WO2011116531A1 - 遮光板、灯光造型装置及具有灯光造型装置的电子设备 - Google Patents

遮光板、灯光造型装置及具有灯光造型装置的电子设备 Download PDF

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Publication number
WO2011116531A1
WO2011116531A1 PCT/CN2010/071364 CN2010071364W WO2011116531A1 WO 2011116531 A1 WO2011116531 A1 WO 2011116531A1 CN 2010071364 W CN2010071364 W CN 2010071364W WO 2011116531 A1 WO2011116531 A1 WO 2011116531A1
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WO
WIPO (PCT)
Prior art keywords
light
propagation
plate
cavities
visor
Prior art date
Application number
PCT/CN2010/071364
Other languages
English (en)
French (fr)
Inventor
王德军
周业凯
刘磊
Original Assignee
青岛海信电器股份有限公司
青岛海信信芯科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海信电器股份有限公司, 青岛海信信芯科技有限公司 filed Critical 青岛海信电器股份有限公司
Priority to CN2010800550073A priority Critical patent/CN102713422A/zh
Priority to PCT/CN2010/071364 priority patent/WO2011116531A1/zh
Publication of WO2011116531A1 publication Critical patent/WO2011116531A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

Definitions

  • Sun visor Sun visor, light styling device and electronic device with light styling device
  • the invention relates to the field of lighting modeling, in particular to a visor, a lighting styling device and an electronic device having a lighting styling device. Background technique
  • the lighting modeling device has been widely used in various electronic devices such as displays, speakers, light boxes, televisions, and disc players, and can provide corresponding indication functions and decorative beautification functions for electronic devices.
  • the lighting modeling device of the household electrical appliances known on the market has a relatively simple lighting pattern.
  • some lighting styles are single-point light sources to achieve single-point lighting; some lighting styles are dot-matrix lightings arranged by multi-point light sources, and the light source of each point is controlled by a chip program;
  • the light styling style enables multiple lights to selectively illuminate in a circumferential direction to achieve a good decorative aesthetic.
  • the first two styles of lighting modeling devices are relatively mature in technology; while the latter ring-shaped lighting modeling device requires a large number of illumination sources to be formed in the annular position of the modeling light to be formed when forming a large-sized circular lighting. High, complex, and unable to accurately control the light angle and shape of the modeling light, there is also the problem of uneven illumination. Summary of the invention
  • the technical problem to be solved by the invention is to provide a illuminating board, a lighting styling device and an electronic device with a lighting styling device, which can realize the styling of a large-sized circular light, realize a single cylinder, has low cost, and can accurately control the circular styling light.
  • the angle and shape of the light is to provide a illuminating board, a lighting styling device and an electronic device with a lighting styling device, which can realize the styling of a large-sized circular light, realize a single cylinder, has low cost, and can accurately control the circular styling light.
  • the angle and shape of the light is to provide a illuminating board, a lighting styling device and an electronic device with a lighting styling device, which can realize the styling of a large-sized circular light, realize a single cylinder, has low cost, and can accurately control the circular styling light.
  • the angle and shape of the light is to provide a illuminating board, a lighting styling device and an electronic device with a lighting styling device, which can realize the styling of a
  • the technical problem to be solved by the present invention is to provide a light-emitting panel, a light-shaping device and an electronic device having a light-shaping device, which does not generate a bright line at the boundary of each light-emitting region, and emits light uniformly.
  • the invention provides a light shielding plate, a light shielding wall is disposed on one side of the light shielding plate, and a plurality of propagation cavities are defined by the light shielding wall, wherein the plurality of propagation cavities are circumferentially distributed, and each propagation cavity is close to the shading
  • a light entrance is provided at the inner end of the center of the board, and a light exit is provided at an outer end away from the center of the visor.
  • the invention provides a lighting modeling device, comprising:
  • a light shielding plate a light shielding wall is disposed on one side of the light shielding plate, and a plurality of propagation cavities are defined by the light shielding wall, wherein the plurality of propagation cavities are circumferentially distributed, and each propagation cavity is near an inner end of the center of the shading plate Set the light entrance, away from the visor
  • the outer end of the center is provided with a light exit port, and the plurality of point light sources are respectively disposed at the light entrances of the respective propagation chambers.
  • the invention provides an electronic device with a light modeling device, comprising:
  • a light source illuminating plate is disposed on the light bracket, and a plurality of point light sources are disposed on the illuminating panel of the point light source;
  • a light guide plate is disposed above the illuminating panel of the point light source, and is disposed on the light guiding plate a light shielding plate;
  • a light shielding plate disposed above the light guiding plate;
  • a light shielding wall is disposed on a lower side of the light shielding plate, and a plurality of propagation cavities are defined by the light shielding wall, wherein the plurality of propagation cavities are circumferential
  • each of the propagation cavities is provided with a light entrance at an inner end near the center of the visor, and a light exit is provided at an outer end away from the center of the visor, and the plurality of point sources are respectively disposed at the light entrances of the respective propagation chambers.
  • a plurality of light guiding portions of the light guide plate are respectively fitted in the respective propagation cavities;
  • the sunshade top cover is placed above the visor.
  • each propagation cavity of the visor forms a closed propagation space, and the light of each point source will propagate outward in the propagation cavity, the light loss is small, the light utilization rate is high, and the distance of each propagation cavity is changed by the visor
  • the distance between the center and the circumferential distribution state a large number of point light sources can be used to construct a large-sized ring light, which realizes the single-piece, low cost, and can determine the light-emitting area by controlling the opening angle of the light exit port of the outer end of each propagation cavity.
  • FIG. 1 is a schematic view showing one embodiment of a light shielding plate according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic exploded view of an embodiment of a lighting modeling apparatus according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic exploded view of a preferred embodiment of a light modeling device according to Embodiment 2 of the present invention.
  • Fig. 4 is a schematic view showing one embodiment of a light guide plate according to Embodiment 1 of the present invention.
  • Figure 5 is a plan view of Figure 3 with the visor removed.
  • Figure 6 is a schematic view of a light stand according to Embodiment 2 of the present invention.
