Abstract: A display device includes a display panel having a first transparent subpixel, a second transparent subpixel and a third transparent subpixel. A light source part provides light to the display panel. The light source part including a first light source configured to generate red light, a second light source configured to generate green light and a third light source configured to generate blue light. The third light source includes a blue light emitting diode and a wavelength shift layer. The wavelength of the blue light emitted from the third light source has a first peak within a range of about 445 nm to about 450 nm and a second peak within a range of about 450 nm to about 540 nm.

Abstract: In a liquid crystal device, a liquid crystal layer is interposed between first and second substrates. The liquid crystal device includes a light-shielding layer formed in a lattice shape and a condensing lens condensing light incident on the side of the first substrate into the inside of an opening portion of a light-shielding section. In the second substrate, a prism element condensing the light which has been incident from the side of the first substrate and has passed and spread through the condensing lens, the liquid crystal layer, and the opening portion is disposed at a position overlapping the light-shielding layer in a plan view. The prism element includes a groove formed in the second substrate.

Abstract: A two-way liquid crystal display device includes first and second liquid crystal panels; a backlight unit disposed between the first and second liquid crystal panels and including an LED assembly and a light guide plate, wherein the LED assembly is disposed at a side surface of the light guide plate and the light guide plate includes predetermined patterns at first and second surfaces thereof facing the first and second liquid crystal panels, respectively; and a support main including a first part guiding the first liquid crystal panel and a second part guiding the second liquid crystal panel and the back light unit, wherein light emitted from the LED assembly is guided by the light guide plate and is provided to the first and second liquid crystal panels.

Abstract: Disclosed is a liquid-crystal display with coherent illumination. The display has a multilayered matrix structure comprising a matrix of micromirrors, lightguide panel with a matrix of holographic elements, a liquid-crystal matrix containing a plurality of liquid-crystal cells and a polarization analyzer. The micromirrors perform reciprocating linear or tilting movements. Therefore, in each current moment, the speckle pattern of the image shifts relative to the preceding pattern so that in each current moment the viewer sees an image in different micropositions, which are perceptible by the human eye as a quasistationary pattern. As a result, the speckle pattern seen by the viewer is smoothened.

Abstract: A light emitting module (1) comprises a module substrate (2), a light emitting diode string (31), and a sealing member (48). The light emitting diode string (31) includes light emitting diode elements (32) and bonding wires (37) which connect the light emitting diode elements (32). The light emitting diode element (32) has a pair of element electrodes (33, 34) and has a rectangular shape extending in a direction along which the element electrodes (33, 34) are aligned. The sealing member (48) is laminated on the module substrate (2) to seal the light emitting diode string (31). The light emitting diode elements (32) are arranged at intervals in a direction crossing the direction along which the element electrodes (33, 34) are aligned, and the element electrodes (33, 34) with the same polarity are aligned to be adjacent to each other in an arrangement direction of the light emitting diode elements (32) between the light emitting diode elements (32) adjacent to each other.

Abstract: A display device according to this technique includes a slanting surface provided at a lower section of a housing accommodating a display panel and slanted in a depth direction; a receiving light guide member located at the slanting surface and having an incident surface exposed from a front surface of the housing, an emitting surface for emitting light to a light receiving sensor, and a reflective surface provided between the incident surface and the emitting surface; and an emitting light guide member, located at the slanting surface and having a front emitting surface slanted so as to be substantially flush with the slanting surface, for guiding light from a light emitting diode to the front surface of the housing.

Abstract: A backlight unit and a liquid crystal display having the same. The backlight unit includes a lower cover, an interconnection coupling hole, an inverter board, and an interconnection. The lower cover accommodates a printed circuit board, which mounts at least one light emitting diode thereon and is provided at one side thereof with a first connector. The interconnection coupling hole is formed in a bottom surface of the lower cover at a position corresponding to the first connector. The inverter board is disposed on a rear surface of the lower cover to apply a driving voltage to the at least one light emitting diode. The interconnection is provided at one end thereof with a second connector to electrically connect the printed circuit board to the inverter board.

Abstract: A liquid crystal display device provided with a liquid crystal display panel having a pair of transparent substrates disposed to face with each other via a liquid crystal layer, and a backlight unit disposed on a back surface of the liquid crystal display panel for radiating a backlight ray is configured to have a plate member opposite a side wall surfaces of the liquid crystal display panel and a side wall surfaces of the backlight unit. The plate member is fixed to the side wall surface of the liquid crystal display panel and the side wall surface of the backlight unit.

