JP6631973B2 - 量子ドット複合材料ならびにその製造方法および用途 - Google Patents
量子ドット複合材料ならびにその製造方法および用途 Download PDFInfo
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- JP6631973B2 JP6631973B2 JP2016232625A JP2016232625A JP6631973B2 JP 6631973 B2 JP6631973 B2 JP 6631973B2 JP 2016232625 A JP2016232625 A JP 2016232625A JP 2016232625 A JP2016232625 A JP 2016232625A JP 6631973 B2 JP6631973 B2 JP 6631973B2
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- light emitting
- inorganic perovskite
- emitting diode
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- wavelength conversion
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- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- 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
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/61—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/025—Applications of microcapsules not provided for in other subclasses
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- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J3/20—Compounding polymers with additives, e.g. colouring
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
- C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
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- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
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- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0352—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
- H01L31/035209—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions comprising a quantum structures
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- 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
- H01L33/04—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 quantum effect structure or superlattice, e.g. tunnel junction
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- 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
- H01L33/26—Materials of the light emitting region
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Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Organic Chemistry (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Nanotechnology (AREA)
- Dispersion Chemistry (AREA)
- Electromagnetism (AREA)
- Crystallography & Structural Chemistry (AREA)
- Composite Materials (AREA)
- Led Device Packages (AREA)
- Luminescent Compositions (AREA)
- Optical Filters (AREA)
- Electroluminescent Light Sources (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Description
〔全無機ペロブスカイト量子の作製〕
〔赤色/緑色全無機ペロブスカイト量子ドットCsPb(Br1-bIb)3〕
〔全無機ペロブスカイト量子ドットCsPb(ClaBr1-a)3〕
〔量子ドット複合材料−メソポーラス粒子の変異保護膜〕
〔量子ドット複合材料−配位子交換体、メソポーラス粒子、ポリマー封止材の変異保護膜〕
〔発光ダイオードパッケージ構造体〕
〔白色発光ダイオードパッケージ構造体〕
〔熱安定性試験〕
〔波長変換膜〕
13 量子ドット
15A メソポーラス粒子
15B 封止材
15C 変異保護膜
15D 変異保護膜
31 量子ドット複合材料
41 量子ドット複合材料
71 量子ドット複合材料
102 発光ダイオードチップ
104 基板
106 エピタキシャル層
108 第1の型の半導体層
110 活性層
112 第2の型の半導体層
114 第1の電極
116 第2の電極
202 発光ダイオードチップ
204 基板
214 第1の電極
216 第2の電極
302 発光ダイオードチップ
302a 第1の電極
302b 第2の電極
302s 光放出面
318 発光ダイオードパッケージ構造体
320 基体
321 ダイボンディング領域
322 壁
323 受け入れ空間
324 波長変換層
324A 波長変換層
324B 波長変換層
326 反射壁
326s 上面
418 発光ダイオードパッケージ構造体
428 構造要素
428a 受け入れ領域
518 発光ダイオードパッケージ構造体
530 光学層
618 発光ダイオードパッケージ構造体
628 構造要素
628a 受け入れ領域
718 発光ダイオードパッケージ構造体
724 波長変換層
818 発光ダイオードパッケージ構造体
918 発光ダイオードパッケージ構造体
1018 発光ダイオードパッケージ構造体
1118 発光ダイオードパッケージ構造体
1134 空隙部
1218 発光ダイオードパッケージ構造体
1318 発光ダイオードパッケージ構造体
1418 発光ダイオードパッケージ構造体
1518 発光ダイオードパッケージ構造体
1523 受け入れ空間
1536 導電要素
1618 発光ダイオードパッケージ構造体
1718 発光ダイオードパッケージ構造体
1737 透明ゲル
1820 フレーム
1822 光源
1830 光学層
1830A/B/C/D 光学層
1838 バックライトモジュール
1840 反射シート
1842 導光板
1842a 光入射面
1842b 光放出面
1844 反射シート
1855 回路基板
1938 バックライトモジュール
1946 二次光学要素
2018 発光ダイオードパッケージ構造体
2048 第1の電極
2050 第2の電極
2051 立ち上がり部分
2053 横向き部分
2155 回路基板
2157 接続用パッド
2218 発光ダイオードパッケージ構造体
2318 発光ダイオードパッケージ構造体
2352 導電プレート
2354 導電ストリップ
2456 差し込み型発光ユニット
2538 発光装置
2555 回路基板
2638 発光装置
2658 ランプケーシング
2660 熱分散部
2756 差し込み型発光ユニット
2761 基体
2762 ベースプレート
2764 ベースプレート
2766 電極挿入脚
2768 電極挿入脚
2770 コンタクトパッド
2772 コンタクトパッド
2774 絶縁層
2837 透明ゲル
2856 差し込み型発光ユニット
2956 差し込み型発光ユニット
3038 発光装置
3076 ケーシング本体
3078 ランプカバー
3080 回路基板
3082 駆動回路
3102 発光ダイオードチップ
3102S1 表面
3102S2 表面
3124 波長変換層
3124R/G/B/W 波長変換層
3184 発光装置
3214 第1の電極
3214R/G/B/W 第1の電極
3216 第2の電極
3577 波長変換膜
3579 基材
3677 波長変換膜
3687 ベースプレート
3689 量子ドット薄層
3763 発光層
3765 正孔注入層
3767 電子注入層
3769 アノード
3775 カソード
S 間隙層
Claims (32)
- CsPb(Br1-bIb)3の化学式(ただし、0.5≦b≦1)、CsPb(Br1-bIb)3の化学式(ただし、0≦b<0.5)、またはCsPb(ClaBr1-a)3の化学式(ただし、0<a≦1)を有する全無機ペロブスカイト量子ドットと、
前記全無機ペロブスカイト量子ドットの表面に形成された、前記表面が改質された変異保護膜と、
を備え、