  • FIG. 3 is an exploded perspective view showing one embodiment of an electronic device having a light modeling device according to Embodiment 3 of the present invention.
  • FIG. 8 is an exploded perspective view showing an embodiment of an electronic device having a light modeling device according to Embodiment 4 of the present invention. detailed description Embodiment 1
  • the present invention provides a visor 5 which can be installed on an electronic device such as a display, a speaker, a light box, a television, a CD player, and the like to be assembled into a light styling device to realize a light styling.
  • the visor 5 can be used as an independent product for people to choose.
  • the light shielding plate 5 is provided with a light shielding wall 50 on one side, and a plurality of propagation chambers 5 1 are defined by the light shielding wall 50, for example, six propagation chambers as shown in FIG. 1, and all the propagation chambers 51 are circumferentially distributed on the light shielding plate 5.
  • Each of the propagation chambers 51 is provided with a light entrance 52 at an inner end near the center of the visor, and a light exit opening 53 is provided at an outer end away from the center of the visor.
  • the propagation chambers 51 of the visor 5 form a closed propagation space with air as a transmission shield.
  • the point source is assembled at the light entrance 52, the light will propagate outward in the propagation cavity 51, and the light loss is small.
  • the light utilization rate is high, and by changing the distance and the circumferential distribution state of each propagation cavity 51 from the center of the visor, a large-sized circular light can be constructed by the visor 5 and a few point light sources, thereby realizing the single-piece, low cost.
  • the size of the light-emitting area can be determined, so that the angle and shape of the light of the modeling light can be precisely controlled.
  • the visor 5 may have a circular shape, and of course, a rectangular or other shape may be selected depending on the electronic device to which it is mounted.
  • the visor 5 is preferably made of white polystyrene and has excellent reflective properties, and can be disposed on the surface of the visor 5 inside the respective propagation chambers 51 (including both sides of the sector of the propagation chamber 51 and the propagation chamber 51). Bottom) Forms a reflective surface to further reduce light loss and improve light utilization.
  • the reflecting surface 54 may be composed of any reflective member such as an additional reflective coating, a reflecting mirror or the like which has high reflectivity.
  • the plurality of propagation cavities 51 are circumferentially distributed in the center of the center of the visor 5, and each of the propagation cavities 51 has a fan shape, and the adjacent opaque walls 50 are connected by a circular arc 54 to make the entire shading.
  • the wall 50 presents a multi-angled star.
  • a mounting post 55 is also provided.
  • the light entrances 52 of the propagation chambers 51 are disposed at the center point of the fan, and the light exits 5 3 of the propagation chambers 51 are connected. Pass to form a continuous circular shape light.
  • This fan-shaped propagation cavity 51 allows light to propagate outward in a straight line without refracting and reflecting light, resulting in less light loss and higher light utilization.
  • each of the propagation cavities 51 of the visor 5 may have other shapes such as a semicircle, and is not limited.
  • the extension line 501 of the two shielding walls 50 adjacent to the adjacent propagation cavity 51 of the visor 5 has an overlapping area B on the annular surface on which the outer side wall of the visor 5 is located, thereby enabling two The light-emitting areas corresponding to the point light sources of the adjacent propagation chambers 51 have a slight overlap, preventing the formation of distinct bright lines and uniform illumination.
  • the extension lines 501 of the adjacent light shielding walls 50 may also just intersect on the annulus where the outer side walls of the light shielding plate 5 are located.
  • the present invention also provides a light modeling apparatus including the light shielding plate 5 in Embodiment 1.
  • the lighting styling device can be made into a separate module for use in any electronic device such as a display, a speaker, a light box, a television, a disc player, etc., to achieve a light styling.
  • the present invention provides a lighting modeling apparatus, including: a plurality of point light sources 31 such as light emitting diodes; and a light shielding plate 5, and a light shielding wall 50 is disposed on one side of the light shielding plate 5, and the light shielding wall 50 is provided.
  • a plurality of propagation cavities 51 are defined, for example, six propagation cavities illustrated in FIG. 1. All of the propagation cavities 51 are circumferentially distributed on the visor 5, and each of the propagation cavities 51 is provided with a light entrance 52 at an inner end near the center of the visor.
  • a light exit port 53 is disposed at an outer end away from the center of the visor.
  • the plurality of point light sources 31 are respectively disposed at the light entrances 52 of the propagation chambers 51.
  • the point light sources 31 can be used according to the light entrances of the propagation chambers 51.
  • the position of 52 is fixed in advance on a point light source illuminating panel 3, and the point source illuminating panel 3 is disposed on the side of the visor 5 on which the light shielding wall 50 is provided, so that the point light sources 31 are located at the respective light entrances 52.
  • each of the propagation cavities 51 of the visor 5 forms a closed propagation space with air as a transmission shield, and the light of the point source 31 will propagate outward in the propagation cavity 51, and the light loss is small and the light utilization rate is high.
  • each propagation cavity 51 By changing the distance and the circumferential distribution state of each propagation cavity 51 from the center of the visor, a large-sized ring light can be constructed by the visor 5 and a few point light sources 31, thereby achieving a single order, low cost, and controlled by
  • the opening angle of the light exit opening 53 of each of the propagation chambers 51 (the central angle A of the sector) determines the size of the light-emitting area, so that the angle and shape of the light of the modeling light can be accurately controlled.
  • the visor 5 may be circular, and of course, a rectangular or other shape may be selected depending on the electronic device to which it is mounted.
  • the visor 5 is preferably made of white polystyrene and has excellent reflective properties, and can be placed on the surface of the visor 5 inside the respective propagation chambers 51 (including the sides of the sector of the propagation chamber 51 and the bottom surface of the propagation chamber 51). Forming a reflective surface further reduces light loss and improves light utilization.
  • the reflecting surface 54 may be composed of any reflective member such as an additional reflective coating, a reflecting mirror or the like which has high reflectivity.
  • the plurality of propagation cavities 51 are circumferentially distributed in the center of the center of the visor 5, and each of the propagation cavities 51 has a fan shape, and the adjacent opaque walls 50 are connected by a circular arc 54 to make the entire shading.