Abstract: A backlight module includes a light guide plate and a plurality of light sources. The light guide plate includes a light incident part and a flat panel. The light incident part and the flat panel have a common bottom surface. The maximum height of the wedge-shaped light incident part is greater than a height of the flat panel. The light incident part includes a light incident surface perpendicular to the bottom surface and a sloped surface sloping relative to the light incident surface. The flat panel includes a light emitting surface opposite to the bottom surface. The light incident part further includes a reflective layer on the sloped surface. The plurality of light sources is positioned adjacent to the light incident surface.

Abstract: A backlight unit according to an embodiment includes: a light guide plate; a light emitting diode (LED) assembly supplying a light to the light guide plate; and a reflecting plate under the light guide plate, wherein the LED assembly includes: an LED printed circuit board (PCB) disposed at a side of the light guide plate; a plurality of LED chips over the LED PCB, the plurality of LED chips spaced apart from each other; a plurality of first lead frames electrically connecting the LED PCB and the plurality of LED chips; and an LED housing surrounding the plurality of LED chips and the plurality of first lead frames.

Abstract: A display device includes a display panel having a display surface, a light guiding unit disposed at a display surface side of the display panel, the light guiding unit having an incident part and an irradiation part, the incident part being parallel to the display surface and facing the display surface, the irradiation part being parallel to the display surface and configured to emit a light entered from the incident part, the irradiation part having a plurality of irradiation surfaces whose positions in a direction orthogonal to the incident part differ depending on a position on the display surface, and a minor configured to reflect an image projected from the display panel through the light guiding unit.

Abstract: A backlight unit for a liquid crystal display device includes a cover bottom including a horizontal plane and sides perpendicular to the horizontal plane; guides disposed at inner surfaces of the sides of the cover bottom and each including first, second and third portions, wherein the second portion protrudes from the first portion, and the third portion protrudes from the second portion and has elasticity; a reflection sheet disposed on the first portions; a light guide plate disposed over the reflection sheet and on the second portions; an LED assembly disposed at a first side of the light guide plate; and optical sheets disposed over the light guide plate.

Abstract: Disclosed are a wide-color gamut film and its applications. While the wide-color gamut film is manufactured, the method firstly confirms the type of the backlight. The film is designed to filter some specified frequency bands, especially the bands adjacent to the frequencies of red, green and blue lights. The parameters are referred to decide an overall thickness and an overall refractive index, and prepare a plurality of high-polymeric thin films. A wide-color gamut film is formed by assembling the thin films according to the configuration. The invention also relates to a display using the wide-color gamut film. The film is disposed between a panel module and a backlight module of the display. The film serves to reduce or filter out the light transmittance within the determined bands. The wide-color gamut film is provided for improving the crosstalk phenomenon among the frequency bands of the backlight.

Abstract: A direct backlight device including a light source arranged on the rear surface of a light-guiding plate and a liquid crystal display apparatus including the backlight device are provided, in which light extracting efficiency from the light-guiding plate is improved and luminance can be prevented from lowering or can be improved. The backlight device includes a light source arranged on the rear surface opposite to a light-emitting surface, and a reflective-angle modified portion, for example, a concave-convex portion formed by sandblast to modify a reflective angle of light emitted from the light source is provided at least on the light-emitting surface and/or the rear surface. A light reflective angle equal to or smaller than the critical angle is modified to improve the light extracting efficiency from the light-emitting surface.

Abstract: A liquid crystal display includes a backlight that provides light and selectively modifies the transmission of light from the backlight to the front of the display. The backlight includes a plurality of spaced apart light waveguides and a plurality of selection elements associated with the light waveguides that change the characteristics of the material of the light waveguides to selectively direct the transmission of light toward the liquid crystal layer. The combination of the waveguides and the selection elements provide light to the front of the display in a non-uniform temporal manner and a non-uniform spatial manner during a frame.

