JP2022120339A - 基板構造体、発光装置及び基板構造体の製造方法 - Google Patents
基板構造体、発光装置及び基板構造体の製造方法 Download PDFInfo
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Abstract
Description
10 基板
11 第1の基板
13 第2の基板
15 第3の基板
17 上面被覆膜
19 絶縁部
20 枠体
21 枠体延伸部
23 枠基材
24 枠体被覆膜
31 第1の発光素子
33 第2の発光素子
37 発光素子
40 波長変換体
51 第1の保護素子
53 第2の保護素子
60 素子接合層
70 接着樹脂
80 被覆部材
90 基板母材
Claims (18)
- 互いに間隙を挟んで離間して並置されており各々が金属からなる複数の基板と、
前記間隙を充填するように形成されたセラミックからなる絶縁部と、
前記複数の基板の各々の一方の基板面を一体的に覆うように形成されかつ前記複数の基板のうちの1の基板の前記一方の基板面と前記1の基板に隣接する他の基板の前記一方の基板面に前記間隙を跨いで亘っており、素子を載置する素子載置領域を露出する開口部を含む絶縁性の上面被覆膜と、を含む基板構造体。 - 前記絶縁部は、セラミック溶射皮膜であることを特徴とする請求項1に記載の基板構造体。
- 前記絶縁部は、無機接着剤を原料とすることを特徴とする請求項1に記載の基板構造体。
- 前記上面被覆膜は、予めシート状に形成されたポリイミド樹脂であることを特徴とする請求項1乃至3のいずれか1項に記載の基板構造体。
- 前記複数の基板は、銅、アルミニウム、鉄又はいずれか1つ以上の金属を含む合金からなることを特徴とする請求項1乃至4のいずれか1項に記載の基板構造体。
- 互いに間隙を挟んで離間して並置されており各々が金属からなる複数の基板、前記間隙を充填するように形成されたセラミックからなる絶縁部及び前記複数の基板の各々の一方の基板面を一体的に覆うように形成されかつ前記複数の基板のうちの1の基板の前記一方の基板面と前記1の基板に隣接する他の基板の前記一方の基板面に前記間隙を跨いで亘っており、素子を載置する素子載置領域を露出する開口部を有する絶縁性の上面被覆膜を含む基板構造体と、
前記開口部によって露出された領域に配された複数の発光素子と、を含むことを特徴とする発光装置。 - 前記絶縁部は、セラミック溶射皮膜であることを特徴とする請求項6に記載の発光装置。
- 前記絶縁部は、無機接着剤を原料とすることを特徴とする請求項6に記載の発光装置。
- 前記上面被覆膜は、予めシート状に形成されたポリイミド樹脂であることを特徴とする請求項6乃至8のいずれか1項に記載の発光装置。
- 前記複数の基板は、銅、アルミニウム、鉄又はいずれか1つ以上の金属を含む合金からなることを特徴とする請求項6乃至9のいずれか1項に記載の発光装置。
- 前記発光装置は、
前記基板構造体の上面に前記上面被覆膜を介して接合され、前記基板構造体の上面上に前記基板構造体の周囲に沿って伸張する枠体をさらに含むことを特徴とする請求項6乃至10のいずれか1項に記載の発光装置。 - 前記複数の発光素子は、各々が支持基板、前記支持基板の各々の上面に形成された発光層を含む半導体層及び前記支持基板に形成された電極を有することを特徴とする請求項6乃至11のいずれか1項に記載の発光装置。
- 前記発光装置は、
前記複数の発光素子上に亘って延在する波長変換体と、
前記複数の発光素子と前記波長変換体の側面とを覆うように形成された光反射性の充填材と、をさらに含むことを特徴とした請求項6乃至12のいずれか1項に記載の発光装置。 - 基板構造体の製造方法であって、
金属からなる基板母材を準備する基板母材準備工程と、
前記基板母材の一方の基板面を覆うように上面被覆膜を形成する上面被覆膜形成工程と、
前記基板母材を互いに間隙を挟んで離間して並置するように前記一方の基板面と対向する面から複数の基板に分割する基板分割工程と、
前記複数の基板の各々の前記間隙にセラミックからなる絶縁部を形成する絶縁部形成工程と、
前記上面被覆膜に、前記複数の基板のうちの1の基板の前記一方の基板面と前記1の基板に隣接する他の基板の前記一方の基板面に前記間隙を跨いで亘っており、素子を載置する素子載置領域を露出する開口部を形成する開口部形成工程と、を含むことを特徴とする基板構造体の製造方法。 - 前記上面被覆膜形成工程において、予めシート状に形成されたポリイミド樹脂を基板母材の前記一方の基板面に貼り付けて前記上面被覆膜を形成することを特徴とする請求項14に記載の基板構造体の製造方法。
- 前記絶縁部形成工程において、セラミック溶射によって前記間隙にセラミック溶射被膜を充填して前記絶縁部を形成することを特徴とする請求項14又は15に記載の基板構造体の製造方法。
- 前記絶縁部形成工程において、無機接着剤を前記間隙に充填して硬化させて前記絶縁部を形成することを特徴とする請求項14又は15に記載の基板構造体の製造方法。
- 前記開口部形成工程において、前記一方の基板面から前記上面被覆膜にレーザを照射して前記開口部を形成することを特徴とする請求項15乃至17のいずれか1項に記載の基板構造体の製造方法。
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