JP6506973B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP6506973B2 JP6506973B2 JP2015009212A JP2015009212A JP6506973B2 JP 6506973 B2 JP6506973 B2 JP 6506973B2 JP 2015009212 A JP2015009212 A JP 2015009212A JP 2015009212 A JP2015009212 A JP 2015009212A JP 6506973 B2 JP6506973 B2 JP 6506973B2
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- 239000004065 semiconductor Substances 0.000 claims description 139
- 239000010409 thin film Substances 0.000 claims description 75
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 description 99
- 239000010410 layer Substances 0.000 description 72
- 239000003990 capacitor Substances 0.000 description 47
- 101100214488 Solanum lycopersicum TFT2 gene Proteins 0.000 description 39
- 239000000758 substrate Substances 0.000 description 12
- 101100489584 Solanum lycopersicum TFT1 gene Proteins 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
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- H01L29/00—Semiconductor 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78612—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device for preventing the kink- or the snapback effect, e.g. discharging the minority carriers of the channel region for preventing bipolar effect
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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
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- H01L27/12—Devices 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
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- H01L27/124—Devices 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
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- H01L27/12—Devices 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
- H01L27/1214—Devices 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
- H01L27/1255—Devices 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 integrated with passive devices, e.g. auxiliary capacitors
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- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
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- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
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- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42384—Gate electrodes for field effect devices for field-effect transistors with insulated gate for thin film field effect transistors, e.g. characterised by the thickness or the shape of the insulator or the dimensions, the shape or the lay-out of the conductor
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types 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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- H01L29/772—Field effect transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78645—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with multiple gate
- H01L29/78648—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with multiple gate arranged on opposing sides of the channel
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- 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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- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
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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
- G02F1/136—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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- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control 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
- G09G3/22—Control 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 using controlled light sources
- G09G3/30—Control 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 using controlled light sources using electroluminescent panels
