からなり、
前記画素電極は、少なくとも前記配線と前記画素電極が接続する領域において狭幅領域を有し、
前記狭幅領域における前記画素電極の少なくとも一部は前記金属膜を含まない領域を有し、且つ前記配線と前記金属膜とが直接接していないことを特徴とする表示装置。 - 絶縁表面上に設けられた電流を供給する配線と前記配線に接続された画素電極とを有し、
前記画素電極は、前記配線と前記画素電極とが接続する領域を除いて、金属膜と前記金属膜上に設けられた透明導電膜との積層構造からなり、
前記画素電極は、少なくとも前記配線と前記画素電極が接続する領域において狭幅領域を有し、
前記狭幅領域における前記画素電極の少なくとも一部は前記金属膜を含まない領域を有し、且つ前記配線と前記金属膜とが直接接しないように設けられ、
前記透明導電膜が前記配線の端部を覆って設けられていることを特徴とする表示装置。 - 絶縁表面上に設けられた電流を供給する配線と前記配線に接続された画素電極とを有し、
前記画素電極は、前記配線と前記画素電極とが接続する領域を除いて、透明導電膜と前記透明導電膜上に設けられた金属膜との積層構造からなり、
前記画素電極は、少なくとも前記配線と前記画素電極が接続する領域において狭幅領域を有し、
前記狭幅領域における前記画素電極の少なくとも一部は前記金属膜を含まない領域を有し、且つ前記配線と前記金属膜とが直接接しないように設けられ、
前記配線が前記透明導電膜の端部を覆っていることを特徴とする表示装置。 - 絶縁表面上に設けられた配線と、
前記配線と直接接しないように前記絶縁表面上に設けられた金属膜と、
前記配線の端部および前記金属膜上を覆って設けられた透明導電膜と、
前記透明導電膜上に設けられた発光層とを有し、
前記配線と前記金属膜間において、前記透明導電膜が狭幅領域を有していることを特徴とする表示装置。 - 絶縁表面上に設けられた透明導電膜と、
前記透明導電膜の端部を覆うように設けられた配線と、
前記配線と直接接しないように前記透明導電膜上に設けられた金属膜と、
前記金属膜上に設けられた発光層とを有し、
前記配線と前記金属膜間において、前記透明導電膜が狭幅領域を有していることを特徴とする表示装置。 - 請求項1乃至請求項3のいずれか一項において、
前記配線と前記画素電極が接続する領域において、前記透明導電膜の形状がくびれた形状であることを特徴とする表示装置。 - 請求項1乃至請求項6のいずれか一項において、
前記金属膜と前記配線は、同じ材料で形成されていることを特徴とする表示装置。 - 請求項1乃至請求項7のいずれか一項において、
前記透明導電膜は、透光性酸化物導電材料で形成されていることを特徴とする表示装置。 - 請求項1乃至請求項8のいずれか一項において、
前記配線は、AlとTiとCを含んだ合金、AlとNiを含んだ合金またはAlとNiとCを含んだ合金からなることを特徴とする表示装置。
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