Light emitter and method for manufacturing the same

Patent metadata

Field	Value
Publication number	US-9509116-B2
Application number	US-201313855747-A
Country	US
Kind code	B2
Filing date	Apr 3, 2013
Priority date	Apr 4, 2012
Publication date	Nov 29, 2016
Grant date	Nov 29, 2016

Abstract

A method for producing a radiation arrangement includes providing a first substrate, arranging a first radiation source or generating first electromagnetic radiation thereon, arranging a first deflection element on the first substrate in a beam path of the first electromagnetic radiation such that the first electromagnetic radiation is deflected in a direction away from the first substrate, providing a second substrate, forming a first coupling-out region in the second substrate at a predefined position, determining an actual position of the first coupling-out region, detecting the deflected first electromagnetic radiation as a result of which a beam path of the deflected first electromagnetic radiation can be determined, aligning the first radiation source and the first deflection element on the first substrate depending on the determined actual position of the first coupling-out region.

First claim

The invention claimed is:

1. A method for producing a radiation arrangement, the method comprising:
providing a first substrate,
arranging a first radiation source for generating first electromagnetic radiation on the first substrate,
arranging a first deflection element configured to deflect a beam path of the first electromagnetic radiation away from the first substrate,
providing a second substrate,
forming a first coupling-out region in the second substrate at a predefined desired position,
determining an actual position of the first coupling-out region relative to the first substrate,
detecting a beam path of the deflected first electromagnetic radiation,
aligning the first radiation source and the first deflection element on the first substrate such that the beam path of the deflected first electromagnetic radiation and the determined actual position of the first coupling-out region are aligned relative to one another, and
arranging the second substrate on the first substrate.

2. The method as claimed in claim 1 , wherein at least one of the first radiation source and the first deflection element is aligned on the first substrate by being displaced on the first substrate parallel to a surface of the first substrate.

3. The method as claimed in claim 1 , wherein the first coupling-out region has a first coupling-out point, and wherein the first radiation source and the first deflection element are aligned on the first substrate such that, with the second substrate arranged on the first substrate, the beam path of the deflected first electromagnetic radiation runs through the coupling-out point.

4. The method as claimed in claim 3 , wherein the first coupling-out region is formed in the second substrate by a coupling-out optical unit for coupling out the deflected first electromagnetic radiation being formed in the second substrate, wherein the coupling-out optical unit forms the first coupling-out region and has the first coupling-out point.

5. The method as claimed in claim 3 , wherein the first coupling-out region is formed in the second substrate by a cutout for coupling out the deflected first electromagnetic radiation being formed in the second substrate, wherein the cutout forms the first coupling-out region and includes the first coupling-out point, and wherein a coupling-out optical unit is arranged in a manner overlapping the cutout on the second substrate and is aligned depending on the first coupling-out point on the second substrate.

6. The method as claimed in claim 1 , wherein the first coupling-out region is formed in the second substrate by a cutout for coupling out the deflected first electromagnetic radiation being formed in the second substrate, and wherein a coupling-out optical unit for coupling out the deflected first electromagnetic radiation is arranged on the second substrate and is aligned depending on the beam path of the deflected electromagnetic radiation on the second substrate.

7. The method as claimed in claim 1 , wherein spacers are arranged between the first substrate and the second substrate, and predefine a spacing between the first substrate and the second substrate.

8. The method as claimed in claim 7 , wherein the spacers are formed integrally with the second substrate.

9. The method as claimed in claim 7 , wherein a housing is formed by the first substrate, the second substrate and the spacers, and wherein a protective atmosphere is formed in the housing.

10. The method as claimed in claim 9 , wherein the housing is closed with the aid of the coupling-out optical unit.

11. The method as claimed in claim 1 , wherein the first radiation source and the first deflection element are arranged on the first substrate and aligned relative to the first substrate and to one another by the first radiation source and the first deflection element firstly being arranged on a first carrier substrate and being aligned relative to one another on the first carrier substrate, and by the first carrier substrate then being aligned on the first substrate.

12. The method as claimed in claim 1 , further comprising:
arranging a second radiation source for generating second electromagnetic radiation and a third radiation source for generating third electromagnetic radiation on the first substrate,
forming at least one of a second and a third coupling-out region in the second substrate,
determining actual positions of at least one of the second and third coupling-out region relative to the first substrate,
detecting a beam path of at least one of the deflected second and third electromagnetic radiation, and
aligning at least one of the second radiation source and the third radiation source on the first substrate such that the beam path of at least one of the deflected second and third electromagnetic radiation and the determined actual positions of said at least one of the second and third coupling-out region are aligned, respectively relative to one another.

13. The method as claimed in claim 12 , wherein at least one of a second deflection element is arranged for the purpose of deflecting the electromagnetic radiation of the second radiation source and a third deflection element is arranged for the purpose of deflecting the electromagnetic radiation of the third radiation source, and wherein said at least one of the second deflection element and the third deflection element is aligned on the first substrate relative to the second radiation source and the third radiation source, respectively, such that, with the second substrate arranged on the first substrate, the beam path of the deflected second electromagnetic radiation runs through the second coupling-out region and the beam path of the deflected third electromagnetic radiation runs through the third coupling-out region.

14. The method as claimed in claim 1 , wherein, for the purpose of combining the coupled-out electromagnetic radiation, a combining optical unit is arranged above the second substrate.

15. The method as claimed in claim 1 , wherein the first deflection element is arranged in a configuration to deflect a beam path of the first electromagnetic radiation away from the first substrate immediately upon contact of the beam path of the first electromagnetic radiation with the deflection element.

16. The method as claimed in claim 1 , wherein the first deflection element is a first deflection mirror.

17. A radiation arrangement embodied by a method for producing a radiation arrangement, the method comprising:
providing a first substrate,
arranging a first radiation source for generating first electromagnetic radiation on the first substrate,
arranging a first deflection element configured to deflect a beam path of the first electromagnetic radiation away from the first substrate,
providing a second substrate,
forming a first coupling-out region in the second substrate at a predefined desired position,
determining an actual position of the first coupling-out region relative to the first substrate,
detecting a beam path of the deflected first electromagnetic radiation,
aligning the first radiation source and the first deflection element on the first substrate such that the beam path of the deflected first electromagnetic radiation and the determined actual position of the first coupling-out region are aligned relative to one another, and
arranging the second substrate on the first substrate.

18. The radiation arrangement as claimed in claim 17 , wherein the first deflection element is arranged in a configuration to deflect a beam path of the first electromag

Assignees

• Osram Gmbh

Inventors

• Breidenassel Andreas
• Drumm Jan Oliver

Classifications

• F21V7/00

  Reflectors for light sources (characterised by cooling arrangements F21V29/505) · CPC title

• H01S5/4031

  Edge-emitting structures · CPC title

• H01S5/0222

  Gas-filled housings · CPC title

• H01S5/0071 Primary

  for beam steering, e.g. using a mirror outside the cavity to change the beam direction · CPC title

• H01S5/0014 Primary

  Measuring characteristics or properties thereof (measuring techniques per se G01J, G01K, G01N, G01R) · CPC title