Optical membrane used for light-guiding plate
The invention provides an optical membrane used for a light-guiding plate. The optical membrane is attached to the side face of the light-guiding plate without patterns and comprises a transparent substrate film, multiple prism pillars which are arrayed in parallel are formed on the substrate film,...
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Format | Patent |
Language | Chinese English |
Published |
09.11.2018
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Subjects | |
Online Access | Get full text |
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Abstract | The invention provides an optical membrane used for a light-guiding plate. The optical membrane is attached to the side face of the light-guiding plate without patterns and comprises a transparent substrate film, multiple prism pillars which are arrayed in parallel are formed on the substrate film, the cross sections of the prism pillars are in an isosceles trapezoid shape, the larger the densities of the prism pillars are, the closer the prism pillars are to an LED light source, and the smaller densities of the prism pillars are, the farther the prism pillars are to the LED light source. Under the condition that the existing light-guiding plate without patterns does not need to be changed, the optical membrane with a specific pattern structure of the optical membrane is attached to the surface of the light-guiding plate without patterns to form back light enabling the brightness of a whole displayer to be even, and the defect that the brightness of the liquid crystal displayer is noteven can be overcome; com |
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AbstractList | The invention provides an optical membrane used for a light-guiding plate. The optical membrane is attached to the side face of the light-guiding plate without patterns and comprises a transparent substrate film, multiple prism pillars which are arrayed in parallel are formed on the substrate film, the cross sections of the prism pillars are in an isosceles trapezoid shape, the larger the densities of the prism pillars are, the closer the prism pillars are to an LED light source, and the smaller densities of the prism pillars are, the farther the prism pillars are to the LED light source. Under the condition that the existing light-guiding plate without patterns does not need to be changed, the optical membrane with a specific pattern structure of the optical membrane is attached to the surface of the light-guiding plate without patterns to form back light enabling the brightness of a whole displayer to be even, and the defect that the brightness of the liquid crystal displayer is noteven can be overcome; com |
Author | WU PEIFU |
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Discipline | Medicine Chemistry Sciences Physics |
DocumentTitleAlternate | 种导光板用光学膜片 |
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Notes | Application Number: CN20181561304 |
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PublicationYear | 2018 |
RelatedCompanies | JIANGSU SHUANGXING COLOR PLASTIC NEW MATERIALS CO., LTD |
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Snippet | The invention provides an optical membrane used for a light-guiding plate. The optical membrane is attached to the side face of the light-guiding plate without... |
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SubjectTerms | 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 |
Title | Optical membrane used for light-guiding plate |
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