Abstract: Provided is a liquid crystal display in which occurrence of iridescent unevenness is suppressed, even when a film with high level of mechanical properties, chemical resistance and water-barrier properties is used as a polarizer-protective-film. Also, disclosed is a polarizing plate to be used in the liquid crystal display. The liquid crystal display includes a liquid crystal cell, a light source, a first polarizing plate placed between the liquid crystal cell and the light source, and a second polarizing plate placed on a viewer side of the liquid crystal cell. The first polarizing plate includes a polarizer and a first protective film placed on a light source side principal surface of the first protective film, and the first protective film satisfies following relations: (i) 0 nm?Re1?3000 nm; (ii) Nz1?5; and (iii) Rth1>2500 nm.

Abstract: Disclosed are a backlight unit and a liquid crystal display device including the same with a light guide plate of a reduced size to enable driving at a low power and manufacture at a low cost despite using fewer light sources, and realizing high-brightness and high quality-driving. The backlight unit includes a lower case having a bottom surface and side walls extending upward extended from edges of the bottom surface. A supporter on the bottom surface is placed along a side surface of the side wall which forms an accommodation area in conjunction with the supporter. A light guide plate is disposed in the accommodation area.

Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight disposed on a back surface of the liquid crystal display panel. A light guide plate, a lower diffusion sheet and a lower prism sheet, are accommodated in a mold. An upper prism sheet extends over an upper surface of the mold, and bonded to the liquid crystal display panel and the mold with an adhesive. An edge of the upper prism sheet as the uppermost layer is invisible even when the screen is viewed from an oblique direction so as to prevent generation of an emission line due to the edge of the optical sheet. A sufficient bonding area is ensured between the mold and the liquid crystal display panel, and separation of the liquid crystal display panel from the mold is prevented under influence of damage.

Abstract: A backlight includes a waveguide with a plurality of light emitting diodes positioned in cavities in the back surface in a center region of the waveguide. The back surface of the waveguide can be tapered from the center region to the edges so that the edges are thinner than the center region. Additionally, with the light emitting diodes in the center region of the waveguide, as opposed to along the edges, the bezel may be eliminated or at least minimized in height, e.g., 1 mm or less. Additionally, multiple waveguides may be used and configured in a “V” shape to minimize the bezel.

Abstract: A display panel of a display apparatus including the display panel and a backlight unit configured to provide light to the display panel, the display panel including: an upper substrate; a lower substrate; a liquid crystal layer between the upper substrate and the lower substrate; a wire grid polarizer (WGP) provided on at least one from among the lower substrate and the upper substrate and configured to filter light radiated from the backlight unit; and an antireflection layer provided on the upper substrate and configured to substantially prevent reflection of external light from an external source on a surface of the upper substrate. The WGP may include a light absorption layer configured to absorb the external light which passes through the antireflection layer.

Abstract: A liquid crystal display device is provided. The device includes a liquid crystal display panel, a grey lever inversion compensation film and a light enhancement module. The liquid crystal display panel has a relatively high aperture ratio, a display side and a rear side. The grey level inversion compensation film is disposed on the liquid crystal display panel at the display side. The light enhancement module is disposed on the liquid crystal display panel at the rear side.

Abstract: A liquid crystal display device is provided. The device includes a liquid crystal display panel, a grey lever inversion compensation film and a light enhancement module. The liquid crystal display panel has a relatively high aperture ratio, a display side and a rear side. The grey level inversion compensation film is disposed on the liquid crystal display panel at the display side. The light enhancement module is disposed on the liquid crystal display panel at the rear side.

Abstract: The invention relates to the field of liquid crystal displays, and more particularly to an edge-lit backlight module and an LCD device. The edge-lit backlight module includes a light guide panel and a positioning part for positioning the light guide panel. The light guide panel is rigidly positioned in the direction facing a light source and buffer positioned in all the other directions. A new positioning structure for light guide panels is used by the edge-lit backlight module and the LCD device of the invention. The light coupling distance between the light guide panel and the light source of the edge-lit backlight module is controlled because the light guide panel is rigidly positioned in the direction facing the light source, so as to obtain preferable light guiding effect.

Abstract: A backlight module includes: a frame; a backboard configured to support the frame; a radiator provided in the backboard and connected to an inner wall of the frame; a light source fixed to an inner wall of the radiator; a light guide plate relatively slidably mounted on the radiator and configured to guide light emitted by the light source; and at least one buffer mounted on the radiator and configured so that the radiator is moveable relative to the backboard against an elastic force of the buffer. The backlight module can effectively eliminate the phenomenon in which a shadow of the light source is present in pictures coming from the backlight module since the light guide plate presses against the light source after it is heated to expand. The present invention further provides a display device including the above backlight module.

