阅读说明：本技术 具有独立发光构造的led/ld照明装置及其生产方法 (LED/LD lighting device with independent light emitting structure and production method thereof ) 是由 S·莱默尔 弗朗茨·施兰克 P·乌伊茨 W·布鲁格 T·伊兰 于 2018-05-24 设计创作，主要内容包括：本发明涉及一种照明装置(1),其包括基板(2)、与基板(2)连接从而被密封的不透明间隔件(4)、与所述基板(2)相对的间隔件(4)中的开口、以及位于间隔件(4)下方且位于开口下方的照明元件(3),所述元件与基板(2)连接从而被密封,其特征在于间隔件(4)中的开口由玻璃材料组成的光学元件(5)闭合,从而被密封,所述光学元件的体积包括至少一种发光体并因此构成发光复合玻璃材料。(The invention relates to a lighting device (1) comprising a substrate (2), an opaque spacer (4) connected to the substrate (2) so as to be sealed, an opening in the spacer (4) opposite the substrate (2), and a lighting element (3) located below the spacer (4) and below the opening, said element being connected to the substrate (2) so as to be sealed, characterized in that the opening in the spacer (4) is closed by an optical element (5) consisting of a glass material so as to be sealed, the volume of said optical element comprising at least one luminophore and thus constituting a luminescent composite glass material.)

1. A lighting device (1) comprising

-a substrate (2),

-an opaque spacer (4) connected to the substrate (2) in a sealed manner,

-an opening in the spacer (4) opposite the substrate (2),

-a lighting element (3) located below the spacer (4) and below the opening and connected to the base plate (2) in a sealed manner,

it is characterized in that

The opening of the spacer (4) is closed in a sealed manner by an optical element (5) made of a glass material, the volume of which comprises at least one light-emitting substance and is thus a luminescent glass composite material.

2. The lighting device (1) according to claim 1,

it is characterized in that

The glass composite material is a homogeneous luminescent glass composite material.

3. The lighting device (1) according to claim 2,

it is characterized in that

The individual or total luminous concentration is uniformly distributed in the range from 5 to 40% by volume, preferably between 10 and 25% by volume.

4. The lighting device (1) according to claim 1, 2 or 3,

it is characterized in that

The luminescent substance is a garnet and/or a nitride/oxynitride and/or oxide, preferably a YAG: ce³⁺，LuAG.Ce³⁺And/or Y₂O₃：EU³⁺。

5. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The spacer (4) is formed in the shape of a metal cover.

6. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The substrate (2) is formed of ceramic or ceramic PCB.

7. The lighting device (1) according to one of the preceding claims,

it is characterized in that

An air space (6) accommodating the lighting element (3) is formed between the glass composite material and the substrate (2).

8. The lighting device (1) according to one of the preceding claims, characterized in that

The base plate (2) and the spacer (4) are hermetically soldered, welded, preferably laser-welded.

9. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The lighting element (3) is based on a blue emitting LED chip.

10. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The glass composite comprises a light scattering additive and/or a filler material.

11. The lighting device (1) according to claim 10,

it is characterized in that

From Al₂O₃And/or TiO₂A light scattering additive is provided.

12. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The spacer (4) and the glass composite material are sealingly connected by fusing at about 1000 ℃ under a protective gas.

13. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The glass composite material comprises additional additives that prevent separation of the dye particles from the glass matrix during production of the lighting device (1).

14. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The electrical contacts of the lighting element (3) are sealed on the underside thereof and are also hermetically guided to the outside by means of glass feed-throughs or by means of metal through-connections through the substrate (2).

15. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The thickness of the glass composite is between 0.2 and 1.0mm, preferably between 0.4 and 0.8 mm.

16. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The lighting device (1) is designed as a ring lamp or in the form of a corresponding structural shape.

17. The lighting device (1) according to one of the preceding claims,

it is characterized in that

The optical element (5) made of a luminescent glass composite has a curvature on one or both sides.

18. The lighting device (1) according to one of the preceding claims,

it is characterized in that

All components of the device are made of materials and their interconnections are designed such that the device (1) is autoclavable, i.e. suitable for superheated steam sterilization, and resistant to high temperature shock.

19. Method of producing a lighting device (1) according to the preceding claims 1 to 18,

the method is characterized by comprising the following steps:

-producing a sealed connection between the spacer (4) and the optical element (5):

variation 1: A) manufacturing a rod-shaped glass body by melting glass powder having luminescent particles and any additives uniformly mixed therein;

B) separating a glass sheet of a desired thickness from the glass body;

C) -inserting the glass plate in an opening of the spacer (4);

D) fusion in a sealed manner under protective gas at about 1000 ℃;

variation 2: a) pressing a glass powder having luminescent particles and any additives homogeneously mixed therein;

b) inserting a plate into the opening of the spacer (4);

c) fusion in a sealed manner under protective gas at about 1000 ℃;

-attaching the lighting element (3) to the substrate (2) in a sealed manner and sealing the wires of the lighting element (3) through the substrate (2) by means of glass feed-throughs or metal through-connections;

-connecting the base plate (2) to the spacer (4) in a sealed manner by means of soldering, welding, preferably laser welding.

20. The method of claim 19, wherein the first and second portions are selected from the group consisting of,

it is characterized in that

During the fusing step, the optical element (5) is shaped by means of a suitable mould element.

21. Medical, in particular dental or contra-angle handpiece,

it is characterized in that

Comprising a lighting device according to one of the preceding claims.