IP Library Granted Patent US 9,871,075
Granted Patent B2
US 9,871,075 · App. 14/443,989 · Granted Jan 16, 2018

Optoelectronic semiconductor component

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Quick Facts
Patent No.
US 9,871,075
App. No.
14/443,989
Granted
Jan 16, 2018
Kind
B2
Abstract

An optoelectronic semiconductor component includes a first functional region having an active zone provided for generating radiation or for receiving radiation, and a second functional region, which is suitable for contributing to the driving of the first functional region. The first functional region and the second functional region are integrated on the same carrier substrate.

Claims (47)

1. An optoelectronic semiconductor component comprising:

a plurality of first functional regions, each first functional region comprising an active zone provided for generating or receiving radiation; and

a second functional region comprising a serial shift register and a driver or parts of a driver for the first functional regions, the second functional region being configured to generate a plurality of signals for driving the first functional regions,

wherein the first functional regions and the second functional region are integrated on the same carrier substrate, wherein the second functional region is configured to generate a pulse width modulation signal, and

wherein the second functional region extends at least partly between the active zones of two of the plurality of first functional regions, or

wherein the active zone of the first functional region extends in an epitaxial layer below which the second functional region at least partly extends.

2. The optoelectronic semiconductor component according to claim 1 , wherein the second functional region comprises a plurality of switches, each switch coupled in parallel with one of the first functional regions.

3. The optoelectronic semiconductor component according to claim 1 , wherein the second functional region comprises a transistor.

4. The optoelectronic semiconductor component according to claim 1 , wherein the first functional regions are coupled in series and a switch is coupled in parallel with at least one of the first functional regions.

5. The optoelectronic semiconductor component according to claim 1 , wherein the serial shift register has a data input and a plurality of signal outputs.

6. The optoelectronic semiconductor component according to claim 5 , wherein the signal outputs are electrically conductively connected to switches and each of the switches is coupled in parallel with one of the first functional regions.

7. The optoelectronic semiconductor component according to claim 1 , wherein the second functional region comprises a resistor or complementary transistors.

8. The optoelectronic semiconductor component according claim 1 , further comprising connections to apply an external data signal and an external clock signal and an external supply voltage or an external supply current, and an external data signal provided at an output connection.

9. The optoelectronic semiconductor component according to claim 1 , further comprising connections to apply an external data signal and connections to apply an external supply voltage or an external supply current, and an external data signal provided at an output connection.

10. The optoelectronic semiconductor component according to claim 1 , wherein the carrier substrate is a silicon substrate.

11. The optoelectronic semiconductor component according to claim 1 , wherein the first functional region comprises an LED.

12. An optoelectronic semiconductor component comprising:

a carrier substrate;

a first functional region integrated on the carrier substrate, the first functional region comprising a plurality of LEDs; and

a second functional region integrated on the carrier substrate, wherein the second functional region comprises a serial shift register having a data input and being suitable for contributing to driving of the first functional region, wherein the second functional region is configured to generate a pulse width modulation signal, and

wherein the shift register extends at least partly between active zones of two of the plurality of LEDs, or

wherein an active zone of the LEDs extends in an epitaxial layer, the shift register extending at least partially below the epitaxial layer.

13. An optoelectronic semiconductor component comprising:

a plurality of LEDs disposed in a substrate, the LEDs being coupled in series;

a plurality of transistors disposed in the substrate, each transistor having a control input and a current path coupled in parallel with an associated one of the LEDs; and

a shift register disposed in the substrate, the shift register having a plurality of outputs, each output being coupled to the control input of an associated transistor,

wherein the shift register extends at least partly between active zones of two of the plurality of LEDs, or

wherein an active zone of the LEDs extends in an epitaxial layer, the shift register extending at least partially below the epitaxial layer.

14. The optoelectronic semiconductor component according to claim 13 , wherein the shift register is configured to generate a plurality of pulse width modulation signals.

15. The optoelectronic semiconductor component according to claim 13 , further comprising connections to apply an external data signal and an external clock signal and an external supply voltage or an external supply current, and an external data signal provided at an output connection.

16. An optoelectronic semiconductor component comprising:

a plurality of first functional regions, each first functional region comprising an active zone provided for generating or receiving radiation; and

a second functional region comprising a serial shift register and a driver or parts of a driver for the first functional regions, the second functional region being configured to generate a plurality of signals for driving the first functional regions, wherein the first functional regions and the second functional region are integrated on the same carrier substrate, and

wherein the second functional region extends at least partly between the active zones of two of the plurality of first functional regions, or

wherein the active zone of the first functional region extends in an epitaxial layer below which the second functional region at least partly extends.

17. An optoelectronic semiconductor component comprising:

a carrier substrate;

a first functional region integrated on the carrier substrate, the first functional region comprising an active zone provided for generating radiation or for receiving radiation; and

a second functional region integrated on the carrier substrate, wherein the second functional region comprises a serial shift register having a data input and being suitable for contributing to driving of the first functional region, and

wherein the second functional region extends at least partly between the active zones of two of a plurality of first functional regions, or

wherein the active zone of the first functional region extends in an epitaxial layer below which the second functional region at least partly extends.

18. An optoelectronic semiconductor component comprising:

a plurality of LEDs disposed in a substrate, the LEDs being coupled in series;

a plurality of transistors disposed in the substrate, each transistor having a control input and a current path coupled in parallel with an associated one of the LEDs; and

a shift register disposed in the substrate, the shift register having a plurality of outputs, each output being coupled to the control input of an associated transistor,

wherein the shift register extends at least partly between active zones of two of the plurality of LEDs, or

wherein an active zone of the LEDs extends in an epitaxial layer, the shift register extending at least partially below the epitaxial layer.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 3, 2020
From: OSRAM OPTO SEMICONDUCTORS GMBH
To: OSRAM OLED GMBH
Reel/Frame 051467/0906 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 7, 2015
From: GRÖTSCH, STEFAN; KIESSLING, MATTHIAS; WITTMANN, MICHAEL; GRUBER, STEFAN
To: OSRAM OPTO SEMICONDUCTORS GMBH
Reel/Frame 037228/0356 →