前記変異保護膜は、前記全無機ペロブスカイト量子ドットの前記表面とスルフィド含有第4級アンモニウム塩との配位子交換反応物である配位子交換体及びメソポーラス粒子を含み、
前記メソポーラス粒子は細孔を有する表面を有し、前記全無機ペロブスカイト量子ドットは前記細孔内に埋入される、量子ドット複合材料。 - 前記変異保護膜は、前記メソポーラス粒子を被覆する、ポリマー封止材、ケイ素含有材料封止材、または酸化物もしくは窒化物の誘電体封止材をさらに含む、請求項1に記載の量子ドット複合材料。
- 前記メソポーラス粒子は200nmから1000nmの範囲内の粒子径を有し、前記細孔は1nmから100nmのサイズを有する、請求項1又は2に記載の量子ドット複合材料。
- 前記細孔は2nmから20nmの前記サイズを有する、請求項3に記載の量子ドット複合材料。
- 前記メソポーラス粒子は、二酸化ケイ素を含む材料を有し、
前記ケイ素含有材料封止材は、SiOR、SiO2、Si(OR)4、またはSi(OMe)3C3H6S、またはその組み合わせを含み、
前記配位子交換体は、酸化トリ−n−オクチルホスフィン(TOPO)、9,10−ジヒドロ−9−オキサ−10−ホスファフェナントレン−10−オキシド(DOPO)、オレイン酸、オリゴマー、またはその組み合わせをさらに含み、
前記ポリマー封止材は、PMMA、PET、PEN、PS、PVDF、PVAC、PP、PA、PC、PI、エポキシ、シリコーン、またはその組み合わせを含む材料を有し、
前記酸化物もしくは窒化物の誘電体封止材は、金属酸化物、金属窒化物、またはその組み合わせを含む材料を有する、
請求項2に記載の量子ドット複合材料。 - 前記全無機ペロブスカイト量子ドットは、前記CsPb(Br1-bIb)3の化学式(ただし、0.5≦b≦1)を有する赤色全無機ペロブスカイト量子ドット、前記CsPb(Br1-bIb)3の化学式(ただし、0≦b<0.5)を有する緑色全無機ペロブスカイト量子ドット、または前記CsPb(ClaBr1-a)3の化学式(ただし、0<a≦1)を有する青色全無機ペロブスカイト量子ドット、またはその組み合わせを含む、請求項1から5のいずれか一項に記載の量子ドット複合材料。
- 前記赤色全無機ペロブスカイト量子ドットは10nmから14nmの範囲内の粒子径を有し、前記緑色全無機ペロブスカイト量子ドットは8nmから12nmの範囲内の粒子径を有し、前記青色全無機ペロブスカイト量子ドットは7nmから10nmの範囲内の粒子径を有する、請求項6に記載の量子ドット複合材料。
- 発光ダイオードパッケージ、量子ドット発光ダイオード(QLED)、工場照明、ディスプレイ、太陽電池、生物発光ラベル、イメージセンサに用いるための、請求項1から7のいずれか一項に記載の量子ドット複合材料。
- 請求項1から8のいずれか一項に記載の量子ドット複合材料を含む波長変換膜。
- 透明な基材をさらに含み、前記量子ドット複合材料は前記透明な基材中に混合される、請求項9に記載の波長変換膜。
- 透明なベースプレートをさらに含み、前記量子ドット複合材料は前記透明なベースプレート上に設けられる、請求項9に記載の波長変換膜。
- 前記全無機ペロブスカイト量子ドットは、CsPb(Br1-bIb)3の化学式(ただし、0.5≦b≦1)を有する赤色量子ドットを含み、前記波長変換膜は太陽光を吸収することによって励起されて、植物に吸収されるために620nmから680nmの波長を有する赤色光を発する、請求項9から11のいずれか一項に記載の波長変換膜。
- CsPb(Br1-bIb)3の化学式(ただし、0.5≦b≦1)、CsPb(Br1-bIb)3の化学式(ただし、0≦b<0.5)、またはCsPb(ClaBr1-a)3の化学式(ただし、0<a≦1)を有する全無機ペロブスカイト量子ドットを提供する工程と、
前記全無機ペロブスカイト量子ドットの表面に対して硫化処理を実施して、前記全無機ペロブスカイト量子ドットの前記表面に、前記表面が改質された変異保護膜を形成する工程と、
を含み、
前記全無機ペロブスカイト量子ドットの前記表面上に前記変異保護膜を形成する前記工程は、前記全無機ペロブスカイト量子ドットをメソポーラス粒子の表面の細孔に埋入する工程をさらに含み、
前記硫化処理は、前記全無機ペロブスカイト量子ドットとスルフィド含有第4級アンモニウム塩との反応を含む、量子ドット複合材料の製造方法。 - 前記硫化処理は、前記全無機ペロブスカイト量子ドットを前記メソポーラス粒子の前記表面の前記細孔に埋入する前記工程の前に実施され、前記全無機ペロブスカイト量子ドットの前記表面に前記変異保護膜を形成する前記工程は、前記メソポーラス粒子をポリマー封止材で被覆する工程をさらに含む、請求項13に記載の、量子ドット複合材料の製造方法。
- 前記硫化処理は、
前記全無機ペロブスカイト量子ドットをオレイン酸と混合する工程と、
前記オレイン酸と前記全無機ペロブスカイト量子ドットとを、スルフィド含有第4級アンモニウム塩を有する硫化剤と混合する工程と、
を含み、
前記硫化剤は、ハロゲンを含有する第4級アンモニウム塩が溶解した有機溶液と、硫化アルカリ金属が溶解した水溶液と、を混合する工程を含む方法によって作製される、
