WO2014194636A1 - Module de rétroéclairage et appareil d'affichage - Google Patents

Module de rétroéclairage et appareil d'affichage Download PDF

Info

Publication number
WO2014194636A1
WO2014194636A1 PCT/CN2013/089461 CN2013089461W WO2014194636A1 WO 2014194636 A1 WO2014194636 A1 WO 2014194636A1 CN 2013089461 W CN2013089461 W CN 2013089461W WO 2014194636 A1 WO2014194636 A1 WO 2014194636A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide plate
light guide
light
light source
backlight module
Prior art date
Application number
PCT/CN2013/089461
Other languages
English (en)
Chinese (zh)
Inventor
龙君
刘俊国
宋勇
Original Assignee
北京京东方光电科技有限公司
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 北京京东方光电科技有限公司 filed Critical 北京京东方光电科技有限公司
Publication of WO2014194636A1 publication Critical patent/WO2014194636A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/32—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using arrays of controllable light sources; using moving apertures or moving light sources
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide

Definitions

  • Embodiments of the present invention relate to a backlight module and a display device. Background technique
  • stereoscopic display that is, 3D (three-dimens iona) display
  • 3D technology can make the picture stereoscopic, and the image is no longer limited to the screen plane, as if it can walk out of the screen, giving the audience an immersive feeling.
  • the classification of 3D display technology is numerous, the basic principle is similar, that is, different images are received by the human eye, because the eyes of the person are separated by about 65 mm, and the difference in position causes the left eye and the right eye to see different.
  • the two-dimensional image, and then the brain is superimposed and regenerated by the information of different two-dimensional images to form an image with the effects of the front, the back, the left, the right, the far, and the like.
  • the conventional eye-eye 3D display device is composed of a display panel and a grating, wherein the grating comprises a plurality of grating units, and the grating is arranged in front of the display panel in a certain manner, and the grating is divided to make the eyes of the person see different Visual images that produce a three-dimensional look.
  • the display brightness is lowered.
  • Embodiments of the present invention provide a backlight module and a display device, including the display device of the backlight module, which can make a stereoscopic feeling to a person who sees a picture without a grating, thereby improving display brightness.
  • the present invention provides a backlight module, including: a first light guide plate and a second light guide plate stacked in a stack; and a first light source disposed opposite to the first light guide plate and a second light source disposed opposite to the second light guide plate, Wherein the first light source and the second light source are located on opposite sides of the two light guide plates; wherein, on the upper surface of the first light guide plate and the second light guide plate or on the first light guide plate And
  • the lower surface of the second light guide plate is provided with a microgroove structure, and the farther the microgroove structure on each of the light guide plates is from the opposite light source, the higher the height of the microgroove structure.
  • the slot structure forms a plurality of rows on the light guide plate, and the farther the distance from the opposite light source is, the smaller the pitch of the adjacent two rows is.
  • each row includes a plurality of microgroove structures, and the microgrooves in the same row are evenly distributed.
  • the further away from the opposite source the more microgrooves each row includes.
  • the slot structure is a triangular groove.
  • the microchannel structure is a right triangle groove.
  • the inclined angles of the inclined sides of the right-angled triangular grooves on the light guide plate are the same.
  • the inclined angle of the right-angled triangular groove is 40 degrees. -60° between.
  • the height of the light source is the same as the height of the light guide plate.
  • the embodiment of the present invention provides a display device, including: a backlight module and a display screen, wherein the backlight module is any backlight module provided by the embodiment of the present invention.
