Privacy screen protection layer and touch display device

The present utility provides a privacy screen protection layer, which is arranged above a display panel. The privacy screen protection layer includes a first polarizing layer, a second polarizing layer, a viewing angle adjusting layer, and a touch sensing layer. The first polarizing layer and the se...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN, PING-YEN, FANG, CHUNG-YANG, LIANG, YU-WEI, LIN, YIN-JEN
Format:	Patent
Sprache:	chi ; eng
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 LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING
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Beschreibung
Zusammenfassung:	The present utility provides a privacy screen protection layer, which is arranged above a display panel. The privacy screen protection layer includes a first polarizing layer, a second polarizing layer, a viewing angle adjusting layer, and a touch sensing layer. The first polarizing layer and the second polarizing layer are sequentially disposed on a transmission path of a display beam coming from the display panel. The viewing angle adjusting layer is disposed on the transmission path and located between the first polarizing layer and the second polarizing layer for changing the output viewing angle range of the display beam. The touch sensing layer is disposed on the transmission path, above the viewing angle adjusting layer and opposite to the second polarizing layer. The present utility also provides a touch display device including the above-described privacy screen protection layer and the display panel.