  • the wall 50 presents a multi-angled star.
  • a mounting post 55 is also provided.
  • the light entrances 52 of the propagation chambers 51 are disposed at the center point of the fan, and the light exits 53 of the propagation chambers 51 are connected. Thereby, a continuous annular shaped light can be formed, and the light emitting surface 311 of each point light source 31 faces the light exit opening 53 of the propagation cavity 51.
  • each of the propagation cavities 51 of the visor 5 may have other shapes such as a semicircle, and is not limited.
  • the extension line 501 of the two light shielding walls 50 adjacent to each adjacent propagation cavity 51 of the light shielding plate 5 is on the annular surface of the outer side wall of the light shielding plate 5 (the The outer wall surface 43 of the light guide plate 4, which will be described later, has an overlapping area B so as to correspond to the point light source 31 of two adjacent propagation chambers 51.
  • the light-emitting areas have a slight overlap, preventing the formation of distinct bright lines and uniform illumination.
  • the extension lines 501 of the adjacent light shielding walls 50 may also just intersect on the annular surface where the outer side walls of the light shielding plate 5 are located.
  • the light modeling apparatus of the present invention further includes a light guide plate 4, the light guide plate is disposed between the light shielding plate 5 and the point light source illuminating plate 3, and the light guide plate 4 is provided.
  • a plurality of light guiding portions 41 fitted in the respective propagation cavities 51, and inner rings of the respective light guiding portions 41 are hollow portions corresponding to the stars formed by the light shielding walls 50 of the light shielding plate 5, so that the light shielding walls 50 can be positioned in the guide
  • the light guiding portion 41 is filled in the periphery of each of the light transmitting portions 51. Filling the light guiding portion 41 of the light guide plate 4 in each of the propagation chambers 51 is advantageous for further improving the light guiding ratio.
  • the light guide plate 4 is made of polymethacrylate, which has high conductivity and low light loss. Of course, other transparent high-conductivity material shields are also available.
  • the light guide plate 4 is circular, thereby realizing a circular shaped light.
  • Each of the light guiding portions 41 of the light guide plate 4 is also fan-shaped in cooperation with the fan-shaped propagation cavity 51, and a curved surface 42 is provided at a center point of the light guiding portion 41, and each of the curved surfaces 42 and the respective propagation chambers 51 of the light shielding plate 5
  • the light incident port 52 corresponds to the outer wall surface 43 of the light guide plate 4 as a polished surface, which can effectively reduce the light loss.
  • the adjacent side edges 44 of the adjacent light guiding portions 41 of the light guide plate 4 are connected by a transition arc 45.
  • an extension line 501 corresponding to each of the two light shielding walls 50 adjacent to each adjacent propagation cavity 51 of the visor 5 has an overlapping area B on the annular surface of the outer side wall of the visor 5, and the light guide plate 4
  • the extension lines of the adjacent side edges 44 of the adjacent light guiding portions 41 also have overlapping regions C on the outer wall surface 43 of the light guiding plate 4, so that no bright lines are generated at the boundary of the respective light emitting regions, and the light is uniformly emitted.
  • the light modeling device of the present invention further comprises a light bracket 2, which can also be made of white polystyrene, has excellent reflection performance, and the light bracket 2 is provided with a receiving guide.
  • the light plate 4 has a concave portion 21 having a bracket polishing surface 22 that cooperates with the outer wall surface 43 (polishing surface) of the light guide plate 4 to effectively reflect the light emitted from the outer wall surface 43 of the light guide plate 4, and is further disposed in the concave portion 21.
  • the second recess 23 is for accommodating the point light source illuminating panel 3.
  • the present invention provides an electronic device having a light modeling device.
  • the electronic device is a sound box, and the method includes:
  • the existing structure inside the cabinet 1 is not the focus of the present invention and will not be described;
  • the light bracket 2 is disposed on the box 1;
  • the point light source illuminating plate 3 is disposed on the light stand 1, and the point light source illuminating plate 3 is provided with a plurality of point light sources 31, and the point light source 31 can be selected with a single-sided light emitting diode, and the brightness is more concentrated;
  • the light guide plate 4 is disposed above the point light source illuminating plate 3, and a plurality of light guiding portions 41 are disposed on the light guiding plate 4;
  • the light shielding plate 5 is disposed above the light guide plate 4, and a light shielding wall 50 is disposed on a lower side of the light shielding plate 5.
  • the plurality of propagation cavities 51 are defined by the light shielding wall 50, for example, six propagation chambers as shown in FIG.
  • the cavity 51 is circumferentially distributed on the visor 5, and each of the propagation cavities 51 is provided with a light entrance 52 at an inner end near the center of the visor, and a light exit opening 53 is provided at an outer end away from the center of the visor.
  • the light guiding openings 52 of the respective propagation chambers 51 are disposed, and the plurality of light guiding portions 41 of the light guiding plate 4 are closely fitted in the respective propagation chambers 51;
  • the light shielding top cover 6 is disposed above the light shielding plate 5.
  • the propagation chambers 51 of the visor 5 form a closed propagation space with the light guiding portion 41 as a propagation shield, and the light of each point source 31 will be outward in the propagation cavity 51 along the light guiding portion 41.
  • Propagation, small light loss, high light utilization rate by changing the distance and circumferential distribution of each propagation cavity 51 from the center of the visor, a large number of ring lights can be constructed from a small number of point sources 31, thereby achieving a single order, low cost
  • the opening angle (the central angle A of the sector) of the light exit opening 53 of the outer end of each of the propagation chambers 51 the size of the light-emitting area can be determined, so that the light angle and shape of the modeling light can be accurately controlled.
  • the visor 5 is preferably made of white polystyrene and has excellent reflective properties, and can be disposed on the surface of the visor 5 inside the respective propagation chambers 51 (including the sides of the sector of the propagation chamber 51).
  • the side surface of the propagation cavity 51 forms a reflecting surface to further reduce light loss and improve light utilization.
