JP7328317B2 - 表示装置およびその製造方法 - Google Patents
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- JP7328317B2 JP7328317B2 JP2021500137A JP2021500137A JP7328317B2 JP 7328317 B2 JP7328317 B2 JP 7328317B2 JP 2021500137 A JP2021500137 A JP 2021500137A JP 2021500137 A JP2021500137 A JP 2021500137A JP 7328317 B2 JP7328317 B2 JP 7328317B2
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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
- H01L33/48—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
- H01L33/52—Encapsulations
- H01L33/54—Encapsulations having a particular shape
-
- 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
- H01L33/005—Processes
- H01L33/0095—Post-treatment of devices, e.g. annealing, recrystallisation or short-circuit elimination
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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
- H01L33/48—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
-
- 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
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0066—Processes relating to semiconductor body packages relating to arrangements for conducting electric current to or from the semiconductor body
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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
- H01L33/02—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 bodies
- H01L33/20—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 bodies with a particular shape, e.g. curved or truncated substrate
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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
- H01L33/48—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
- H01L33/52—Encapsulations
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- Condensed Matter Physics & Semiconductors (AREA)
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Description
Claims (29)
- 第1電極と、
前記第1電極と対向する第2電極と、
前記第1電極と前記第2電極との少なくとも一部と重なり、前記第1電極と前記第2電極との間に少なくとも一部が位置する第1絶縁層と、
前記第1絶縁層上に配置された発光素子と、
前記発光素子を覆い、前記発光素子の両端部を露出する第1パッシベーション層と、
前記第1パッシベーション層上に配置される有機絶縁層と、
前記第1電極と電気的に接続され、前記有機絶縁層上に配置されて前記第1パッシベーション層によって露出した前記発光素子の第1端部と接触する第1接触電極と、
前記第2電極と電気的に接続され、前記有機絶縁層上に配置されて前記第1パッシベーション層によって露出した前記発光素子の第2端部と接触する第2接触電極とを含み、
前記有機絶縁層は、前記第1パッシベーション層の少なくとも一側面をカバーするように配置される、表示装置。 - 前記第1接触電極と第2接触電極は、互いに対向して離隔して配置され、
前記第1接触電極と第2接触電極をカバーし、前記第1接触電極と第2接触電極の互いに離隔した領域に配置される第2パッシベーション層をさらに含む、請求項1に記載の表示装置。 - 前記有機絶縁層は、前記第1パッシベーション層の両側面をカバーするように配置される、請求項2に記載の表示装置。
- 前記第1接触電極と前記第2接触電極の少なくとも一部はそれぞれ前記有機絶縁層の上面と接触し、
前記第1接触電極と前記第2接触電極の互いに対向する方向の各端部は前記有機絶縁層の上面に配置された、請求項3に記載の表示装置。 - 前記第1接触電極と前記第2接触電極は、実質的に同じ平面上に配置された、請求項4
