Title:
OPTOELECTRONIC DISPLAY DEVICE AND METHOD FOR OPERATING AN OPTOELECTRONIC DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/109111
Kind Code:
A3
Abstract:
The invention relates to an optoelectronic display device (10) comprises: a plurality of pixels (12), each pixel (12) comprising at least a first optoelectronic semiconductor component (13) for producing light of a first color and a second optoelectronic semiconductor component (14) for producing light of a second color; and a control unit (16), which is designed to apply a first pulse-width-modulated signal to the first optoelectronic semiconductor component (13) of at least one of the pixels (12) and to apply a second pulse-width-modulated signal to the second optoelectronic semiconductor component (14) of the at least one pixel (12), the pulses (20) of at least one of the first and the second pulse-width-modulated signals each comprising a first pulse part (21) and a second pulse part (22) and the first pulse part (21) having a greater pulse height than the second pulse part (22), or the pulses (31) of the first pulse-width-modulated signal and the pulses (32) of the second pulse-width-modulated signal having different pulses lengths.
Inventors:
RUEGHEIMER TILMAN (DE)
HALBRITTER HUBERT (DE)
HALBRITTER HUBERT (DE)
Application Number:
PCT/EP2019/081952
Publication Date:
August 13, 2020
Filing Date:
November 20, 2019
Export Citation:
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH (DE)
International Classes:
H05B45/24; G09F9/33; G09G3/32
Foreign References:
| US6618031B1 | 2003-09-09 | |||
| US20090079677A1 | 2009-03-26 | |||
| US20040233148A1 | 2004-11-25 | |||
| US20080303804A1 | 2008-12-11 | |||
| US20180040276A1 | 2018-02-08 |
Attorney, Agent or Firm:
ZACCO PATENT- & RECHTSANWÄLTE (DE)
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