JP7311595B2 - 発光素子基板および表示装置、ならびに表示装置の製造方法 - Google Patents
発光素子基板および表示装置、ならびに表示装置の製造方法 Download PDFInfo
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- JP7311595B2 JP7311595B2 JP2021525975A JP2021525975A JP7311595B2 JP 7311595 B2 JP7311595 B2 JP 7311595B2 JP 2021525975 A JP2021525975 A JP 2021525975A JP 2021525975 A JP2021525975 A JP 2021525975A JP 7311595 B2 JP7311595 B2 JP 7311595B2
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- light
- emitting element
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Classifications
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- 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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- H01L24/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12041—LED
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating
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Description
本開示の表示装置の製造方法は、基板と、前記基板上に位置する第1絶縁層および前記第1絶縁層上に位置する第2絶縁層と、前記第2絶縁層に形成された、平面視形状が折れ線状である開口部と、一つの前記開口部において露出する前記第1絶縁層の部位に存在する凸状体である発光素子の複数の搭載部と、前記基板の側面を覆う暗色の遮光部材と、を備える発光素子基板を準備する工程と、一つの前記開口部の複数の前記搭載部のそれぞれに前記発光素子が搭載されるとともに搭載される複数の前記発光素子が互いに発光色が異なるようにして複数の前記発光素子を粘着シート上に配列させ、前記粘着シートから複数の前記発光素子を前記基板上のそれぞれの前記搭載部に転写し、前記発光素子の側面全体が前記第2絶縁層の上面および前記遮光部材の上端よりも高い位置にある状態で配置させる工程と、板状の冶具によって複数の前記発光素子を上方から押圧してそれぞれの前記搭載部に押し付けつつ接着する工程と、を備える構成である。
1g 額縁部
1s 側面
1t 基板の端
2 走査信号線
2p 電極パッド
3 発光制御信号線
14,14B,14G,14R 発光素子(マイクロLED素子)
14L,14BL,14GL,14RL 光放射部
25 遮光部材
30 側面配線
51 樹脂絶縁層(第1絶縁層)
51t 樹脂絶縁層の端面
51tb,51tg,51tr 搭載部
54a 正電極
54b 負電極
56 遮光層(第2絶縁層)
56k 開口部
LS1,LS2 発光素子基板
Tog 凸状体
Claims (15)
- 基板と、
前記基板上に位置する第1絶縁層および前記第1絶縁層上に位置する第2絶縁層と、
前記第2絶縁層に形成された開口部と、
前記開口部において露出する前記第1絶縁層の部位にある発光素子の搭載部と、
前記搭載部に位置する前記発光素子と、
前記基板の側面を覆う暗色の遮光部材と、を備える発光素子基板であって、
前記搭載部は、前記第1絶縁層の部位にある凸状体であり、
前記搭載部に位置する前記発光素子の側面全体が、前記第2絶縁層の上面および前記遮光部材の上端よりも高い位置にあり、
平面視形状が折れ線状である一つの前記開口部に複数の前記搭載部があり、
複数の前記搭載部のそれぞれに前記発光素子があり、
一つの前記開口部にある複数の前記発光素子は、発光色が異なっており、平面視したときに折れ線状に並ぶ配置とされている発光素子基板。 - 前記第2絶縁層は、暗色の遮光層である請求項1に記載の発光素子基板。
- 前記開口部は、下端から上端に向かうに伴って開口の大きさが漸次大きくなっている請求項1または請求項2に記載の発光素子基板。
- 前記第2絶縁層の上面と前記遮光部材の上端が同じ高さ位置にある請求項1に記載の発光素子基板。
- 複数の前記発光素子は、それらの上面の高さが揃っている請求項1に記載の発光素子基板。
- 前記発光素子は、下面に正電極および負電極が平面視で互いに離隔して配置されており、平面視で正電極と負電極との間の中央部に光放射部が配置されている請求項1に記載の発光素子基板。
- 前記開口部は、表面が光反射性を有している請求項1乃至請求項6のいずれか1項に記載の発光素子基板。
- 前記開口部は、平面視における形状が複数の前記発光素子の配置の形状と相似状とされている請求項1乃至請求項7のいずれか1項に記載の発光素子基板。
- 前記開口部は、平面視における形状が、外側に膨らむ複数の曲線部を繋げた形状とされている請求項1乃至請求項7のいずれか1項に記載の発光素子基板。
- 前記凸状体は、前記発光素子が搭載される搭載面が光反射性を有している請求項1乃至請求項9のいずれか1項に記載の発光素子基板。
- 前記凸状体は、前記発光素子が位置する搭載面の平面視における大きさが前記発光素子よりも大きい請求項1乃至請求項10のいずれか1項に記載の発光素子基板。
- 前記凸状体は、前記第1絶縁層と一体的に設けられている請求項1乃至11のいずれかに1項に記載の発光素子基板。
- 請求項1乃至請求項12のいずれか1項に記載の発光素子基板を備える表示装置であって、
前記基板は、前記発光素子が位置する第1面と、前記第1面と反対側の第2面と、側面とを有しており、
前記発光素子基板は、前記側面に位置する側面配線と、前記第2面の側に位置する駆動部と、を有しており、
前記発光素子は、前記側面配線を介して前記駆動部に接続されている表示装置。 - 前記側面配線の上面の前記第1面からの高さが、前記搭載部に位置する前記発光素子の上面の高さ以下である請求項13に記載の表示装置。
- 基板と、前記基板上に位置する第1絶縁層および前記第1絶縁層上に位置する第2絶縁層と、前記第2絶縁層に形成された、平面視形状が折れ線状である開口部と、一つの前記開口部において露出する前記第1絶縁層の部位に存在する凸状体である発光素子の複数の搭載部と、前記基板の側面を覆う暗色の遮光部材と、を備える発光素子基板を準備する工程と、
一つの前記開口部の複数の前記搭載部のそれぞれに前記発光素子が搭載されるとともに搭載される複数の前記発光素子が互いに発光色が異なるようにして複数の前記発光素子を粘着シート上に配列させ、前記粘着シートから複数の前記発光素子を前記基板上のそれぞれの前記搭載部に転写し、前記発光素子の側面全体が前記第2絶縁層の上面および前記遮光部材の上端よりも高い位置にある状態で配置させる工程と、
板状の冶具によって複数の前記発光素子を上方から押圧してそれぞれの前記搭載部に押し付けつつ接着する工程と、を備える表示装置の製造方法。
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JP2007300010A (ja) | 2006-05-02 | 2007-11-15 | Nichia Chem Ind Ltd | 発光装置及び照明装置 |
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