  • the reflecting surface 54 may be composed of any reflective member such as an additional reflective coating, a reflecting mirror or the like which has high reflectivity.
  • the visor 5 can be rounded, and of course, a rectangular or other shape can be selected depending on the electronic device on which it is mounted.
  • the plurality of propagation cavities 51 are circumferentially distributed in a circular center around the center of the visor 5, and each of the propagation cavities 51 has a fan shape, and the adjacent opaque walls 50 are connected by a circular arc 54 to make the entire opaque wall 50 have a multi-angled star shape.
  • a mounting post 55 may be disposed.
  • the light entrances 52 of the propagation chambers 51 are disposed at the center point of the fan shape, and the light exits 53 of the propagation chambers 51 are connected to form a continuous ring-shaped light.
  • each of the point light sources 31 faces the light exiting opening 53 of the propagation cavity 51.
  • This fan-shaped propagation cavity 51 allows the light to propagate outward in a straight line without refracting and reflecting light, resulting in less light loss and higher light utilization.
  • the light guide plate 4 is made of polymethacrylate (P solid A), and has high conductivity and small light loss. Of course, other transparent high-conductivity material shields are also available.
  • the light guide plate 4 is circular, thereby realizing a circular shaped light.
  • Each of the light guiding portions 41 of the light guide plate 4 is also fan-shaped in cooperation with the fan-shaped propagation cavity 51, and a curved surface 42 is provided at a center point of the light guiding portion 41, and each of the curved surfaces 42 and the respective propagation chambers 51 of the light shielding plate 5
  • the light incident port 52 corresponds to the outer wall surface 43 of the light guide plate 4 as a polished surface, which can effectively reduce the light loss.
  • the adjacent side edges 44 of the adjacent light guiding portions 41 of the light guide plate 4 are connected by a transition arc 45.
  • the light guide plate 4 is opposite to the star formed by the light shielding wall 50 of the light shielding plate 5 in the inner ring of each light guiding portion 41.
  • the light shielding wall 50 can be positioned at the periphery of the light guiding portion 41 to fill the light guiding portion 41 in each of the propagation chambers 51. Filling the light guiding portion 41 of the light guide plate 4 in each of the propagation chambers 51 is advantageous for further improving the light guiding ratio.
  • the respective propagation chambers 51 of the visor 5 and the light guiding portion 41 of the light guide plate 4 may have other shapes such as a matching semicircle, and are not limited.
  • the extension line 501 of the two light shielding walls 50 adjacent to each adjacent propagation cavity 51 of the visor 5 is on the annulus where the outer side wall of the visor 5 is located (the annular Shield is The outer side wall surface 43 of the light guide plate 4 has an overlapping area B, and the extension line of the adjacent side edges 44 of the adjacent light guiding portions 41 of the light guiding plate 4 also has an overlapping area C on the outer side wall surface 43 of the light guiding plate 4, so that The light-emitting areas corresponding to the point light sources 31 of the two adjacent propagation chambers 51 are slightly overlapped to prevent the formation of distinct bright lines, and the light-emitting lines are hooked.
  • the extension line 501 of the adjacent light shielding wall 50 and the extension line of the adjacent side edges 44 of the adjacent light guiding portions 41 of the light guide plate 4 may also just intersect on the outer side wall surface 43 of the light guide plate 4.
  • the light stand 2 can also be made of white polystyrene, and has excellent reflective performance.
  • the light stand 2 is provided with a recess 21 for accommodating the light guide plate 4, and the recess 21 has an outer side wall surface 43 with the light guide plate 4 (
  • the polishing surface is matched with the bracket polishing surface 22 to effectively reflect the light emitted from the outer wall surface 43 of the light guide plate 4, and a second recess 23 is further provided in the recess 21 for accommodating the point light source illuminating panel 3.
  • the embodiment also provides an electronic device having a light modeling device.
  • the electronic device is a CD player, except that the case 1 is a chassis of the CD player.
  • the optical disc player provided by the invention can also have a beautiful decorative modeling light above the disc player when playing a music program.
  • the electronic device provided by the present invention may also be a display, a television, a light box or the like. When the invention is applied to a display and a television, the lighting modeling device can be disposed at a support cylinder below the display or the television set, and the formed modeling light not only plays the role of decorative modeling, but also can alleviate people to a certain extent.
  • the display screen When viewing a monitor or a television in a dark environment, the display screen has a stinging sensation on the human eye.
  • the lighting modeling device in the present invention is not limited to the aforementioned electronic device, and any electronic device that requires a large-sized or normal-sized ring-shaped lighting can use the lighting modeling device of the present invention to realize the lighting modeling. .
