Optoelectronic semiconductor component and method for producing an optoelectronic semiconductor component
View Patent ↗An optoelectronic semiconductor component has a carrier and at least one semiconductor chip for emitting electromagnetic radiation. The semiconductor chip has two or more individually controllable elements. The semiconductor component additionally has a wavelength conversion element for at least partial conversion of the primary radiation emitted by the semiconductor chip into a secondary electromagnetic radiation. Each of the elements is suitable for generating primary radiation. The wavelength conversion element is structured into subregions. At least one individually controllable element of the semiconductor chip is associated with each subregion of the wavelength conversion element.
1. An optoelectronic semiconductor component comprising:
a carrier;
a semiconductor chip that emits electromagnetic radiation during operation, wherein the semiconductor chip is arranged on the carrier, and wherein the semiconductor chip has a plurality of individually activatable elements capable of generating primary radiation; and
a wavelength conversion element for at least partially converting the primary radiation emitted from the semiconductor chip into electromagnetic secondary radiation, wherein the wavelength conversion element is arranged downstream from the semiconductor chip in a emission direction, wherein the wavelength conversion element is structured into partial regions, at least one individually activatable element of the semiconductor chip being associated with each partial region of the wavelength conversion element,
wherein the wavelength conversion element is implemented in one piece,
wherein the wavelength conversion element comprises a plurality of trenches,
wherein the trenches are filled with a filling material,
wherein the filling material is a nontransparent material,
wherein the trenches have a depth such that they penetrate the wavelength conversion element by at least 20% and at most 80%, and wherein the trenches extend into the wavelength conversion element from a surface, facing away from the semiconductor chip, towards the semiconductor chip.
2. The optoelectronic semiconductor component according to claim 1 , wherein the wavelength conversion element has a height of greater than or equal to 1 μm and less than or equal to 300 μm.
3. The optoelectronic semiconductor component according to claim 2 , wherein the partial regions have a width of greater than or equal to 3 μm and less than or equal to 200 μm, and wherein the trenches have a width of less than or equal to 20 μm.
4. The optoelectronic semiconductor component according to claim 2 , wherein each trench has two flanks arranged opposite to one another, and wherein the flanks are coated with a nontransparent material.
5. The optoelectronic semiconductor component according to claim 1 , wherein the wavelength conversion element is implemented such that crosstalk of radiation emitted from the individually activatable elements of the semiconductor chip is prevented.
6. The optoelectronic semiconductor component according to claim 1 , wherein the wavelength conversion element is structured into a plurality of microlenses, and wherein each respective microlens is a convex microlens.
7. The optoelectronic semiconductor component according to claim 1 , wherein the wavelength conversion element comprises a ceramic.
8. The optoelectronic semiconductor component according to claim 1 , wherein the wavelength conversion element consists of a ceramic.
9. The optoelectronic semiconductor component according to claim 1 , wherein the wavelength conversion element has a phosphor in a matrix material.
10. The optoelectronic semiconductor component according to claim 1 , wherein both positive and negative charge carriers are supplied to the semiconductor chip from a side of the semiconductor chip facing toward the carrier.
11. The optoelectronic semiconductor component according to claim 1 , wherein the carrier has a plurality of switches, wherein each switch is configured to control at least one of the individually activatable elements.
12. An optoelectronic semiconductor component comprising:
a carrier;
a semiconductor chip that emits electromagnetic radiation during operation, wherein the semiconductor chip is arranged on the carrier, and wherein the semiconductor chip has a plurality of individually activatable elements; and
a wavelength conversion element for at least partially converting a primary radiation emitted from the semiconductor chip into electromagnetic secondary radiation,
wherein the wavelength conversion element is arranged downstream from the semiconductor chip in an emission direction,
wherein each of the individually activatable elements is capable of generating the primary radiation,
wherein the wavelength conversion element is structured into partial regions,
wherein at least one individually activatable element of the semiconductor chip is associated with each partial region of the wavelength conversion element,
wherein the wavelength conversion element is implemented in one piece,
wherein the wavelength conversion element has a plurality of trenches,
wherein the trenches are filled with a filling material,
wherein the filling material is a non-transparent material,
wherein the trenches have a depth such that they penetrates the wavelength conversion element by at least 20% and at most 80%, wherein the trench extends into the wavelength conversion element from a surface, facing away from the semiconductor chip, towards the semiconductor chip, wherein the trenches are completely filled such that surfaces of the trenches, facing away from the semiconductor chip, terminate flush with the surface of the wavelength conversion element, facing away from the semiconductor chip, and wherein the surface of the wavelength conversion element, facing away from the semiconductor chip, is level.