Abstract: An surface light source device comprises: a light guide plate; a monochromatic light source located at a side of an incidence surface of the light guide plate; a cholesteric liquid crystal film, a ?/4 wave sheet and a wavelength converting thin film sequentially located at a side of an emission surface of the light guide plate. The surface light source device may improve the utilization rate of light and lower the costs.

Abstract: Disclosed are a reflecting plate capable of preventing inferiority of an image quality due to leakage of light emitted from LEDs to outside, a backlight and an LCD device having the same. An extension portion extending towards an LED substrate is formed on a side surface of the reflecting plate, the side surface where the LEDs are arranged. This may shield light emitted from the LEDs and leaked to a space between the LED substrate and the reflecting plate.

Abstract: According to this disclosure of a thin film transistor array panel and the manufacturing method thereof, dams have a function of forming a light blocking member by an inkjet printing method and are formed along with color filters. Spacers are formed by the inkjet printing method along with the light blocking member and color filters. Advantages of this panel and its manufacturing method are a reduction in an alignment error of the light blocking member and the color filters, reduced manufacturing cost, and a simplified manufacturing.

Abstract: The present invention relates to a surface light source, including a light source section made up of plural light emitting diodes and lenses that expand light from these light emitting diodes. The lens in the light source section has a light incident surface on which light from the light emitting diode is incident with an optical axis at a center, and a light exit surface that expands and emits the incident light. The light incident surface has a continued depressed surface, while the light exit surface has a continued projected surface.

Abstract: A backlight unit includes light emitting diodes (LED's) and light guide plate which guides light from the light emitting diodes to liquid crystal panel and is constructed so that light is emitted from light emission plane of light guide plate opposite to liquid crystal panel toward liquid crystal panel. Area of light emission plane of light guide plate is smaller than effective display area of liquid crystal panel and predetermined shape for diffusing or dispersing light is formed on a lateral side perpendicular to light emission plane of light guide plate and/or at an edge portion near the lateral side of the light emission plane.

Abstract: A backlight operated alternately in a first and a second mode and including a first and a second light source, a light guide, and an optical control member. The light guide is used to receive the light emitted from the second light source, and the optical control member is disposed below the light guide. When the backlight is operated in the first and the second modes, the optical control member has different transmittance with respect to light projected thereon, so as to improve image quality of a liquid-crystal display device using the same.

Abstract: A lighting apparatus may include a case, a circuit board, a light source including a light emitting diode (LED), and a light controlling layer to reflect light from the light source toward an inside of the case to prevent the light from being directly radiated to an outside of the case.

Abstract: A liquid crystal panel module, a backlight module and a liquid crystal display (LCD) are provided. The liquid crystal panel module includes a liquid crystal panel and a diffraction grating layer. The liquid crystal panel has a plurality of pixels. The diffraction grating layer is disposed on the liquid crystal panel, and a maximum period of a grating of the diffraction grating layer is smaller than 1/10 of a size of the pixels. The backlight module includes a light guide plate, a light emitting element and a diffraction grating film. A light provided by the light emitting element emits from a light emitting surface of the light guide plate and is bended towards the light emitting element after passing through the diffraction grating film. The liquid crystal panel module and the backlight module can be applied to the LCD together or individually.

Abstract: A two-way display device includes a transparent display panel, a roll film unit disposed opposite to the transparent display panel and a backlight unit disposed between the roll film unit and the transparent display panel.

Abstract: A liquid crystal display device includes a liquid crystal panel; a backlight unit disposed under the liquid crystal panel and providing a light to the liquid crystal panel, the backlight unit including a reflective sheet, a light guide plate on the reflective sheet, an optical sheet on the light guide plate and a light emitting diode (LED) assembly at one side of the light guide plate, the light emitting diode assembly including at least one LED as a light source; a main frame that surrounds sides of the liquid crystal panel and the backlight unit, the main frame including a first portion, where the LED assembly is fixed, and a second portion extending from the first portion, the second portion covering a top portion of the LED assembly; a bottom frame under the reflective sheet and being combined with the main frame; and a top frame that surrounds an edge of the liquid crystal panel and attaches to the bottom frame and the main frame.