  • FIG. 1 is a cross-sectional structural view of a backlight module according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an optical path of light emitted by a first light source according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of an optical path of light emitted by a second light source according to an embodiment of the present invention
  • FIG. 5 is a schematic structural view of a second light guide plate according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of another second light guide plate according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of another second light guide plate according to an embodiment of the present invention. Reference mark:
  • the embodiment of the present invention provides a backlight module 1 including: a first light guide plate 21 and a second light guide plate 22 stacked in a stack; a first light source 11 and a second light guide plate 22 disposed opposite to the first light guide plate 21 a second light source 12 disposed oppositely, and the first light source 11 and the second light source 12 are located on opposite sides of the two light guide plates; wherein, the first light guide plate 21 and the second light guide plate
  • the upper surface of the 22 or the lower surface of the first light guide plate 21 and the second light guide plate 22 are provided with a microgroove structure 30, and the distance between the microgroove structure 30 on each of the light guide plates and the opposite light source is Far, the height of the microgroove structure is higher.
  • the first light guide plate and the second light guide plate are stacked, and the first light guide plate is located on the second light guide plate, or the second light guide plate is located on the first light guide plate.
  • the positions of the first light guide plate and the second light guide plate are not limited thereto.
  • the first light guide plate deflects the light emitted by the first light source in one direction, that is, the light emitted by the first light source is blocked by the left eye (or the right eye) of the person.
  • a second light source is disposed opposite to the second light guide plate, and the second light guide plate is configured to deflect the light emitted by the second light source in another direction, that is, the light emitted by the second light source is The right eye (or left eye) receives.
  • the first light guide plate deflects the light of the first light source to the right side
  • the second light guide plate deflects the light emitted by the second light source to the left side, wherein the The left "right” is set along the optical path of the backlight module, bounded by the normal of the backlight module.
  • First light guide The light deflected to the right by the plate is received by the left eye of the person, and the light deflected to the left by the second light guide plate is received by the right eye of the person, as shown in FIG.
  • a first light source 11 is disposed opposite to the first light guide plate 21, and the first light guide plate 21 causes the light emitted from the first light source 11 to be deflected in the right direction.
  • the light e and the light f emitted from the first light source 11 are deflected to the right by multiple reflections and refractions of the light guide plate, i.e., the light emitted by the first light source is received by the left eye of the person.
  • a second light source 12 is disposed opposite to the second light guide plate 22, and the second light guide plate 22 is configured to deflect the light emitted by the second light source 12 to the left direction, as shown in FIG.
  • the light ray a, the light ray c, and the light ray b emitted by the second light source 12 are deflected to the left side after being repeatedly reflected and refracted by the light guide plate, that is, the light emitted by the second light source 12 is received by the right eye of the person. Since the light emitted by the first light source and the second light source is deflected in two directions by the light guide plate and respectively received by the left eye and the right eye of the human eye, the left eye view and the right eye view will see different two-dimensional images. Then, the brain superimposes the information of different two-dimensional images to form a three-dimensional effect.
  • the structures of the first light guide plate and the second light guide plate may be the same, but in order to ensure the deflection of the light corresponding to the light source of each light guide plate, according to the light source when the backlight module is mounted Position, the orientation of the two light guide plates is different when installed.
  • a microgroove structure is provided on an upper surface of the first light guide plate and the second light guide plate or on a lower surface of the first light guide plate and the second light guide plate.
  • a microgroove structure may be disposed on an upper surface of the first light guide plate and the second light guide plate, or may be a lower surface of the first light guide plate 21 and the second light guide plate 22 as shown in FIG. Set the microgroove structure. The farther the microgroove structure on each of the light guide plates is from the opposite light source, the higher the height of the microgroove structure, that is, the height of the microgroove structure along the optical path of the light source opposite thereto. As shown in FIG.
  • the greater the loss of light from the light source the greater the loss of light from the light source, that is, the intensity of the light at the position closer to the light source on the light guide plate is greater, and the intensity of the light at a position farther from the light source is smaller, farther away from the light source.
  • the light is deflected by the microgroove structure at a position far from the light source, and the uniformity of light emitted through the light guide plate can be further improved.
  • the light emitted by the light source is prevented from being emitted and refracted only at a position close to the light guide plate, the intensity of the light at a position far from the light source is small, and the backlight module emits unevenly.
