Display device and electronic equipment employing the same
US6462724B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1999 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Jul 1, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0646
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An ON/OFF control signal 105 directive of turning ON in a transmissive display mode or turning OFF in a reflective display mode is output by an ON/OFF state controlling means 111 to a light source 115. The ON/OFF control signal 105 is also output to a data signal converting means 104, and the data signal converting means 104 converts a data signal 102 into a data signal 103 in synchronization with the switching of ON and OFF of the light source 115 so as to prevent positive-negative inversion of the display on a liquid crystal panel 114. A data signal potential supplying means 112 supplies a potential of a data signal based on the data signal 103 to a data signal line 113 so as to drive the liquid crystal panel 114.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.