JP6932598B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP6932598B2 JP6932598B2 JP2017183964A JP2017183964A JP6932598B2 JP 6932598 B2 JP6932598 B2 JP 6932598B2 JP 2017183964 A JP2017183964 A JP 2017183964A JP 2017183964 A JP2017183964 A JP 2017183964A JP 6932598 B2 JP6932598 B2 JP 6932598B2
- Authority
- JP
- Japan
- Prior art keywords
- sensor electrode
- electrode
- insulating film
- display device
- light emitting
- Prior art date
- Legal status (The legal status 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 status listed.)
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Images
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
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- H—ELECTRICITY
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- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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- H10K59/131—Interconnections, e.g. wiring lines or terminals
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Description
本実施形態に係る表示装置100について、図1乃至図9Fを参照して説明する。
図1は、本実施形態に係る表示装置100の表示領域103を示した概略図であり、表示領域103を平面視した場合における概略図を示している。本明細書等では、表示装置100を画面(表示領域103)に垂直な方向から見た様子を「平面視」と呼ぶ。
図2は、本実施形態に係る表示装置100のタッチセンサ113を示した概略図であり、表示領域103を平面視した場合における概略図を示している。
タッチセンサ113は、行方向に配列された複数のセンサ電極114及び列方向に配列された複数のセンサ電極115を有している。図3に、図2に示す領域120の拡大図を示す。センサ電極114はほぼ四角形の形状を有する複数の導電層131と、接続電極116と、を有している。また、センサ電極115もほぼ四角形の形状を有する複数の導電層131と、接続領域139と、を有している。また、センサ電極114と、センサ電極115と、は互いに離間しており、電気的に独立している。
次に、図1に示す表示領域103から端子107までの領域を含む範囲における表示装置100の断面構成について、図5を参照して説明する。図5は、図1に示すA1−A2線で切断した断面の構成を示す図である。
本実施形態に係るセンサ電極114及びセンサ電極115の各々は、格子状の形状を有するメッシュ配線である。換言すると、それぞれマトリクス状に配置される開口を有する。
次に、本実施形態に係る表示装置が有する封止膜及びタッチセンサの製造方法について、図9A乃至図9Fを参照して説明する。なお、図9A乃至図9Fは、図4に示すD1−D2線に沿った断面図である。
本実施形態では、センサ電極114及びセンサ電極115を、封止膜220に埋め込み、絶縁層137上に接続電極116を設ける構成にについて、図10、図11A、及び図11Bを参照して説明する。
本実施形態では、第1実施形態に示すタッチセンサのセンサ電極114及びセンサ電極115のレイアウトとは一部異なるレイアウトについて図12及び図13を参照して説明する。
本実施形態では、図9A乃至図9Fに示す封止膜及びタッチセンサの製造方法とは一部異なる製造方法について、図14A乃至図14Fを参照して説明する。また、図14A乃至図14Fは、図4に示すD1−D2線に沿った断面図である。なお、図9A乃至図9Fと同様の工程については、説明を省略することがある。
