JP2011211189A - 白色光、又は、カラー光を生成する光素子 - Google Patents
白色光、又は、カラー光を生成する光素子 Download PDFInfo
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- 239000000758 substrate Substances 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 39
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000001228 spectrum Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 44
- 229910052710 silicon Inorganic materials 0.000 claims description 38
- 239000010703 silicon Substances 0.000 claims description 38
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 24
- 230000003287 optical effect Effects 0.000 claims description 23
- 239000004065 semiconductor Substances 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 2
- 239000012535 impurity Substances 0.000 claims 2
- 238000005530 etching Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 132
- 229910002601 GaN Inorganic materials 0.000 description 13
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 12
- 235000012431 wafers Nutrition 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000032683 aging Effects 0.000 description 7
- 239000003086 colorant Substances 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 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
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- -1 indium gallium nitride Chemical class 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000005424 photoluminescence Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 210000000964 retinal cone photoreceptor cell Anatomy 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
【解決手段】光素子は、白色光を含むフルスペクトル光線(full spectrum of lights)を生成する。この光素子は、基板上で成長された二個、或いは、それ以上のLEDを含み、各LEDは、個別に制御されて、異なる波長の光線を生成する。発光構造は基板上に形成され、エッチングにより、発光構造を異なる部分に分離され、二個、或いは、それ以上のLEDに割り当てられる。少なくとも一つのLEDは、蛍光材料が塗布され、この結果、発光構造が同じ波長の光を発光している場合にも、LEDから異なる波長の光が生成される。
【選択図】図7A
Description
12 方法
13 ステップ
15 ステップ
16 ステップ
17 ステップ
18 ステップ
19 ステップ
30 発光構造
31 基板(成長基板)
33 ドープ層
35 多重量子井戸層(アクティブ層)
37 ドープ層
39 蛍光体層
41 蛍光体層
43 トレンチ(経路)
45 部分(LED)
47 部分(LED)
49 部分(LED)
51 接着層
53 半導体基板
61 紅色
62 境界
63 緑色
65 青色
67 黄色
71 LED
72 LED
73 トレンチ(経路)
74 蛍光体層
75A シリコン貫通ビア
75B シリコン貫通ビア
76 シリコン貫通ビア
76A シリコン貫通ビア
76B シリコン貫通ビア
77 導線
78 電極
79 電極
80 導線(ボンディングワイヤ)
81 端子
82 電極
83 導線(ボンディングワイヤ)
84 端子
85 パッケージ基板
86 電極
87 ボンディングパッド
88A 貫通孔
88B 貫通孔
91 画素
92 画素
Claims (7)
- 白色光を含むフルスペクトル光線を生成する光素子であって、前記素子は、
基板と、
前記基板の第一部分上にあり、第一光を発光する第一発光構造を有する第一発光装置(LED)と、
前記基板の第二部分上にあり、第二光を発光する第二発光構造と、前記第二光を、前記第二光と異なる第三光に変換する第一蛍光体層と、を有する第二発光装置(LED)と、
前記基板の第三部分上にあり、第四光を発光する第三発光構造と、前記第四光を、前記第四光と異なる第五光に変換する第二蛍光体層と、を有する第三発光装置(LED)と、
前記第一LED、前記第二LED、前記第三LEDを個別に制御する複数の電極に電気的に接続される複数の導電体と、
を含み、前記第一発光構造、前記第二発光構造、前記第三発光構造は、同じ材料と厚さを有していることを特徴とする光素子。 - 白色光を含むフルスペクトル光線を生成する光素子であって、前記素子は、
基板と、
前記基板の第一部分上にあり、第一青色光を発光する第一発光構造を有する第一発光装置(LED)と、
前記基板の第二部分上にあり、第二青色光を発光する第二発光構造と、前記第一青色光を、赤色光に変換する第一蛍光体層と、を有する第二発光装置(LED)と、
前記基板の第三部分上にあり、第三青色光を発光する第三発光構造と、前記第三青色光を、緑色光に変換する第二蛍光体層と、を有する第三発光装置(LED)と、
前記第一LED、前記第二LED、前記第三LEDを個別に制御する複数の電極に電気的に接続される複数の導電体と、
前記第一LED、前記第二LED、前記第三LEDの全ての上に設置される単一レンズと、を含むことを特徴とする光素子。 - 前記複数の導電体は、複数のシリコン貫通ビア(TSV)中の金属で、前記複数のTSVは、各LEDに対して下部TSVと上部TSVを含み、前記第一LED、前記第二LED、前記第三LEDの前記下TSVは、互いに電気的に接続されていることを特徴とする請求項2に記載の光素子。
- 白色光を含むフルスペクトル光線を生成する光素子であって、前記素子は、
半導体基板と、
前記基板の第一部分上にあり、第一光を発光する第一発光構造を有する第一発光装置(LED)と、
前記基板の第二部分上にあり、第二光を発光する第二発光構造と、前記第二光を、前記第二光と異なる第三光に変換する第一蛍光体層と、を有する第二発光装置(LED)と、
前記第一LED、前記第二LEDを個別に制御する複数の電極に電気的に接続される複数の導電体と、
を含み、前記第一発光構造と前記第二発光構造は、同じ材料と厚さを有し、同時に形成されることを特徴とする光素子。 - 白色光を含むフルスペクトル光線を生成する光素子であって、前記素子は、
成長基板と、
前記成長基板の第一部分上にあり、第一青色光、又は、紫外光を発光する第一発光構造を有する第一発光装置(LED)と、
前記成長基板の第二部分上にあり、第二青色光、又は、紫外光を発光する第二発光構造と、前記第一青色光、又は、紫外光を、黄色光に変換する第一蛍光体層と、を有する第二発光装置(LED)と、
前記第一LED、前記第二LEDを個別に制御する複数の電極に電気的に接続される複数の導電体と、
を含み、前記第一発光構造と前記第二発光構造は、同じ材料と厚さを有し、同時に形成されることを特徴とする光素子。 - 前記複数の導電体は、複数のシリコン貫通ビア(TSV)中の金属導線、又は、金属で、前記複数のTSVは、各LEDに対して、下部TSVと上部TSVを含み、前記第一LED、前記第二LEDの前記下TSVは、互いに電気的に接続されていることを特徴とする請求項5に記載の光素子。
- 光素子の製造方法であって、
成長基板を提供するステップと、
前記成長基板上に、第一導電型の第一不純物がドープされる第一ドープ層と、前記第一ドープ層上のアクティブ層と、前記アクティブ層上にあり、前記第一導電型と反対の第二導電型の第二不純物がドープされる第二ドープ層と、を有する発光構造を形成するステップと、
前記発光構造を用いて、少なくとも一つが蛍光体層を含む複数の発光装置を形成するステップと、
前記複数の発光装置をパッケージ構造に接合するステップと、
を含むことを特徴とする方法。
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US9029175B2 (en) | 2015-05-12 |
JP5491438B2 (ja) | 2014-05-14 |
KR20110108225A (ko) | 2011-10-05 |
US20140065740A1 (en) | 2014-03-06 |
US8604498B2 (en) | 2013-12-10 |
CN102201428A (zh) | 2011-09-28 |
US20110233575A1 (en) | 2011-09-29 |
TW201133814A (en) | 2011-10-01 |
CN102201428B (zh) | 2013-07-24 |
KR101109267B1 (ko) | 2012-01-30 |
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