JP2020140171A - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP2020140171A JP2020140171A JP2019037721A JP2019037721A JP2020140171A JP 2020140171 A JP2020140171 A JP 2020140171A JP 2019037721 A JP2019037721 A JP 2019037721A JP 2019037721 A JP2019037721 A JP 2019037721A JP 2020140171 A JP2020140171 A JP 2020140171A
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- 239000000758 substrate Substances 0.000 claims abstract description 90
- 239000011370 conductive nanoparticle Substances 0.000 claims abstract description 37
- 239000010936 titanium Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- -1 titanium metals Chemical class 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims 1
- 239000010408 film Substances 0.000 description 137
- 239000010410 layer Substances 0.000 description 105
- 239000004065 semiconductor Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 19
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- 229920005989 resin Polymers 0.000 description 8
- 229910052581 Si3N4 Inorganic materials 0.000 description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 7
- 238000005530 etching Methods 0.000 description 6
- 241000750042 Vini Species 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 101000739577 Homo sapiens Selenocysteine-specific elongation factor Proteins 0.000 description 2
- 102100037498 Selenocysteine-specific elongation factor Human genes 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
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- 229920005591 polysilicon Polymers 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- 241000549556 Nanos Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- AJGDITRVXRPLBY-UHFFFAOYSA-N aluminum indium Chemical compound [Al].[In] AJGDITRVXRPLBY-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007610 electrostatic coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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- 238000007561 laser diffraction method Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
- H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
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- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/2901—Shape
- H01L2224/29011—Shape comprising apertures or cavities
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- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29298—Fillers
- H01L2224/29299—Base material
- H01L2224/293—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29338—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/29339—Silver [Ag] as principal constituent
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/325—Material
- H01L2224/32505—Material outside the bonding interface, e.g. in the bulk of the layer connector
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- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/838—Bonding techniques
- H01L2224/8384—Sintering
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- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
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- H01L25/162—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits the devices being mounted on two or more different substrates
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- Condensed Matter Physics & Semiconductors (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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- Control Of El Displays (AREA)
Abstract
Description
図1は、第1実施形態に係る表示装置を模式的に示す平面図である。図1に示すように、表示装置1は、アレイ基板2と、画素Pixと、駆動回路12と、駆動IC(Integrated Circuit)210と、カソード配線60と、を含む。アレイ基板2は、各画素Pixを駆動するための駆動回路基板であり、バックプレーン又はアクティブマトリックス基板とも呼ばれる。アレイ基板2は、基板21、複数のトランジスタ、複数の容量及び各種配線等を有する。
図11は、第2実施形態に係る表示装置を示す断面図である。なお、以下の説明においては、上述した実施形態で説明したものと同じ構成要素には同一の符号を付して重複する説明は省略する。
図12は、第3実施形態に係る表示装置を示す断面図である。第3実施形態の表示装置1Bは、上述した実施形態に対して、反射層28を有する構成が異なる。図12に示すように、反射層28は、発光素子3の側面と対向して設けられ、複数の導電性ナノ粒子51を含む。
図13は、第4実施形態に係る表示装置を示す断面図である。上述した第1実施形態から第3実施形態では、素子絶縁膜97の上面と、カソード端子32の上面とが同一面を形成するように、素子絶縁膜97が設けられているがこれに限定されない。図13に示すように、第4実施形態の表示装置1Cにおいて、素子絶縁膜97の高さは、発光素子3の高さよりも低い。
2 アレイ基板
3、3R、3G、3B 発光素子
12 駆動回路
21 基板
22 カソード電極
23、23A アノード電極
24 接続層
27 端子部
28 反射層
31 半導体層
32 カソード端子
33 アノード端子
49 副画素
51 導電性ナノ粒子
60 カソード配線
100、200 成膜装置
210 駆動IC
DRT 駆動トランジスタ
BCT 発光制御トランジスタ
IST 初期化トランジスタ
CCT 補正トランジスタ
SST 書込トランジスタ
Pix 画素
RST リセットトランジスタ
BG 発光制御走査線
SG 書込制御走査線
RG リセット制御走査線
IG 初期化制御走査線
CG 補正制御走査線
Claims (13)
- 基板と、
前記基板に設けられた複数の画素と、
複数の前記画素の各々に設けられる発光素子と、
前記発光素子に電気的に接続される第1電極と、
前記基板に設けられ、前記第1電極と電気的に接続されるトランジスタと、
前記基板に垂直な方向において、前記第1電極と前記発光素子との間に設けられ、複数の導電性ナノ粒子を含む接続層と、を有する
表示装置。 - 前記接続層は、複数の前記導電性ナノ粒子の間に空隙を有する
請求項1に記載の表示装置。 - 前記基板に垂直な方向からの平面視で、前記第1電極の面積は、前記発光素子の面積よりも大きい
請求項1又は請求項2に記載の表示装置。 - 前記発光素子は、少なくとも2つの端子を有し、
前記基板に垂直な方向からの平面視で、前記第1電極の面積は、前記少なくとも2つの端子の一方の面積よりも大きい
請求項1又は請求項2に記載の表示装置。 - 前記発光素子の側面と対向して設けられ、複数の導電性ナノ粒子を含む反射層を有する
請求項1から請求項4のいずれか1項に記載の表示装置。 - 複数の前記発光素子の間に設けられ、前記発光素子と重なる位置に貫通孔を有する素子絶縁膜と、
複数の前記発光素子及び前記素子絶縁膜を覆って、複数の前記発光素子に電気的に接続される第2電極と、を有し、
前記反射層は、前記貫通孔の内壁に設けられる
請求項5に記載の表示装置。 - 前記反射層の下端は前記第1電極と電気的に接続され、前記反射層の上端は前記第2電極と離隔する
請求項6に記載の表示装置。 - 複数の前記発光素子の間に設けられ、複数の前記発光素子の少なくとも側面の一部を覆う素子絶縁膜と、
複数の前記発光素子及び前記素子絶縁膜を覆って、複数の前記発光素子に電気的に接続される第2電極と、を有し、
前記発光素子の高さは、前記素子絶縁膜の高さよりも高い
請求項1から請求項4のいずれか1項に記載の表示装置。 - 前記導電性ナノ粒子は、銀又は銀合金を含む
請求項1から請求項8のいずれか1項に記載の表示装置。 - 前記第1電極は、モリブデン、チタンの金属のいずれか1つ以上を含む、又は前記金属のいずれか1つ以上を含む合金、又は透光性導電材料のいずれかを有する
請求項1から請求項9のいずれか1項に記載の表示装置。 - 前記第1電極は、複数の導電性ナノ粒子を含む
請求項1から請求項9のいずれか1項に記載の表示装置。 - 発光素子基板と、前記発光素子基板に設けられた、少なくとも一つの前記発光素子と、前記発光素子基板に設けられ、前記発光素子を駆動する少なくとも一つの回路素子とを含むチップ部品を有し、
前記チップ部品は前記基板にアレイ状に配列するように複数設けられる
請求項1から請求項11のいずれか1項に記載の表示装置。 - 前記チップ部品には、互いに異なる発光を呈する前記発光素子がそれぞれ少なくとも一つずつ設けられる
請求項12に記載の表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019037721A JP7264669B2 (ja) | 2019-03-01 | 2019-03-01 | 表示装置 |
PCT/JP2019/051032 WO2020179206A1 (ja) | 2019-03-01 | 2019-12-25 | 表示装置 |
US17/460,307 US11810886B2 (en) | 2019-03-01 | 2021-08-30 | Display device |
Applications Claiming Priority (1)
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