に記載の表示装置。 - 前記第1接触電極と前記第2接触電極がそれぞれ前記有機絶縁層の側面と接触する面は、前記第1接触電極と前記第2接触電極がそれぞれ発光素子と接触する面と整列される、請求項5に記載の表示装置。
- 前記第1接触電極と前記第2接触電極がそれぞれ前記有機絶縁層の側面と接触する面は、前記第1接触電極と前記第2接触電極がそれぞれ発光素子と接触する面より前記発光素子の中心方向に陥没する、請求項5に記載の表示装置。
- 前記発光素子の下面は、少なくとも部分的に前記第1絶縁層と離隔して対向し、前記発光素子の下面と前記第1絶縁層の間に前記有機絶縁層と同じ物質からなる有機充填物質が部分的に配置されている、請求項6または請求項7に記載の表示装置。
- 前記第1接触電極は、前記有機充填物質と部分的に接触する、請求項8に記載の表示装置。
- 前記発光素子は円筒形形状を有し、前記発光素子の下面の一部は前記第1絶縁層と直接接する、請求項9に記載の表示装置。
- 前記第1接触電極の上面をカバーするように配置され、前記第2接触電極の下面と接触する第3パッシベーション層をさらに含む、請求項1に記載の表示装置。
- 前記第2接触電極と前記第3パッシベーション層の各上面をカバーするように配置される第4パッシベーション層をさらに含む、請求項11に記載の表示装置。
- 前記第2接触電極の前記第1接触電極と対向する方向の一側部は、前記第3パッシベーション層上に配置され、
前記第1接触電極の前記第2接触電極と対向する方向の一側部は、前記第3パッシベーション層の下部に配置される、請求項12に記載の表示装置。 - 前記第3パッシベーション層の前記第2接触電極と接触する一側面は、前記有機絶縁層と前記第2接触電極と接触する一側面と整列される、請求項13に記載の表示装置。
- 前記発光素子の下面は、少なくとも部分的に前記第1絶縁層と離隔して対向し、前記発光素子の下面と前記第1絶縁層の間に前記有機絶縁層と同じ物質からなる有機充填物質が部分的に配置されている、請求項14に記載の表示装置。
- 前記第1接触電極は、前記有機充填物質と部分的に接触する、請求項15に記載の表示装置。
- 前記発光素子は、前記第1端部はn型に導電された半導体物質を含み、前記第2端部はp型に導電された半導体物質を含み、
前記第1端部と前記第2端部との間には活性物質層が配置された、請求項16に記載の表示装置。 - 第1電極、前記第1電極と対向する第2電極、前記第1電極と前記第2電極との少なくとも一部と重なり前記第1電極と前記第2電極との間に少なくとも一部が位置する第1絶縁層、および前記第1絶縁層上に配置された発光素子が配置された基板を提供する段階と、
前記基板上に無機絶縁層および有機絶縁層を順次形成する段階と、
前記有機絶縁層および前記無機絶縁層をパターニングして前記発光素子を覆い、前記発光素子の第1端部を露出する有機絶縁層および第1パッシベーション層を形成する段階を含み、
前記有機絶縁層は、前記第1パッシベーション層の少なくとも一側面をカバーするように形成される、
表示装置の製造方法。 - 前記有機絶縁層および前記第1パッシベーション層を形成する段階後に、前記第1電極と電気的に接続され、前記有機絶縁層上に配置され、前記第1パッシベーション層によって露出した前記発光素子の第1端部と接触する第1接触電極を形成する段階をさらに含む、請求項18に記載の表示装置の製造方法。
- 前記第1接触電極をカバーするように配置され、前記有機絶縁層の前記第2電極に対向する方向の一面をカバーし、前記発光素子の第1端部の反対面である第2端部を露出する第2パッシベーション層を形成する段階をさらに含む、請求項19に記載の表示装置の製造方法。
- 前記第2電極と電気的に接続され、前記第2パッシベーション層上に配置され、前記第2パッシベーション層によって露出した前記発光素子の第2端部と接触する第2接触電極を形成する段階をさらに含む、請求項20に記載の表示装置の製造方法。
- 前記第2接触電極と前記第2パッシベーション層をカバーするように配置される第3パッシベーション層を形成する段階をさらに含む、請求項21に記載の表示装置の製造方法。
- 前記発光素子の下面は、少なくとも部分的に前記第1絶縁層と離隔して対向し、
前記有機絶縁層を形成する段階は、前記発光素子の下面と前記第1絶縁層の間に前記有機絶縁層と同じ物質からなる有機充填物質が部分的に充填する段階を含む、請求項22に記載の表示装置の製造方法。 - 前記無機絶縁層をパターニングする段階は、前記無機絶縁層を乾式エッチングする段階を含む、請求項23に記載の表示装置の製造方法。
- 前記有機絶縁層および第1パッシベーション層を形成する段階は、
前記発光素子の第1端部の反対側である第2端部も露出する段階を含む、請求項18に記載の表示装置の製造方法。 - 前記第1電極と電気的に接続され、前記有機絶縁層上に配置され、前記第1パッシベーション層によって露出した前記発光素子の第1端部と接触する第3接触電極および
前記第2電極と電気的に接続され、前記有機絶縁層上に配置され、前記第1パッシベーション層によって露出した前記発光素子の第2端部と接触する第4接触電極を形成する段階をさらに含む、請求項25に記載の表示装置の製造方法。 - 前記第3接触電極と前記第4接触電極は同じ工程でパターニングされる、請求項26に記載の表示装置の製造方法。
- 前記発光素子の下面は、少なくとも部分的に前記第1絶縁層と離隔して対向し、
前記有機絶縁層を形成する段階は、前記発光素子の下面と前記第1絶縁層の間に前記有機絶縁層と同じ物質からなる有機充填物質が部分的に充填する段階を含む、請求項27に記載の表示装置の製造方法。 - 前記無機絶縁層をパターニングする段階は、前記無機絶縁層を乾式エッチングする段階
を含む、請求項28に記載の表示装置の製造方法。
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