  • the light styling device of the present invention has great advantages in terms of cost, difficulty in implementation, and precise control of light angle and shape when applied to the field of forming a small-sized ring type light.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

一种具有灯光造型装置的电子设备，包括：箱体；灯光支架；设有多个点光源的点光源发光板；导光板；遮光板及遮光顶盖；遮光板由遮光壁限定出多个传播腔呈周向分布，各点光源分别设在各传播腔的光线射入口，且朝向光线射出口，导光板的多个导光部配合在各传播腔内。

Description

遮光板、 灯光造型装置及具有灯光造型装置的电子设备 技术领域
本发明有关于灯光造型领域， 特别有关一种遮光板、 灯光造型装置及具有灯光造型装 置的电子设备。 背景技术
灯光造型装置已经广泛应用于显示器、 音箱、 灯箱、 电视、 光碟播放机等各式电子设 备中， 能为电子设备提供相应的指示功能和装饰美化功能。 目前市面上已知的家电产品的 灯光造型装置， 其灯光造型样式比较单一。 例如有的灯光造型样式为单点光源实现单点灯 光亮灭； 有的灯光造型样式为多点光源排列的点阵式造型灯光， 通过芯片程序来控制其中 各点光源的亮灭； 还有一种环形灯光造型样式， 能使多点灯光依定点沿圆周方向选择性的 亮灭， 以达到良好的装饰美感。 前两种造型样式的灯光造型装置， 技术相对比较成熟； 而 后一种环型灯光造型装置， 在形成大尺寸的环形灯光时， 需要在待形成造型灯光的环形位 置设置非常多的发光源， 成本高、 实现复杂， 并且也无法精确控制造型灯光的光线角度及 形状， 还存在发光不均匀的问题。 发明内容
本发明要解决的技术问题是提供一种发光板、 灯光造型装置及具有灯光造型装置的电 子设备， 能实现大尺寸环形灯光的造型， 实现筒单， 成本低， 且能精确地控制环形造型灯 光的光线角度及形状。
本发明要解决的技术问题是提供一种发光板、 灯光造型装置及具有灯光造型装置的电 子设备， 在各发光区域的交界处不会产生亮线， 发光均匀。
本发明提供一种遮光板， 在所述遮光板的一侧设有遮光壁， 由所述遮光壁限定出多个 传播腔， 所述多个传播腔呈周向分布， 各传播腔在靠近遮光板中心的内端设置光线射入口， 在远离遮光板中心的外端设有光线射出口。
本发明提供一种灯光造型装置， 包括：
多个点光源；
遮光板， 在所述遮光板的一侧设有遮光壁， 由所述遮光壁限定出多个传播腔， 所述多 个传播腔呈周向分布， 各传播腔在靠近遮光板中心的内端设置光线射入口， 在远离遮光板 中心的外端设有光线射出口， 所述多个点光源分别设在各传播腔的光线射入口。
本发明提供一种具有灯光造型装置的电子设备， 包括：
箱体；
灯光支架， 设置在所述箱体上；
点光源发光板， 设置在所述灯光支架上， 在所述点光源发光板上设有多个点光源； 导光板， 设置在所述点光源发光板的上方， 在所述导光板上设置多个导光部； 遮光板， 设置在所述导光板的上方， 在所述遮光板的下侧设有遮光壁， 由所述遮光壁 限定出多个传播腔， 所述多个传播腔呈周向分布， 各传播腔在靠近遮光板中心的内端设置 光线射入口， 在远离遮光板中心的外端设有光线射出口， 所述多个点光源分别设在各传播 腔的光线射入口， 而导光板的多个导光部分别配合在各传播腔内； 及
遮光顶盖， 设置在遮光板的上方。
根据上述方案， 遮光板的各传播腔形成了一个个封闭的传播空间， 各点光源的光线将 在传播腔内向外传播， 光损小、 光线利用率高， 而通过改变各传播腔距离遮光板中心的距 离和周向分布状态， 将可由少量的点光源构建出大尺寸的环形灯光， 实现筒单， 成本低， 并且通过控制各传播腔外端的光线射出口的开口角度即可决定发光区域的大小， 从而能精 确的控制造型灯光的光线角度和形状， 在本发明应用于电子设备例如音箱、 光碟播放机等 声乐电子设备上时， 通过 CPU写入程序， 来控制灯光随音律变化而转动或呼吸， 能有效增 加产品美感。 附图说明
图 1 为本发明实施方式 1遮光板实施例之一的示意图。
图 2 为本发明实施方式 2灯光造型装置的一个实施方式的模块分解示意图。
图 3 为本发明实施方式 2灯光造型装置优选实施方式的模块分解示意图。
图 4 为本发明实施方式 1的导光板实施例之一的示意图。
图 5 为图 3中拆掉遮光板后的俯视图。
图 6 为本发明实施方式 2的灯光支架的示意图。
图 Ί 为本发明实施方式 3具有灯光造型装置的电子设备实施例之一的分解示意图。 图 8 为本发明实施方式 4具有灯光造型装置的电子设备实施例之一的分解示意图。 具体实施方式 实施方式 1
如图 1所示， 本发明提供一种遮光板 5 , 可用于安装在例如显示器、音箱、灯箱、 电视、 光碟播放机等电子设备上组装成灯光造型装置， 实现灯光造型。 遮光板 5作为灯光造型装 置的主要配件， 能作为独立的产品， 供人们选用。 该遮光板 5在一侧设有遮光壁 50 , 由遮 光壁 50限定出多个传播腔 5 1例如图 1中绘示的六个传播腔，全部传播腔 51在遮光板 5上 呈周向分布， 各传播腔 51在靠近遮光板中心的内端设置光线射入口 52 , 在远离遮光板中 心的外端设有光线射出口 5 3。 遮光板 5的各传播腔 51形成了一个一个封闭的以空气为传 播介盾的传播空间， 当点光源装配在光线射入口 52处时， 其光线将在传播腔 51 内向外传 播， 光损小、 光线利用率高， 而通过改变各传播腔 51距离遮光板中心的距离和周向分布状 态， 将可由该遮光板 5和少数的点光源构建出大尺寸的环形灯光， 实现筒单， 成本低， 并 且通过控制各传播腔 51外端的光线射出口 5 3的开口角度（扇形的圆心角 A ) 即可决定发 光区域的大小， 从而能精确控制造型灯光的光线角度和形状。
