JP6974324B2 - 側面反射器と蛍光体とを備えるフリップチップled - Google Patents
側面反射器と蛍光体とを備えるフリップチップled Download PDFInfo
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- JP6974324B2 JP6974324B2 JP2018534134A JP2018534134A JP6974324B2 JP 6974324 B2 JP6974324 B2 JP 6974324B2 JP 2018534134 A JP2018534134 A JP 2018534134A JP 2018534134 A JP2018534134 A JP 2018534134A JP 6974324 B2 JP6974324 B2 JP 6974324B2
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims description 19
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- 239000000758 substrate Substances 0.000 claims description 46
- 229920002120 photoresistant polymer Polymers 0.000 claims description 32
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- 239000004065 semiconductor Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 11
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- 239000002904 solvent Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 20
- 239000002184 metal Substances 0.000 description 17
- 239000000203 mixture Substances 0.000 description 16
- 239000000853 adhesive Substances 0.000 description 13
- 230000001070 adhesive effect Effects 0.000 description 13
- 239000003677 Sheet moulding compound Substances 0.000 description 7
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- 239000002245 particle Substances 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 229910052594 sapphire Inorganic materials 0.000 description 4
- 239000010980 sapphire Substances 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 125000001475 halogen functional group Chemical group 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000007788 roughening Methods 0.000 description 3
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- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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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
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
-
- 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
- H01L33/46—Reflective coating, e.g. dielectric Bragg reflector
-
- 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
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
-
- 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
- H01L33/50—Wavelength conversion elements
-
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/505—Wavelength conversion elements characterised by the shape, e.g. plate or foil
-
- 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
- H01L2933/0025—Processes relating to coatings
-
- 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
-
- 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
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
-
- 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
- H01L2933/0058—Processes relating to semiconductor body packages relating to optical field-shaping elements
-
- 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
- H01L33/56—Materials, e.g. epoxy or silicone resin
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
Description
本出願は、2015年12月29日に出願された「FLIP CHIP LED WITH SIDE REFLECTORS AND PHOSPHOR」という名称の米国特許仮出願第62/272,416号及び2016年3月15日に出願された「FLIP CHIP LED WITH SIDE REFLECTORS AND PHOSPHOR」という名称の欧州特許出願第16160421.0号の優先権を主張し、米国特許仮出願第62/272,416号及び欧州特許出願第16160421.0号を本明細書に援用する。