- G09G3/32—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- G—PHYSICS
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- G09G3/20—Control 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
- G09G3/22—Control 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 using controlled light sources
- G09G3/30—Control 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 using controlled light sources using electroluminescent panels
- G09G3/32—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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Description
の通りである。
本発明の第1の実施形態にかかる有機EL表示装置は、アレイ基板SUB(図3参照)と、アレイ基板SUBに対向する対向基板と、アレイ基板SUBに接続されるフレキシブル回路基板と、ドライバ集積回路とを含む。対向基板にカラーフィルタが設けられ、カラーフィルタと白色OLED(Organic Light Emitting Diode)との組合せによりフルカラー表示が実現される。白色OLEDの代わりにRGB等のそれぞれの色を発光する発光素子を用いる場合には、対向基板およびカラーフィルタは存在しなくてもよい。
次に本発明の第2の実施形態にかかる有機EL表示装置について説明する。以下では第2の実施形態にかかる有機EL表示装置のうち、第1の実施形態と異なる部分を中心に説明する。
次に本発明の第3の実施形態にかかる有機EL表示装置について説明する。本実施形態ではチャネル領域にホールアキュムレーション抑制のための構造が設けられている。以下では第3の実施形態にかかる有機EL表示装置のうち、第1の実施形態と異なる部分を中心に説明する。
Claims (19)
- マトリクス状に配置された複数の画素の各々に設けられた薄膜トランジスタを有し、
前記薄膜トランジスタは、半導体層と、前記半導体層の下層に設けられた第1絶縁層と、前記半導体層の上層に設けられた第2絶縁層と、前記半導体層に間隔をあけて対向するゲート電極と、前記複数の画素に跨って一方向に延びるゲート信号線と、を有し、
前記半導体層は、ソース領域と、ドレイン領域と、前記ソース領域と前記ドレイン領域の間にあるチャネル領域とを含み、且つ上面と、下面と、前記上面と前記下面とに交差すると共に前記チャネル領域に含まれる部分を有する側面とを備え、
前記ゲート電極は、前記第1絶縁層を介して前記半導体層の前記下面に対向する第1ゲート電極部と、前記第2絶縁層を介して前記半導体層の前記上面に対向する第2ゲート電極部と、前記半導体層の前記側面に対向すると共に、前記第1ゲート電極部及び前記第2ゲート電極部に接する第3ゲート電極部と、を含み、
前記半導体層の周囲に、前記第1絶縁層と前記第2絶縁層とが互いに積層する積層部を備え、
前記積層部の一部が、前記半導体層の前記側面と前記第3ゲート電極部との間に位置し、
前記チャネル領域は前記ゲート信号線と平面視で重畳しない領域に位置する、
ことを特徴とする表示装置。 - 前記半導体層は、
平面的に見て、前記第1ゲート電極部と前記第2ゲート電極部の一方のみと重畳する第1の部分と、
平面的に見て、前記第1の部分から前記チャネル領域とは反対の側に突出し、前記第1ゲート電極と前記第2ゲート電極部のどちらとも重畳しない第2の部分、とを備えている、
ことを特徴とする請求項1に記載の表示装置。 - 前記半導体層の前記チャネル領域は、
平面的に見て、前記第1ゲート電極部と前記第2ゲート電極部の両方と重畳する一対の第1の重畳領域と、
平面的に見て、前記第1ゲート電極部と前記第2ゲート電極部の一方のみと重畳する一対の第2の重畳領域と、を含み、
前記一対の第1の重畳領域は、互いに前記ソース領域と前記ドレイン領域とを結ぶ方向に互いに対向して位置し、
前記一対の第2の重畳領域の各々は、前記一対の第1の重畳領域の各々に隣接して位置する、
ことを特徴とする請求項1に記載の表示装置。 - 前記第1ゲート電極部と前記第2ゲート電極部との一方は、前記ソース領域と前記ドレイン領域とを結ぶ方向に交差する方向へ窪む切り欠きを有し、
前記切り欠きの内側に位置し、且つ平面的に見て前記一方と重畳していない非重畳領域には、前前記半導体層の一部が位置している
ことを特徴とする請求項1に記載の表示装置。 - 前記非重畳領域には、配線が位置し、
前記配線は、前記上面又は前記下面の前記一方と対向する面で、前記半導体層に電気的に接続する、
ことを特徴とする請求項4に記載の表示装置。 - 前記配線は、前記ソース領域と前記ドレイン領域の一方に電気的に接続する、
ことを特徴とする請求項5に記載の表示装置。 - 前記積層部は、前記半導体層の前記側面と対向する位置にコンタクトホールを有し、
前記第3ゲート電極部は、コンタクトホール内に設けられる、
ことを特徴とする請求項1に記載の表示装置。 - 前記第1ゲート電極部は、前記半導体層と対向する第1領域を有し、
前記第2ゲート電極部は、前記半導体層と対向する第2領域を有し、
前記コンタクトホールは、前記ソース領域と前記ドレイン領域とを結ぶ方向に位置する一対の端部を有し、
前記コンタクトホールの前記一対の端部は、平面的に見て、前記第1領域と前記第2領域の一方と重畳し、他方とは重畳しない、
ことを特徴とする請求項7に記載の表示装置。 - 前記第1ゲート電極部は、平面的に見て、前記第1絶縁層と前記第2絶縁層とから突出する突出領域を有し、
前記第3ゲート電極部は、前記突出領域で前記第1ゲート電極部に接続する、
ことを特徴とする請求項1に記載の表示装置。 - 前記第1絶縁層及び前記第2絶縁層は、前記第3ゲート電極部の前記半導体層とは反対側の面と接していない
ことを特徴とする請求項1に記載の表示装置。 - 前記3ゲート電極部は、前記ソース領域と前記ドレイン領域とを結ぶ方向に位置する一対の端部を有し、
前記3ゲート電極部の前記一対の端部は、平面的に見て、前記第1ゲート電極部と前記第2ゲート電極部とに重畳する、
ことを特徴とする請求項1に記載の表示装置。 - 前記第1ゲート電極部は、前記半導体層と対向する第1領域を有し、
前記第2ゲート電極部は、前記半導体層と対向する第2領域を有し、
前記第3ゲート電極部は、前記半導体層と対向する第3領域を有し、
前記第3領域は、前記ソース領域と前記ドレイン領域とを結ぶ方向の両側に位置する一対の端部を有し、
前記第3領域の前記一対の端部は、平面的に見て、前記第1領域と前記第2領域とに重畳する、
ことを特徴とする請求項11に記載の表示装置。 - 前記半導体層の前記側面は、第1の側面と、前記第1の側面と前記チャネル領域を介して対向する第2の側面と、を含み、
前記第3ゲート電極部は、前記第1の側面と前記第2の側面の両方と対向する、
ことを特徴とする請求項1に記載の表示装置。 - 前記半導体層の前記側面は、第1の側面と、前記第1の側面と前記チャネル領域を介して対向する第2の側面と、を含み、
前記第3ゲート電極部は、前記第1の側面と前記第2の側面の一方のみに対向する、
ことを特徴とする請求項1に記載の表示装置。 - 前記半導体層の前記側面は、第1の側面と、前記第1の側面と前記チャネル領域を介して対向する第2の側面と、を含み、
前記第3ゲート電極部は、前記第1の側面と対向する互いに離間した複数の第1離間部分を含む、
ことを特徴とする請求項1に記載の表示装置。 - 前記第3ゲート電極部は、前記第2の側面と対向する互いに離間した複数の第2離間部分を含む、
ことを特徴とする請求項15に記載の表示装置。 - 前記半導体層は、前記ソース領域と前記ドレイン領域とを結ぶ方向に交差する方向に分岐する分岐部を有し、
前記分岐部は、前記チャネル領域から分岐している、
ことを特徴とする請求項1に記載の表示装置。 - 前記第1ゲート電極部及び前記第2ゲート電極部の少なくとも一方は、前記分岐部に対向する分岐ゲート電極部を有する、
ことを特徴とする請求項17に記載の表示装置。 - 前記分岐部は、前記ソース領域と前記ドレイン領域の一方と電気的に接続する、
ことを特徴とする請求項17に記載に表示装置。
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