(19)
(11) EP 2 998 952 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.07.2016 Bulletin 2016/28

(43) Date of publication A2:
23.03.2016 Bulletin 2016/12

(21) Application number: 15400015.2

(22) Date of filing: 14.04.2015
(51) International Patent Classification (IPC): 
G09G 3/00(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA

(30) Priority: 18.04.2014 TW 103114112

(71) Applicant: Panoramic Imaging Solutions LTD.
235 New Taipei City (TW)

(72) Inventors:
  • MA, Chih-Hung
    235 New Taipei City (TW)
  • Yang, Tsung-Lung
    235 New Taipei City (TW)
  • KUO, Chih-Wei
    235 New Taipei City (TW)
  • Wang, Shih-Pang
    235 New Taipei City (TW)
  • Tsai, Meng-Han
    235 New Taipei City (TW)

(74) Representative: Patentanwälte Klickow & Partner Partnerschaftsgesellschaft mbB 
Jessenstraße 4
22767 Hamburg
22767 Hamburg (DE)

   


(54) IMAGE SELF CALIBRATION METHOD AND DEVICE FOR LCD DISPLAYS


(57) The present invention provides an image self-calibration method and device for LCD displays, comprising a front optical sensor and a calibration reference device. The front optical sensor is employed to calibrate the gray scale level and color temperature of the display. The calibration reference device is employed to pre-calibrate the front optical sensor. The present invention has the following advantages. Image pre-calibration is performed on the installed optical sensor before it leaves a factory, and the calibrated optical sensor directly performs gray scale level and color temperature calibration on the display. The present invention is easy to implement, can effectively inspect and calibrate images on the display, and can save human resources and reduce manufacture and maintenance time.







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