Claims (15)
- 発光デバイスを形成する方法であって、
半導体層と透明な基板とを有する発光デバイスを提供するステップと、
前記基板の上に位置する第1の一時的な層を提供することと、
該第1の一時的な層の上に位置し、前記第1の一時的な層、前記基板、及び前記半導体層の側面を覆う、反射材料を堆積させることと、
前記第1の一時的な層の頂面を覆う前記反射材料を除去して、前記第1の一時的な層を露出させることと、
前記第1の一時的な層を除去して、前記反射材料が前記基板及び前記半導体層の側面を覆ったまま反射空洞を形成することと、
波長変換材料が前記反射空洞より上に延在せず、前記基板及び前記半導体層の側面を覆う前記反射材料の上に位置しないよう、波長変換材料で反射空洞を充填することとを含む、
方法。 - 半導体層と透明な基板とを有する発光デバイスを提供することは、複数の発光デバイスのウエハ規模の処理のために、キャリアの上に複数の発光デバイスを提供することを含む、請求項1に記載の方法。
- 前記第1の一時的な層の頂面を覆う前記反射材料を除去する前に、前記反射材料を覆う保護層を堆積させることを更に含む、請求項1に記載の方法。
- 前記第1の一時的な層の頂面を覆う前記反射材料を除去して、前記第1の一時的な層を露出させることは、前記反射材料を研削することを含む、請求項1に記載の方法。
- 前記第1の一時的な層は、フォトレジストであり、前記第1の一時的な層を除去するステップは、前記フォトレジストを溶媒で溶解するステップを含む、請求項1に記載の方法。
- 波長変換材料で前記反射空洞を充填することは、前記反射空洞内に蛍光体を施すことを含む、請求項1に記載の方法。
- 前記発光デバイスは、前記基板とは反対側の表面にアノード及びカソード電極を備えるフリップチップ発光デバイスである、請求項1に記載の方法。
- 前記基板は、前記半導体層をエピタキシャル成長させる透明な成長基板である、請求項1に記載の方法。
- 前記波長変換材料及び前記発光デバイスによって放射される実質的に全ての側面光は、実質的に全ての光が前記反射空洞の頂部出口窓を通じて放射されるよう、前記反射材料によって反射される、請求項1に記載の方法。
- 前記第1の一時的な層の厚さは、前記波長変換材料についての所望の厚さに基づいて選択される、請求項1に記載の方法。
- 半導体層で形成され、第1の表面と、該第1の表面とは反対側の第2の表面と、側面とを有する、半導体本体と、第1の表面と、該第1の表面とは反対側の第2の表面と、側面とを有する、透明な基板と、前記半導体本体の前記第2の表面に隣接する複数の電極とを含み、前記透明な基板の前記第1の表面は、前記半導体本体の前記第1の表面に隣接する、発光デバイスと、
前記半導体本体の前記側面及び前記基板の前記側面を覆うが、隣接する電極の上に又は隣接する電極の間に配置されない、反射材料であって、前記透明な基板の前記第2の表面より上に延びて、反射空洞を形成する、反射材料と、
波長変換材料が前記反射空洞より上に延在せず、前記半導体層及び前記基板の側面を覆う前記反射材料の上に位置しないよう、前記反射空洞を充填する、波長変換材料と、
前記反射材料を覆って配置された保護層とを含む、
発光デバイス。 - 前記波長変換材料は、前記反射空洞内の蛍光体を含む、請求項11に記載の発光デバイス。
- 前記発光デバイスは、フリップチップ発光デバイスであり、前記複数の電極は、少なくともアノード及びカソード電極を含む、請求項11に記載の発光デバイス。
- 前記基板は、前記半導体層をエピタキシャル成長させる透明な成長基板である、請求項11に記載の発光デバイス。
- 前記波長変換材料は、前記反射空洞を充填する、請求項11に記載の発光デバイス。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562272416P | 2015-12-29 | 2015-12-29 | |
US62/272,416 | 2015-12-29 | ||
EP16160421 | 2016-03-15 | ||
EP16160421.0 | 2016-03-15 | ||
PCT/US2016/066413 WO2017116693A1 (en) | 2015-12-29 | 2016-12-13 | Flip chip led with side reflectors and phosphor |
Publications (2)
Publication Number | Publication Date |
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JP2019514194A JP2019514194A (ja) | 2019-05-30 |
JP6974324B2 true JP6974324B2 (ja) | 2021-12-01 |
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JP2018534134A Active JP6974324B2 (ja) | 2015-12-29 | 2016-12-13 | 側面反射器と蛍光体とを備えるフリップチップled |
Country Status (3)
Country | Link |
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US (1) | US20220399483A1 (ja) |
JP (1) | JP6974324B2 (ja) |
CN (1) | CN109983589B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112349822B (zh) | 2019-08-09 | 2022-03-18 | 佛山市国星光电股份有限公司 | Led器件和背光模组 |
JP7086902B2 (ja) * | 2019-08-30 | 2022-06-20 | アオイ電子株式会社 | 発光装置 |
JP7086903B2 (ja) * | 2019-08-30 | 2022-06-20 | アオイ電子株式会社 | 発光装置 |
JP7169513B2 (ja) | 2019-12-23 | 2022-11-11 | 日亜化学工業株式会社 | 発光素子の製造方法 |
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2016
- 2016-12-13 JP JP2018534134A patent/JP6974324B2/ja active Active
- 2016-12-13 CN CN201680082859.9A patent/CN109983589B/zh active Active
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- 2022-08-22 US US17/892,788 patent/US20220399483A1/en active Granted
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