如图 1所示， 在本发明中， 遮光板 5可呈圆形， 当然还可依其所安装的电子设备选用 矩形或其它形状。 遮光板 5优选可由白色聚苯乙烯制成， 具有优良的反射性能， 能在遮光 板 5位于各传播腔 5 1内部的表面上（包括传播腔 51的扇形的两侧边和传播腔 5 1的底面） 形成反射面， 进一步减小光损、 提高光线利用率。 另外反射面 54也可由额外的反射涂层、 反射镜片等任何具有高反射性的反射件构成。
在一个优选的实施方式中， 多个传播腔 51以遮光板 5的中心为圆心呈环形周向分布， 各传播腔 51呈扇形， 相邻的遮光壁 50由圆弧 54过渡连接， 使整个遮光壁 50呈现多角的 星形， 在圆弧 54的交点处还可设置安装柱 55 , 各传播腔 51的光线射入口 52设在扇形的 圆心点处， 各传播腔 51的光线射出口 5 3相连通， 从而形成连续的环形造型灯光。 这种扇 形的传播腔 51能使光线呈直线式向外传播， 不会发生光的折射和反射， 光损小， 光线利用 率更高。 另外， 遮光板 5的各传播腔 51还可呈半圆形等其它形状， 不作限制。
在一个优选的实施方式中， 遮光板 5的相邻传播腔 51相邻的两个遮光壁 50的延长线 501在遮光板 5的外侧壁所在的环面上具有重叠区域 B , 从而能使两个相邻传播腔 51的点 光源所对应的发光区域有微小交叠， 防止形成明显亮线， 发光均匀。 当然相邻的遮光壁 50 的延长线 501也可以在遮光板 5的外侧壁所在的环面上刚好相交。 实施方式 1
如图 1 ~ 5所示， 本发明还提供一种包括实施方式 1中的遮光板 5的灯光造型装置。 该 灯光造型装置可以制成一个独立的模块， 应用在不局限于例显示器、 音箱、 灯箱、 电视、 光碟播放机等任何电子设备上， 以实现灯光造型。
如图 1、 2所示， 本发明提供一种灯光造型装置， 包括： 多个点光源 31例如发光二极 管； 及遮光板 5 , 在遮光板 5的一侧设有遮光壁 50 , 由遮光壁 50限定出多个传播腔 51例 如图 1中绘示的六个传播腔， 全部传播腔 51在遮光板 5上呈周向分布， 各传播腔 51在靠 近遮光板中心的内端设置光线射入口 52 , 在远离遮光板中心的外端设有光线射出口 53 , 多 个点光源 31分别设在各传播腔 51的光线射入口 52处， 另外这些点光源 31可以依据各传 播腔 51的光线射入口 52的位置预先固定在一个点光源发光板 3上， 再将点光源发光板 3 设置在遮光板 5设有遮光壁 50的一侧， 从而使各点光源 31就位于各光线射入口 52处。根 据上述方案，遮光板 5的各传播腔 51形成了一个一个封闭的以空气为传播介盾的传播空间， 点光源 31的光线将在传播腔 51 内向外传播， 光损小、 光线利用率高， 而通过改变各传播 腔 51距离遮光板中心的距离和周向分布状态， 将可由该遮光板 5和少数的点光源 31构建 出大尺寸的环形灯光， 实现筒单， 成本低， 并且通过控制各传播腔 51的外端的光线射出口 53的开口角度（扇形的圆心角 A ) 即可决定发光区域的大小， 从而能精确的控制造型灯光 的光线角度和形状。
如图 1、 2所示， 在本发明中， 遮光板 5可呈圆形， 当然还可依其所安装的电子设备选 用矩形或其它形状。 遮光板 5优选由白色聚苯乙烯制成， 具有优良的反射性能， 能在遮光 板 5位于各传播腔 51内部的表面上（包括传播腔 51的扇形的两侧边和传播腔 51的底面） 形成反射面， 进一步减小光损、 提高光线利用率。 另外反射面 54也可由额外的反射涂层、 反射镜片等任何具有高反射性的反射件构成。
在一个优选的实施方式中， 多个传播腔 51以遮光板 5的中心为圆心呈环形周向分布， 各传播腔 51呈扇形， 相邻的遮光壁 50由圆弧 54过渡连接， 使整个遮光壁 50呈现多角的 星形， 在圆弧 54的交点处还可设置安装柱 55 , 各传播腔 51的光线射入口 52设在扇形的 圆心点处， 各传播腔 51的光线射出口 53相连通， 从而能形成连续的环形造型灯光， 各点 光源 31的发光面 311朝向传播腔 51的光线射出口 53。 这种扇形的传播腔 51能使光线呈 直线式向外传播， 不会发生光的折射和反射， 光损小， 光线利用率更高。 另外， 遮光板 5 的各传播腔 51还可呈半圆形等其它形状， 不作限制。
如图 1所示， 在一个优选的实施方式中， 遮光板 5的每相邻传播腔 51相邻的两个遮光 壁 50的延长线 501在遮光板 5的外侧壁所在的环面上（该环面实盾上是后面将要讲到的导 光板 4的外侧壁面 43 )具有重叠区域 B , 从而能使两个相邻传播腔 51的点光源 31所对应 的发光区域有微小交叠， 防止形成明显亮线， 发光均匀。 当然相邻的遮光壁 50 的延长线 501也可以在遮光板 5的外侧壁所在的环面上刚好相交。
如图 3、 4所示， 在一个优选的实施方式中， 本发明的灯光造型装置进一步包括一个导 光板 4 , 导光板设置在遮光板 5和点光源发光板 3之间， 导光板 4设有多个配合在各传播 腔 51 内的导光部 41 , 各导光部 41的内环为与遮光板 5的遮光壁 50所形成的星形对应的 镂空部位， 使遮光壁 50能定位在导光部 41外围而使导光部 41填充在各传播腔 51 内。 在 各传播腔 51内填充导光板 4的导光部 41 , 有利于进一步提高导光率。
