APPARATUS FOR FORMING PATTERN ON LIGHT GUIDE PLATE

The present invention relates to a pattern forming apparatus for forming a pattern on a Light Guide Plate (LGP) for backlight of a Liquid Crystal Display (LCD), a keypad, a telephone, a surface light source for lighting, etc. The apparatus includes a temperature control member provided at a top of a...

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Bibliographische Detailangaben
Hauptverfasser:	RHEW CHOONGYOP, LEE JUNKYU, PARK DEUKIL
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a pattern forming apparatus for forming a pattern on a Light Guide Plate (LGP) for backlight of a Liquid Crystal Display (LCD), a keypad, a telephone, a surface light source for lighting, etc. The apparatus includes a temperature control member provided at a top of a base mold and controlling a temperature of an LGP, a pattern mold provided at a top of the temperature control member, supporting a bottom side surface of the LGP, and having a plurality of patterns on a top surface such that the patterns can be replicated to the LGP, and a press roller unit for pressing a top surface of the LGP