  • the microgroove structure is disposed on the lower surface of the light guide plate, and the height of the microgroove structure is the microgroove structure from the lower surface of the light guide plate
  • the maximum distance; the microgroove structure is disposed on the upper surface of the light guide plate, and the height of the microgroove structure is the maximum distance of the microgroove structure from the surface of the light guide plate.
  • the embodiment of the present invention provides a backlight module, wherein the backlight module includes a first light guide plate and a second light guide plate stacked in a stack; a first light source disposed opposite to the first light guide plate and opposite to the second light guide plate a second light source, and the first light source and the second light source are located on opposite sides of the two light guide plates, wherein the first light guide plate deflects light emitted by the first light source in one direction, that is, Light emitted by a light source is received by a left eye (or right eye) of the person; correspondingly, a second light source is disposed opposite to the second light guide plate, and the second light guide plate is used to make the light emitted by the second light source One direction is deflected such that light emitted by the second source is received by the right eye (or left eye) of the person.
  • the left eye and the right eye Since the first left eye and the right eye are received, the left eye and the right eye will see different two-dimensional images, and then the information of different two-dimensional images is superimposed by the brain to form a three-dimensional effect without setting a grating.
  • the light is deflected by the microgroove structure to improve the uniformity of illumination of the backlight module.
  • the micro-slot structure forms a plurality of rows on the light guide plate, and the distance from the opposite light source is smaller, and the spacing between adjacent rows is smaller.
  • the first light guide plate has the same arrangement as the micro groove structure on the second light guide plate, and the principle is the same.
  • the pitch p of the adjacent two rows of microgroove structures closer to the light source is greater than the pitch k of the adjacent two rows of microgroove structures farther from the source.
  • the microgroove structure is formed in a plurality of rows in the direction of 101.
  • the 101 direction may be the optical path direction of the light source opposite to the light guide plate. As shown in FIG. 4, the 101 direction is the optical path direction of the second light source 12. Since the light guide plate is closer to the light source, the intensity of the light emitted by the light source is strong, and the distance from the light source is far, the intensity of the light is weak.
  • the embodiment of the present invention is designed such that: the farther the light guide plate is from the opposite light source, the adjacent two The smaller the pitch of the micro-groove structure of the row, the denser the distribution of the micro-groove structure at the position of the light guide plate at a distance from the light source, the utilization of light emitted by the light source can be improved, and the uniformity of illumination of the backlight module can be further improved.
  • the micro-groove structure on the light guide plate is formed in multiple rows, which may be as shown in FIG. 5, each row includes a micro-groove structure, and the one micro-groove structure runs through the entire light guide plate, so that Each row includes a plurality of micro-groove structures, and a plurality of micro-groove structures in the same row are evenly distributed to ensure The uniformity of light exiting after being reflected and refracted by the microgroove structure.
  • the present embodiment is designed such that the distance is
  • Each row in the vicinity of the light source includes fewer micro-grooves, so that the light emitted by the light source can reach the position where the light guide plate is farther away, and each row is included at a position farther from the light source.
  • the micro-groove structure has many structures, so that the light at a position far away from the light source can be reflected and refracted by more micro-groove structures, thereby improving the uniformity of illumination of the backlight module.
  • the slot structure is a triangular groove.
  • the slot structure is a right-angled triangular slot.
  • each of the right-angled triangular grooves includes a right-angled side 30a and a slanted side 30b.
  • the length of the right-angled side perpendicular to the lower surface of the light guide plate is the depth or height of the groove.
  • the inclined side of the right triangle is opposite to the light source opposite to the light guide plate.
  • the inclined sides of the right-angled triangular grooves on the light guide plate 21 are opposed to the first light source 11; the inclined sides of the right-angled triangular grooves on the light guide plate 22 are opposed to the second light source 12.
  • the inclined angles of the inclined sides of the right-angled triangular grooves on the light guide plate are the same.