在本发明的一个实施方式中， 导光板 4 由聚甲基丙烯酸脂 固 ）制成， 传导率高， 光损小。 当然其它透明的高导光率的材盾也可选用。 导光板 4为圆形， 从而实现环形的造 型灯光。 导光板 4的各导光部 41配合扇形的传播腔 51也呈扇形， 在导光部 41的圆心点处 设有切弧面 42 , 各切弧面 42与遮光板 5的各传播腔 51的光线入射口 52相对应， 导光板 4 的外侧壁面 43为抛光面， 能有效减小光损。 导光板 4的相邻导光部 41的相邻的侧边 44之 间由过渡圆弧 45相连接。
如图 5所示， 相应于遮光板 5的每相邻传播腔 51相邻的两遮光壁 50的延长线 501在 遮光板 5的外侧壁所在的环面上具有重叠区域 B , 导光板 4的相邻导光部 41的相邻两侧边 44的延长线在导光板 4的外侧壁面 43上也具有重叠区域 C ,使各发光区域的交界处不会产 生亮线， 发光均匀。
如图 6 所示， 在本发明的一个实施方式中， 本发明的灯光造型装置进一步包括一个灯 光支架 2 , 也可由白色聚苯乙烯制成， 具有优良的反射性能， 灯光支架 2设有容纳导光板 4 凹部 21 , 该凹部 21具有与导光板 4的外侧壁面 43 (抛光面）相配合的支架抛光面 22 , 以 有效反射由导光板 4的外侧壁面 43射出的光线， 在凹部 21内进一步设置第二凹部 23 , 以 供容纳点光源发光板 3。 实施方式 3
如图 1 ~ 7所示， 本发明提供一种具有灯光造型装置的电子设备， 在该实施方式中， 该 电子设备是音箱， 其包括：
箱体 1 , 音箱内部的现有结构， 不是本发明的重点， 不作描述；
灯光支架 2 , 设置在箱体 1上；
点光源发光板 3 , 设置在灯光支架 1上， 在点光源发光板 3上设有多个点光源 31 , 点 光源 31可选用单面发光的发光二极管， 亮度更集中； 导光板 4 , 设置在点光源发光板 3的上方， 在导光板 4上设置多个导光部 41 ;
遮光板 5 , 设置在导光板 4的上方， 在遮光板 5的下侧设有遮光壁 50 , 由遮光壁 50限 定出多个传播腔 51例如图 1中绘示的六个传播腔， 全部传播腔 51在遮光板 5上呈周向分 布， 各传播腔 51在靠近遮光板中心的内端设置光线射入口 52 , 在远离遮光板中心的外端 设有光线射出口 53 , 各点光源 31分别设在各传播腔 51的光线射入口 52处， 而导光板 4 的多个导光部 41分别紧密地配合在各传播腔 51内；
遮光顶盖 6 , 设置在遮光板 5的上方。
据此方案， 遮光板 5的各传播腔 51形成了一个个封闭的以导光部 41为传播介盾的传 播空间， 各点光源 31的光线将在传播腔 51内沿导光部 41向外传播， 光损小、 光线利用率 高， 通过改变各传播腔 51 距离遮光板中心的距离和周向分布状态， 将可由少量的点光源 31构建出大尺寸的环形灯光， 实现筒单， 成本低， 并且通过控制各传播腔 51 的外端的光 线射出口 53的开口角度（扇形的圆心角 A ) 即可决定发光区域的大小， 从而能精确的控制 造型灯光的光线角度和形状。
如图 1、 2所示， 遮光板 5优选由白色聚苯乙烯制成， 具有优良的反射性能， 能在遮光 板 5位于各传播腔 51内部的表面上（包括传播腔 51的扇形的两侧边和传播腔 51的底面） 形成反射面， 进一步减小光损、 提高光线利用率。 另外反射面 54也可由额外的反射涂层、 反射镜片等任何具有高反射性的反射件构成。
遮光板 5 可呈圆形， 当然还可依其所安装的电子设备选用矩形或其它形状。 多个传播 腔 51以遮光板 5的中心为圆心呈环形周向分布， 各传播腔 51呈扇形， 相邻的遮光壁 50由 圆弧 54过渡连接， 使整个遮光壁 50呈现多角的星形， 在圆弧 54的交点处还可设置安装柱 55 , 各传播腔 51的光线射入口 52设在扇形的圆心点处， 各传播腔 51的光线射出口 53相 连通， 从而形成连续的环形造型灯光， 各点光源 31的发光面 311朝向传播腔 51的光线射 出口 53。 这种扇形的传播腔 51 能使光线呈直线式向外传播， 不会发生光的折射和反射， 光损小， 光线利用率更高。
如图 3、 4所示， 导光板 4由聚甲基丙烯酸脂 （P固 A )制成， 传导率高， 光损小。 当然 其它透明的高导光率的材盾也可选用。 导光板 4为圆形， 从而实现环形的造型灯光。 导光 板 4的各导光部 41配合扇形的传播腔 51也呈扇形， 在导光部 41的圆心点处设有切弧面 42 , 各切弧面 42与遮光板 5的各传播腔 51的光线入射口 52相对应， 导光板 4的外侧壁面 43为抛光面， 能有效减小光损。 导光板 4的相邻导光部 41的相邻的侧边 44之间由过渡圆 弧 45相连接。导光板 4在各导光部 41的内环为与遮光板 5的遮光壁 50所形成的星形相对 应的镂空部位，使遮光壁 50能定位在导光部 41外围而使导光部 41填充在各传播腔 51内。 在各传播腔 51 内填充导光板 4的导光部 41 , 有利于进一步提高导光率。 另外， 遮光板 5 的各传播腔 51及导光板 4的导光部 41还可呈相配合的半圆形等其它形状， 不作限制。
如图 1、 5所示， 遮光板 5的每相邻传播腔 51相邻的两个遮光壁 50的延长线 501在遮 光板 5的外侧壁所在的环面上（该环面实盾上是导光板 4的外侧壁面 43 )具有重叠区域 B, 导光板 4的相邻导光部 41的相邻两侧边 44的延长线在导光板 4的外侧壁面 43上也具有重 叠区域 C, 从而能使两个相邻传播腔 51的点光源 31所对应的发光区域有微小交叠， 防止 形成明显亮线， 发光均勾。 当然相邻的遮光壁 50的延长线 501 , 导光板 4的相邻导光部 41 的相邻两侧边 44的延长线， 也可以在导光板 4的外侧壁面 43上刚好相交。
如图 6所示， 灯光支架 2也可由白色聚苯乙烯制成， 具有优良的反射性能， 灯光支架 2 设有容纳导光板 4的凹部 21 , 该凹部 21具有与导光板 4的外侧壁面 43 (抛光面）相配合 的支架抛光面 22 , 以有效反射由导光板 4的外侧壁面 43射出的光线， 在凹部 21内进一步 设置第二凹部 23 , 以供容纳点光源发光板 3。 实施方式 4
