POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME

According to the present invention, a polarizing plate and a liquid crystal display device having the same are characterized in that a test and an examination are performed on a factor that causes separation between a polarizing plate and an optical sheet and the roughness and coefficient of frictio...

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Bibliographische Detailangaben
Hauptverfasser:	EO, YOON JUNG, LEE, SU MIN, KIM, HYUN SEUNG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING 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 FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	According to the present invention, a polarizing plate and a liquid crystal display device having the same are characterized in that a test and an examination are performed on a factor that causes separation between a polarizing plate and an optical sheet and the roughness and coefficient of friction of an external substrate are designed depending on the surface hardness of the external substrate of the polarizing plate by reflecting the result in order to prevent the separation. Therefore, the present invention provides an effect of solving the problem of separation between the polarizing plate and the optical sheet due to the slimness of the liquid crystal display, thereby providing a slim design without increases in cost. The polarizing plate includes a polarizer and an external substrate. 본 발명의 편광판 및 이를 구비한 액정표시장치는 편광판과 광학시트간 갈림을 발생시키는 인자에 대한 검토/실험을 진행하고, 그 결과를 반영하여 편광판의 외부기재의 표면 경도에 따라 외부기재의 조도와 마찰계수를 설계함으로써 갈림을 방지하는 것을 특징으로 한다. 이와 같이 본 발명은 액정표시장치의 슬림(slim)화에 따른 편광판과 광학시트간 갈림 문제를 해결함으로써 비용 증가 없이 슬림 디자인을 가능하게 하는 효과를 제공한다.