Abstract: The present invention provides a light guide plate and a side-edge backlight module using the light guide plate. The light guide plate includes a plurality of air barrier walls formed therein. The air barrier walls divide the light guide plate into a plurality of sections. With the arrangement of air barrier walls between independent sections of the light guide plate according to the present invention, by means of total reflection, light incident into each independent section is blocked from penetrating through the air gaps and is thus confined within the independent section. Thus, brightness sectioning and independent control of sectionalized brightness of the light guide plate can be realized and improved light isolation result, improved yield, being mass producible, and low cost can be achieved. The side-edge backlight module uses the light guide plate so as to realize brightness sectioning and independent control of sectionalized brightness of the backlight module.

Abstract: A backlight module capable of dynamically adjusting brightness is proposed. According to the present invention, a backlight module comprises a light guide plate for guiding light, a first light source unit, and a second light source unit. A ridge-shaped groove is disposed on the middle of the bottom surface of the light guide plate. The first light source unit and the second light source unit are respectively disposed at the opposite sides of the light guide plate. Both of the first light source unit and the second light source unit comprises at least one light source. Each of the light sources of the first light source unit is symmetrically arranged with each of the light sources of the second light source unit on a one-on-one basis. The ridge-shaped groove divides the backlight module into two independent luminance domains, each dividing into multiple subdomains.

Abstract: An optical film is provided herein which may include a base film including a material having optical transmittance and a thermal resistance, a matrix layer disposed on the base film and including a fluorescent material, and a viscous layer disposed on the matrix layer including a material having adhesive property, wherein the viscous layer may have a prescribed thickness.

Abstract: Optical stacks are described. More specifically, optical stacks including a lightguide, a light extraction layer having first and second regions, and a polymer dispersed liquid crystal layer having third and fourth regions are described. One or more of the first and second regions of the light extraction layer may be in registration with one or more of the third and fourth regions of the polymer dispersed liquid crystal layer.

Abstract: A positioning device of a backlight module is disclosed. The positioning device is for positioning a reflective sheet and a light guiding plate. The reflective sheet and the light guiding plate are respectively fixed on the positioning device such that the reflective sheet moves together with the light guiding plate. The backlight module and a liquid crystal display are also disclosed. By adopting the positioning device, the reflective sheet moves together with the light guiding plate such that the location of the reflective sheet is not affected in the assembly process of the light guiding plate. As the reflective sheet is precisely positioned and there is also a buffer for engaging the inflation of the reflective sheet, the optical uniformity is enhanced.

Abstract: The invention relates a display module having a light source. The display module comprises a display unit. The display unit comprises a first substrate, a second substrate opposite to the first substrate, a display medium and a green filter layer. The display medium is disposed between the first substrate and the second substrate. The green filter layer is disposed on the first substrate or the second substrate. When the wavelength of the light is between 380 nm and 780 nm, the spectrum of the light source passing through the green filter layer corresponds to a first energy. When the wavelength of the light is between interval of 660 and 780 nm, the spectrum of the light source passing through the green filter layer corresponds to a second energy. The ratio of the second energy to the first energy is less than 2%.

Abstract: A liquid crystal display (LCD) device and a backlight module. The backlight module includes a lightbar, a lightbar heat sink, and a light guide panel (LGP). A light coupling distance is set between the lightbar and the LGP. The backlight module further includes a control structure controlling the light coupling distance. The lightbar is configured with a through hole, the control structure penetrating through the through hole is arranged on the lightbar heat sink, and the lightbar heat sink provides a fixing force that controls a position the LGP.

Abstract: A liquid crystal display including a display panel, an optical film and a backlight module is disclosed. The optical film is disposed on the display panel and has a plurality of micro structures facing the display panel arranged on the optical film. The period of the arranged micro structures is between 90 ?m˜3 ?m. The backlight module and the optical film are disposed on opposite sides of the display panel respectively. The backlight module is used for emitting a light, which penetrates the display panel and reaches the optical film. The light is deflected by the micro structures of the optical film and then is emitted to the outside at an angle of 20˜70 degrees relative to a normal line of the light outputting plane of the optical film.

Abstract: The present invention provides a tiled optical fiber display device structure which includes a light emitting diode (LED) backlit liquid crystal display (LCD). Light from the LCD enters an array of optical fibers that directs the light to a viewing screen. The optical fibers eliminate the use of energy absorbing color filters in conventional LCD's, and also enable the seamless tiling of multiple display modules.