如图 8 所示， 该实施方式也提供了一种具有灯光造型装置的电子设备， 在该实施方式 中， 该电子设备是光碟播放机， 除其中的箱体 1是光碟播放机的机箱以外， 其它细部结构、 原理和效果与实施方式 3相同， 不再重述。 本发明提供的光碟播放机， 在播放音乐节目时， 光碟播放机上方还可具有绚丽的装饰性造型灯光。 另外， 本发明所提供的电子设备还可以是显示器， 电视、 灯箱等等。 在本发明应用于 显示器和电视时， 可以使灯光造型装置设置在显示器或电视机下方的支撑圆柱处， 所形成 的造型灯光不仅起到装饰造型的作用， 也能在一定程度上緩解人们在较暗环境中观看显示 器、 电视机时， 显示屏幕对人眼造型的恍刺感。 在本发明应用于灯箱时， 能以极筒单的结 构、 较低的成本， 构建大尺寸的环形灯光， 具有极大的优势， 且能精确地控制环形造型灯 光的光线角度及形状。 当然， 本发明中的灯光造型装置不仅仅局限于前述提及到的电子设 备， 任何需要大尺寸或正常尺寸的环形造型灯光的电子设备， 均能釆用本发明的灯光造型 装置， 实现灯光造型。 本发明的灯光造型装置， 在应用于形成小尺寸环型灯光的领域时， 在成本、 实现难易程度上、 精确控制光线角度及形状方面， 仍具有极大的优势。 但以上所述， 仅为本发明的具体实施方式， 当不能以此限定本发明实施的范围， 凡依 本发明的发明内容所作的等同变化与修饰 , 任何他人由具有传播腔的遮光板来导引光线在 预定空间内传导， 均应属于本发明的保护范围。

Claims

权 利 要 求 书
I. 一种遮光板， 其特征在于， 在所述遮光板的一侧设有遮光壁， 由所述遮光壁限定出 多个传播腔， 所述多个传播腔呈周向分布， 各传播腔在靠近遮光板中心的内端设有光线射 入口， 在远离遮光板中心的外端设有光线射出口。
2. 根据权利要求 1所述的遮光板， 其特征在于， 所述多个传播腔以遮光板的中心为圆 心呈环形周向分布， 所述各传播腔呈扇形， 所述各传播腔的光线射入口设在扇形的圆心点 处， 各传播腔的光线射出口相连通。
3. 一种灯光造型装置， 其特征在于， 包括：
多个点光源；
遮光板， 在所述遮光板的一侧设有遮光壁， 由所述遮光壁限定出多个传播腔， 所述多 个传播腔呈周向分布， 各传播腔在靠近遮光板中心的内端设有光线射入口， 在远离遮光板 中心的外端设有光线射出口， 所述多个点光源分别设在各传播腔的光线射入口处。
4. 根据权利要求 3所述的灯光造型装置， 其特征在于， 所述多个传播腔以遮光板的中 心为圆心呈环形周向分布， 所述各传播腔呈扇形， 所述各传播腔的光线射入口设在扇形的 圆心点处， 各传播腔的光线射出口相连通， 各点光源的发光面朝向传播腔的光线射出口。
5. 根据权利要求 4所述的灯光造型装置， 其特征在于， 在所述遮光板位于所述各传播 腔内部的表面上形成反射面。
6. 根据权利要求 4所述的灯光造型装置， 其特征在于， 还包括一个导光板， 设在所述 遮光板设有遮光壁的一侧， 在所述导光板上设有多个配合在各传播腔内的导光部。
7. 根据权利要求 6所述的灯光造型装置， 其特征在于， 还包括一个点光源发光板， 设 置在所述导光板的下方， 所述多个点光源固定在所述点光源发光板上。
8. 根据权利要求 7所述的灯光造型装置， 其特征在于， 还包括一个灯光支架， 设在所 述点光源发光板的下方。
9. 根据权利要求 6所述的灯光造型装置， 其特征在于， 所述遮光板、 导光板均为圆形， 所述导光板由聚甲基丙烯酸脂制成。
10. 根据权利要求 6 所述的灯光造型装置， 其特征在于， 所述导光板的各导光部呈扇 形， 导光部的扇形的圆心点处设有切弧面， 所述各切弧面与遮光板的各传播腔的光线入射 口相对应。
I I. 根据权利要求 6 所述的灯光造型装置， 其特征在于， 所述导光板的外侧壁面为抛 光面。
12. 根据权利要求 11所述的灯光造型装置， 其特征在于， 所述遮光板、 灯光支架均由 白色聚苯乙烯制成， 所述灯光支架设有容纳导光板的凹部， 所述凹部具有与导光板的抛光 面相配合的支架抛光面。
1 3. 根据权利要求 6 所述的灯光造型装置， 其特征在于， 相邻传播腔的相邻的遮光壁 的延长线在所述导光板的外侧壁面上具有重叠区域。
14. 一种具有灯光造型装置的电子设备， 其特征在于， 包括：
箱体；
灯光支架， 设置在所述箱体上；
点光源发光板， 设置在所述灯光支架上， 在所述点光源发光板上设有多个点光源； 导光板， 设置在所述点光源发光板的上方， 在所述导光板上设置多个导光部； 遮光板， 设置在所述导光板的上方， 在所述遮光板的下侧设有遮光壁， 由所述遮光壁 限定出多个传播腔， 所述多个传播腔呈周向分布， 各传播腔在靠近遮光板中心的内端设置 光线射入口， 在远离遮光板中心的外端设有光线射出口， 所述多个点光源分别设在各传播 腔的光线射入口， 而导光板的多个导光部分别配合在各传播腔内； 及
遮光顶盖， 设置在遮光板的上方。
15. 根据权利要求 14所述的具有灯光造型装置的电子设备， 其特征在于， 所述多个传 播腔以遮光板的中心为圆心呈环形周向分布， 所述各传播腔呈扇形， 所述各传播腔的光线 射入口设在扇形的圆心点处， 各传播腔的光线射出口相连通， 各点光源为发光二极管， 其 发光面朝向传播腔的光线射出口， 相邻传播腔的相邻的遮光壁的延长线在所述导光板的外 侧壁面上具有重叠区域。
PCT/CN2010/071364 2010-03-26 2010-03-26 遮光板、灯光造型装置及具有灯光造型装置的电子设备 WO2011116531A1 (zh)

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