Display device with controllable viewing angle

According to an embodiment of the present invention, a display device includes: a display panel including a plurality of pixels in a matrix form and having a first pixel and a second pixel adjacent to each other among the plurality of pixels to form a group pixel; a barrier layer disposed on the dis...

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Bibliographische Detailangaben
Hauptverfasser:	DAEYONG KIM, SEMIN LEE, JAEJUNG HAN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	According to an embodiment of the present invention, a display device includes: a display panel including a plurality of pixels in a matrix form and having a first pixel and a second pixel adjacent to each other among the plurality of pixels to form a group pixel; a barrier layer disposed on the display panel and including an opening portion disposed in some area of the group pixel for transmitting light and an electrochromic element positioned in a remaining area of the group pixel; and a driver configured to selectively drive a wide viewing angle mode and a narrow viewing angle mode by controlling a signal applied to the display panel and the barrier layer. Accordingly, the resolution and luminance of the display device are prevented from being reduced. 일 실시예에 따른 표시장치는 복수의 화소가 매트릭스 형태로 배열되고, 상기 복수의 화소 중 인접한 제1 화소, 제2 화소가 하나의 그룹 화소를 이루는 디스플레이 패널; 상기 디스플레이 패널의 상부에 배치되고, 상기 그룹 화소의 일부 영역에 위치하여 빛을 투과시키는 개구부와 상기 그룹 화소의 나머지 영역에 위치한 전기변색소자를 갖도록 형성된 배리어층; 및 상기 디스플레이 패널 및 상기 배리어층에 인가되는 신호를 제어하여 광시야각 모드 및 협시야각 모드를 선택적으로 구동하는 구동부; 를 포함한다.