JP2023519040A - 表示基板、その製造方法及び表示装置 - Google Patents
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Abstract
Description
I=I0×e-αL
ここで、Iは光調整層3に入射する前の光の強度であり、I0は光調整層3を透過して出射する光の強度であり、αは光調整層3の吸収係数であり、Lは光調整層3を進行する光の光路長である。この式から、光が光調整層3を進行する光路長が短いほど、光調整層3による光の吸収が少ないことがわかる。
I=I0×e-αL
ここで、I 0 は光調整層3に入射する前の光の強度であり、Iは光調整層3を透過して出射する光の強度であり、αは光調整層3の吸収係数であり、Lは光調整層3を進行する光の光路長である。この式から、光が光調整層3を進行する光路長が短いほど、光調整層3による光の吸収が少ないことがわかる。
Claims (18)
- 表示基板であって、
ベースと、
前記ベースの一側に互いに間隔をあけて設けられた複数の発光素子と、
光調整層と、を含み、
前記複数の発光素子のうちの少なくとも1つの発光素子の側壁が前記光調整層によって囲まれるように、前記光調整層の少なくとも一部は、前記複数の発光素子の間の間隙内に位置し、
前記光調整層の材料は、光吸収材料を含み、
前記光調整層は、前記光調整層に入射した光を吸収するように配置される、
表示基板。 - 前記光調整層のうちの、前記複数の発光素子の間の間隙内に位置する部分の厚さは、前記複数の発光素子の厚さの0.5倍~1.5倍である、請求項1に記載の表示基板。
- 前記光調整層の材料は、黒色インク、黒色ペースト、及び黒色フォトレジストのうちの少なくとも1つを含む、請求項1又は2に記載の表示基板。
- 前記光調整層の材料の吸収係数は2×10-5m-1~0.8m-1である、請求項1~3のいずれか1項に記載の表示基板。
- 前記光調整層の前記ベースから離れた表面は、前記複数の発光素子の前記ベースから離れた表面と同一のレベルにあるか、又は前記ベースに対して、前記複数の発光素子の前記ベースから離れた表面よりも高い、又は低い、請求項1~4のいずれか1項に記載の表示基板。
- 前記ベースに対して、前記光調整層の前記ベースから離れた表面は、前記複数の発光素子の前記ベースから離れた表面よりも0μm~50μm高い、又は、前記複数の発光素子の前記ベースから離れた表面よりも0μm~15μm低い、請求項5に記載の表示基板。
- 前記光調整層は、前記複数の発光素子の間の間隙内に位置する第1サブ光調整層と、前記第1サブ光調整層の前記ベースから離れた側に設けられた第2サブ光調整層と、を含み、
前記第1サブ光調整層の前記ベースから離れた表面は、前記複数の発光素子の前記ベースから離れた表面と同一のレベルにあるか、又は前記ベースに対して、前記複数の発光素子の前記ベースから離れた表面よりも高く、又は低く、
前記第1サブ光調整層の材料は、光反射材料を含み、
前記第1サブ光調整層は、発光素子から前記第1サブ光調整層に入射した光を反射して前記発光素子に戻すように配置され、
前記第2サブ光調整層の前記ベースから離れた表面は、前記複数の発光素子の前記ベースから離れた表面と同一のレベルにあるか、又は前記ベースに対して、前記複数の発光素子の前記ベースから離れた表面よりも高く、
前記第2サブ光調整層の材料は、光吸収材料を含み、
前記第2サブ光調整層は、前記第2サブ光調整層に入射した光を吸収するように配置される、
請求項1~4のいずれか1項に記載の表示基板。 - 前記第1サブ光調整層における光反射材料の反射率は85%~95%である、請求項7に記載の表示基板。
- 前記第1サブ光調整層の材料は、白色インク、白色ペースト、又は金属材料のうちの少なくとも一つを含む、請求項7又は8に記載の表示基板。
- 前記第1サブ光調整層の前記ベースから離れた表面と前記ベースとの距離と、前記複数の発光素子の前記ベースから離れた表面と前記ベースとの距離の差は、-15μm~15μmである、請求項7~9のいずれか1項に記載の表示基板。
- 前記第2サブ光調整層の厚さは、10μm~15μmである、請求項7~10のいずれか1項に記載の表示基板。