Claims (16)
- 複数の発光素子と、
前記複数の発光素子の間に設けられた第1絶縁膜と、
前記複数の発光素子と前記第1絶縁膜との上に設けられた第2絶縁膜と、
前記第2絶縁膜上に設けられた第3絶縁膜と、
前記第2絶縁膜と前記第3絶縁膜との間に設けられた接続電極と、
前記第3絶縁膜上に設けられ、メッシュ状の第1導電層及びメッシュ状の第2導電層を有する第1センサ電極と、
前記第3絶縁膜上に設けられ、前記第1センサ電極と同層の第2センサ電極と、が基板上に設けられた表示装置であって、
前記第1導電層及び前記第2導電層は、前記接続電極を介して互いに接続され、
前記接続電極は、前記第2センサ電極の少なくとも一部と交差する領域を有し、
前記接続電極は、前記第1絶縁膜と重なり、前記複数の発光素子が有する発光領域とは重ならず、
前記第2絶縁膜は、前記複数の発光素子側から積層された第1無機絶縁層と有機絶縁層と第2無機絶縁層とをさらに有し、
前記接続電極の少なくとも一部は、第2無機絶縁層に埋め込まれる、表示装置。 - 前記第3絶縁膜は、無機絶縁材料からなる、請求項1に記載の表示装置。
- 前記複数の発光素子が設けられた表示領域の周辺領域において、バンクをさらに有し、
前記第1導電層又は前記第2導電層の一方は、前記バンクと重なる領域を有する、請求項1に記載の表示装置。 - 前記第1センサ電極及び前記第2センサ電極上に、円偏光板をさらに有する、請求項1に記載の表示装置。
- 前記複数の発光素子が設けられた表示領域は、第1方向に延在する走査線と、
前記第1方向と交差する第2方向に延在する信号線と、をさらに有し、
前記接続電極は、前記走査線と重なる領域を有する、請求項1に記載の表示装置。 - 前記第1センサ電極が有するメッシュ状の前記第1導電層及び前記第2センサ電極が有するメッシュ状の前記第2導電層は、それぞれ複数の開口を有し、
前記複数の開口のそれぞれは、前記複数の発光素子の少なくとも一つの前記発光領域と重なる、請求項1に記載の表示装置。 - 前記接続電極の前記第3絶縁膜側の面は、前記第2無機絶縁層の前記第3絶縁膜側の面と略一致する、請求項1に記載の表示装置。
- 前記接続電極の前記第3絶縁膜側の面は、前記第2無機絶縁層の前記第3絶縁膜側の面よりも低い位置にある、請求項1に記載の表示装置。
- 前記接続電極の幅は、前記第1導電層の幅よりも大きい、請求項1に記載の表示装置。
- 複数の発光素子と、
前記複数の発光素子の間に設けられた第1絶縁膜と、
前記複数の発光素子と前記第1絶縁膜との上に設けられた第2絶縁膜と、
前記第2絶縁膜上に設けられた第3絶縁膜と、
前記第2絶縁膜と前記第3絶縁膜との間に設けられ、メッシュ状の第1導電層及びメッシュ状の第2導電層を有する第1センサ電極と、
前記第2絶縁膜と前記第3絶縁膜との間に設けられ、前記第1センサ電極と同層の第2センサ電極と、
前記第3絶縁膜上に設けられた接続電極と、が基板上に設けられた表示装置であって、
前記第1導電層及び第2導電層は、前記接続電極を介して互いに接続され、
前記接続電極は、前記第2センサ電極の少なくとも一部と交差する領域を有し、
前記接続電極は、前記第1絶縁膜と重なり、前記複数の発光素子が有する発光領域とは重ならず、
前記第2絶縁膜は、前記複数の発光素子側から積層された第1無機絶縁層と有機絶縁層と第2無機絶縁層とをさらに有し、
前記第1センサ電極の少なくとも一部及び前記第2センサ電極の少なくとも一部は、第2無機絶縁層に埋め込まれる、表示装置。 - 前記第3絶縁膜は、無機絶縁材料からなる、請求項10に記載の表示装置。
- 前記複数の発光素子が設けられた表示領域の周辺領域において、バンクをさらに有し、
前記第1導電層又は前記第2導電層の一方は、前記バンクと重なる領域を有する、請求項10に記載の表示装置。 - 前記第1センサ電極及び前記第2センサ電極上に、円偏光板をさらに有する、請求項10に記載の表示装置。
- 前記複数の発光素子が設けられた表示領域は、第1方向に延在する走査線と、
前記第1方向と交差する第2方向に延在する信号線と、をさらに有し、
前記接続電極は、前記走査線と重なる領域を有する、請求項10に記載の表示装置。 - 前記第1センサ電極が有するメッシュ状の前記第1導電層及び前記第2センサ電極が有するメッシュ状の前記第2導電層は、それぞれ複数の開口を有し、
前記複数の開口のそれぞれは、前記複数の発光素子の少なくとも一つの前記発光領域と重なる、請求項10に記載の表示装置。 - 前記接続電極の幅は、前記第1導電層の幅よりも大きい、請求項10に記載の表示装置。
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