Abstract: A transfer molding method includes an insertion step of inserting a resin sheet between a first die and a second die, which are disposed opposite each other, a sandwiching step of sandwiching the resin sheet between the first and second dies while a transfer surface of a transfer member is brought into contact with at least one of surfaces of the resin sheet, and a transfer molding step of heating at least one of the first and second dies to melt at least a surface portion of the resin sheet with which the transfer surface of the transfer member is brought into contact, and exhausting residual air remaining in a recess through a groove portion connected to the recess when a thick portion is formed by the recess formed in the transfer surface.

Abstract: A method for producing a light guide plate includes forming a light introduction part that introduces light incident through an end face, and forming a light guide plate body that has a thickness less than a maximum thickness of the light introduction part, forming the light guide plate body to be continuously joined to the light introduction part, and forming the light guide plate body so as to cause a light controller to output the incident light to an outside. The light guide plate producing method further includes a conveying step of conveying a resin sheet between a first die and a second die, which are disposed while facing each other, wherein a transfer surface is provided in at least one of surfaces facing each other in the first and second dies.

Abstract: An illumination device (3) is provided with a light-emitting diode (light source) (9), and a light guide plate (10) that guides light from the light-emitting diode (9) toward a prescribed propagation direction and that outputs the light toward a liquid crystal panel (object to be irradiated) (2). The illumination device is also provided with an optical sheet (optical member) (15) that is disposed so as not to make contact with the optical sheet (13) and that separates the optical sheet (13) from the liquid crystal panel (2) so as to create a prescribed space therebetween.

Abstract: The present invention discloses a color separation system, which uses a plurality of arrayed light source modules to generate light beams having different colors and separated spatially, and which uses a light guide module and an optical lens array to project the light beams having different colors to the display panel of an LCD device in an arrayed form, whereby the color separation system is exempted from using an absorption-type color filter, wherefore the light energy utilization rate is greatly increased. Further, the present invention arranges a reflection-type polarization element on the light output side of the optical lens array and arranges a quarter-wave plate on the bottom face of the light guide module to replace the conventional absorption-type polarization element. Thus, the light energy utilization rate is further increased. Therefore, the present invention can save energy effectively.

Abstract: The present invention provides a backlight module and a liquid crystal display device. The backlight module which comprises a waveguide including a light exiting surface, and a side surface adjoining the light-exiting surface. An optical film includes a main portion disposed on the existing surface of the waveguide, and a skirt extends from a peripheral of the main portion and adjoining to the side surface of the light-exiting surface. A backboard includes a base and an upright extending from peripheral of the base, the waveguide is disposed on the base, and the upright is spaced with the skirt; and wherein a retaining device is supportably arranged between the upright and the skirt so as to press the skirt onto the side surface of the waveguide. The present invention can effectively reduce the estate of the backboard, and is beneficial to the design narrow-border of liquid crystal display device.

Abstract: An electronic device may be provided with a display. Backlight structures may be used to provide backlight for the display. The backlight structures may include a light guide plate. The light guide plate may include a planar extended portion that guides light along the back of the display and an integrated edge reflector along one or more edges of the planar extended portion. The planar extended portion and the integrated edge reflector may be formed from respective first and second shots of material. The integrated edge reflector may be formed from a polymer material with embedded reflective structures such as glass microbeads or other oxide particles. The backlight structures may include a reflective layer that is attached to the integrated edge reflector of the light guide plate using adhesive. The display may include active display pixels formed over a portion of the integrated edge reflector.

Abstract: The present invention provides a liquid crystal display module, which includes a backlight module, a liquid crystal display panel arranged above the backlight module, a scattered reflection layer arranged on the liquid crystal display panel, and a front frame mounted on the scattered reflection layer. The scattered reflection layer is transparent, whereby light generated by the backlight module, after passing through the liquid crystal display panel, is subjected to refraction and scattered reflection in the scattered reflection layer. The liquid crystal display module uses a curved scattered reflection layer arranged on a light emergence surface of a liquid crystal panel to subject the light passing through the liquid crystal panel to refraction and scattered reflection so as to generate light in multiple angle thereby expanding the range of viewing angle, improving viewing angle characteristics, and enhancing the quality of the liquid crystal display module.