請求項13に記載の、量子ドット複合材料の製造方法。 - 前記ハロゲンを含有する第4級アンモニウム塩はR4NX(Rは炭素数1から20の炭素鎖を含む、アルキル基、アルコキシル基、フェニル基、またはアルキルフェニル基であり、Xは塩素、臭素、またはヨウ素である)の式を有する、請求項15に記載の、量子ドット複合材料の製造方法。
- 発光ダイオードチップと、
前記発光ダイオードチップから発せられる第1の光によって励起されて前記第1の光の波長と異なる波長を有する第2の光を発することができる、波長変換材料であって、請求項1〜8のいずれか一項に記載の量子ドット複合材料を含む波長変換材料と、
を備える発光装置。 - 前記変異保護膜は、前記メソポーラス粒子を被覆している、ポリマー封止材、ケイ素含有材料封止材、酸化物もしくは窒化物の誘電体封止材をさらに含み、
前記メソポーラス粒子は、二酸化ケイ素を含む材料を有し、
前記ケイ素含有材料封止材は、SiOR、SiO2、Si(OR)4、またはSi(OMe)3C3H6S、またはその組み合わせを含み、
前記配位子交換体は、酸化トリ−n−オクチルホスフィン(TOPO)、9,10−ジヒドロ−9−オキサ−10−ホスファフェナントレン−10−オキシド(DOPO)、オレイン酸、オリゴマー、またはその組み合わせをさらに含み、
前記ポリマー封止材は、PMMA、PET、PEN、PS、PVDF、PVAC、PP、PA、PC、PI、エポキシ、シリコーン、またはその組み合わせを含む材料を有し、
前記酸化物もしくは窒化物の誘電体封止材は、金属酸化物、金属窒化物、またはその組み合わせを含む材料を有する、
請求項17に記載の発光装置。 - 前記全無機ペロブスカイト量子ドットは、CsPbBr3の化学式を有する緑色量子ドットを含み、
前記波長変換材料はK2SiF6:Mn4+をさらに含み、
前記発光ダイオードチップは青色発光ダイオードチップを含む、
請求項17又は18に記載の発光装置。 - 前記発光ダイオードチップの発光側に波長変換層を備え、
前記波長変換層は前記波長変換材料を含む、
請求項17から19のいずれか一項に記載の発光装置。 - 互いに分離された状態で前記発光ダイオードチップの前記発光側に設けられる、複数の前記波長変換層と、
前記複数の前記波長変換層の間に設けられる複数の間隙層であって、光吸収材または反射材を含む複数の間隙層と、
を含む、請求項20に記載の発光装置。 - マイクロ発光ダイオードである、請求項17から21のいずれか一項に記載の発光装置。
- 前記発光ダイオードチップの向き合う面に第1の電極と第2の電極とを有する前記発光ダイオードチップ、前記発光ダイオードチップの前記発光側と前記第1の電極とは、前記発光ダイオードチップの同じ側にある、請求項21または22に記載の発光装置。
- ディスプレイに対して適用され、少なくとも赤色サブ画素、緑色サブ画素、および青色サブ画素をそれぞれ含む画素を含み、
前記赤色サブ画素、前記緑色サブ画素、および前記青色サブ画素のそれぞれは、前記複数の前記波長変換層の1つを含み、
前記画素の1つの前記赤色サブ画素、前記緑色サブ画素、および前記青色サブ画素に対応する前記複数の前記波長変換層は、前記複数の前記間隙層によって互いに分離された状態で前記発光ダイオードチップの前記発光側に設けられる、
請求項21から23のいずれか一項に記載の発光装置。 - 前記画素の前記それぞれは、前記複数の前記波長変換層の別の1つを含み、かつ前記複数の前記間隙層によって前記赤色サブ画素、前記緑色サブ画素、および前記青色サブ画素から分離される白色サブ画素、をさらに含む、請求項24に記載の発光装置。
- 前記波長変換層と前記発光ダイオードチップとは互いに接触しているか、または互いに分離している、請求項20に記載の発光装置。
- 前記波長変換層は透明ゲルをさらに含み、前記波長変換材料は前記透明ゲル中にドープされる、請求項20に記載の発光装置。
- 積層され、かつ互いに異なる発光波長を有する複数の前記波長変換層を含む、請求項20に記載の発光装置。
- 前記波長変換層および前記発光ダイオードチップをパッケージングする透明ゲルをさらに含む、請求項20に記載の発光装置。
- 構造要素をさらに備え、
前記構造要素は、前記波長変換層がその内部に受け入れられる受け入れ領域を有し、前記波長変換層を支持、パッケージング、保護するために前記波長変換層の上面および下面を覆う設計、
前記構造要素は、前記波長変換層の前記下面に存在し、前記波長変換層がその内部に受け入れられる前記受け入れ領域を有し、前記波長変換層を支持する設計、または
前記構造要素は、前記波長変換層を保護するために前記波長変換層の前記上面に存在する設計、
を含む構成によって前記構造要素が設けられる、
請求項20に記載の発光装置。 - 前記発光ダイオードチップが波長変換層を備え、前記波長変換層の外側に反射壁をさらに備える、請求項17に記載の発光装置。
- 請求項1〜8のいずれ一項に記載の量子ドット複合材料を含む発光層を備える、量子ドット発光ダイオード(QLED)。
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