ORGANIC LIGHT EMITTING DISPLAY DEVICE

• Main Authors: SHIN KWANG-SUK, JUN BONG-JU, CHUNG WONGANG
• Format: Patent
• Language: English; Japanese
• Published: 25.07.2016
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; BASIC ELECTRIC ELEMENTS; CRYPTOGRAPHY; DISPLAY; EDUCATION; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PHYSICS; SEALS; SEMICONDUCTOR DEVICES

PROBLEM TO BE SOLVED: To provide an organic light emitting display device that can sufficiently secure a product life guarantee time.SOLUTION: An organic light emitting display device includes: a display panel that is provided with a plurality of pixels; a scanning drive unit that supplies a scan signal to the pixel; a data drive unit that supplies a data signal to the pixel; a look-up table that stores an efficient curve in accordance with an accumulated drive time of the pixel; a life register that includes an efficiency conversion area having deterioration data on the pixel stored with the deterioration data thereon accumulated and for deriving the efficiency curve from the look-up table; and a control unit that updates the efficiency conversion area and the look-up table on the basis of the accumulated drive time derived from the accumulated deterioration data, converts input picture data into output picture data by use of the efficiency conversion area and the look-up table, and supplies a control signal corresponding to the output picture data to the scanning drive unit and data drive unit.SELECTED DRAWING: Figure 2 【課題】寿命保証時間を十分に確保することができる有機発光表示装置を提供する。【解決手段】有機発光表示装置は、複数の画素を備えた表示パネル、画素にスキャン信号を供給するスキャン駆動部、画素にデータ信号を供給するデータ駆動部、画素の累積駆動時間に従う効率カーブを格納するルックアップテーブル、画素の劣化データが累積されて格納され、ルックアップテーブルから画素の効率カーブを導出するための効率転換領域を含む寿命レジスタ、及び累積された劣化データから導出された累積駆動時間に基づいて効率転換領域及びルックアップテーブルを更新し、効率転換領域及びルックアップテーブルを用いて入力映像データを出力映像データに変換し、出力映像データに相応する制御信号をスキャン駆動部及びデータ駆動部に供給する制御部を含む。【選択図】図２