- 前記第2サブ光調整層の前記ベースへの正投影は、前記複数の発光素子の前記ベースへの正投影と重ならないか又はほぼ重ならなく、又は、
前記複数の発光素子の前記ベースへの正投影は、前記第2サブ光調整層の前記ベースへの正投影内に位置する、
請求項7~11のいずれか一項に記載の表示基板。 - さらに、前記複数の発光素子のうちの、各々の発光素子の側壁を覆う光反射層を含む、請求項1~12のいずれか1項に記載の表示基板。
- 表示基板の製造方法であって、
ベースを提供することと、
前記ベースの一側に互いに間隔をあけて複数の発光素子を設けることと、
前記複数の発光素子が設けられたベースに光調整層を形成することと、を含み、
前記複数の発光素子のうちの少なくとも1つの発光素子の側壁が前記光調整層によって囲まれるように、前記光調整層の少なくとも一部が前記複数の発光素子の間の間隙に位置し、
前記光調整層の材料は、光吸収材料を含み、
前記光調整層は、前記光調整層に入射した光を吸収するように配置される、
表示基板の製造方法。 - 前記した、前記複数の発光素子が設けられたベースに光調整層を形成することは、
前記複数の発光素子の間の間隙内に第1サブ光調整層を形成することと、前記第1サブ光調整層の前記ベースから離れた側に第2サブ光調整層を形成することと、を含み、
前記第1サブ光調整層の前記ベースから離れた表面は、前記複数の発光素子の前記ベースから離れた表面と同一のレベルにあるか、又は前記ベースに対して前記複数の発光素子の前記ベースから離れた表面よりも高く、又は低く、
前記第1サブ光調整層の材料は、光反射材料を含み、
前記第2サブ光調整層の前記ベースから離れた表面は、前記複数の発光素子の前記ベースから離れた表面と同一のレベルにあるか、又は前記ベースに対して、前記複数の発光素子の前記ベースから離れた表面よりも高く、
前記第2サブ光調整層の材料は、光吸収材料を含む、
請求項14に記載の表示基板の製造方法。 - 前記第1サブ光調整層を形成することは、ディスペンス工程、スプレー工程、及び3D印刷工程のうちのいずれかを採用し、
前記第2サブ光調整層を形成することは、ディスペンス工程、スプレー工程、ラインコーティング工程、3D印刷工程、フォトリソグラフィ工程、及び射出成形工程のうちのいずれかを採用する、
請求項15に記載の表示基板の製造方法。 - 前記した、前記複数の発光素子が設けられたベースに光調整層を形成することは、
前記複数の発光素子の前記ベースから離れた側に光調整薄膜を形成することと、
前記光調整薄膜を磨いて前記光調整薄膜の厚さを減少させ、前記光調整層を形成することとを含み、
前記ベースに対して、前記光調整薄膜の前記ベースから離れた表面は、前記複数の発光素子の前記ベースから離れた表面よりも高く、
前記光調整薄膜は、光吸収材料を含む、
請求項14に記載の表示基板の製造方法。 - 請求項1~13のいずれか1項に記載の表示基板を含む表示装置。
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KR (1) | KR20220131491A (ja) |
CN (1) | CN113439334B (ja) |
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TWI787693B (zh) | 2022-12-21 |
US20220052225A1 (en) | 2022-02-17 |
TW202129949A (zh) | 2021-08-01 |
EP4095914A4 (en) | 2023-01-25 |
KR20220131491A (ko) | 2022-09-28 |
EP4095914A1 (en) | 2022-11-30 |
WO2021147064A1 (zh) | 2021-07-29 |
TW202310392A (zh) | 2023-03-01 |
CN113439334B (zh) | 2024-03-26 |
CN113439334A (zh) | 2021-09-24 |
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