  • the angle between each inclined side 30b of the light guide plate and the right angle side 30a is an inclination angle, and the inclination angles ⁇ on the light guide plate are the same.
  • the light guide plate is not only easy to manufacture, but also easy to form and the light is emitted within a certain range, and the uniformity of light emitted by the light guide plate can be further ensured.
  • the inclined angle of the right-angled triangular groove is 40 degrees. -60. between.
  • the angle of inclination of the right triangle is, for example, 40°, 50° or 60°. This not only avoids total reflection, but also because the maximum angle at which the human left and right eyes receive light is typically 70°, and the minimum angle is typically 10° if the angle of inclination is designed to be 40. -60.
  • the angle of the light emitted by the light guide plate is 5° - 35 with respect to the direction perpendicular to the display device (i.e., perpendicular to the light guide plate).
  • the sum of the angles of the light emitted by the light guide plate deflected in two directions is 10. -70. Between, therefore, it is guaranteed that people receive light at an angle of 10° -70. Between, to ensure that the human eye receives images normally.
  • the height of the light source is the same as the height of the light guide plate. This can increase the utilization of light emitted by the light source.
  • the backlight module further includes: a frame and a support member, wherein the frame and the support member are used for fixing and supporting the light guide plate and the light source.
  • the backlight module further includes a frame.
  • the frame 2 and the first support member 31 and the second support member 32 are used to support the components of the entire backlight module, and the support member is used to support other components of the backlight module.
  • the first support member 31 supports the prism sheet 5, the diffusion sheet 6, and the display screen 7.
  • the second support member 32 is for supporting the first light source 11.
  • the components of the backlight module are not limited to the above description.
  • the backlight module may further include a reflective sheet 4 .
  • Other related components of the backlight module can be designed as in conventional technology.
  • the first light guide plate 21 and the second light guide plate 22 can also be bonded together by the transparent glue 8 before assembly, thereby further facilitating the installation of the backlight module.
  • the embodiment of the present invention provides a display device, including: a backlight module and a display screen, wherein the backlight module is any backlight module provided by the embodiment of the present invention.
  • the display device may be a display device such as a liquid crystal display or an electronic paper, and any product or component having a display function such as a television, a digital camera, a mobile phone, a tablet computer or the like including the display device.
  • the two light sources of the backlight module are sequentially switched on and turned on.
  • the second light source 12 when the second light source 12 is turned on, the light emitted from the second light source 12 is emitted through the two light guide plates, and the light emitted from the light guide plate is directed generally in one direction, for example, the left side.
  • the light ray a emitted by the second light source 12 is reflected by the inclined side of the right triangle of the lower light guide plate 22 and then deflected to the left side; the light ray c emitted by the second light source 12 passes through the right triangle of the lower light guide plate 22.
  • the light emitted by the second light source 12 is refracted by the inclined edge of the right triangle on the lower light guide plate 22, and the light b reflected by the reflective sheet passes through the lower light guide plate.
  • the inclined edge of the right triangle on 22 is reflected, it is refracted by the inclined side of the right triangle of the upper light guide plate 21 and then deflected to the left side.
  • the light emitted from the second light source 12 is reflected and refracted by the lower light guide plate and the upper light guide plate, and the emitted light is deflected to the left side.
  • Fig. 3 the light emitted from the second light source 12 is reflected and refracted by the lower light guide plate and the upper light guide plate, and the emitted light is deflected to the left side.
  • the light from the first light source 11 passes through the two light guide plates, and the light emitted from the light guide plate is directed toward the other direction, for example, the right side.
  • the light e emitted by the first light source 11 is refracted by the inclined side of the right triangle of the upper light guide plate 21, and then is repeatedly emitted from the upper light guide plate through the multiple refraction of the lower light guide plate, and the emitted light is directed to the right.
  • the side light is deflected; the light ray f emitted from the first light source 11 is refracted by the inclined side of the right triangle on the upper light guide plate 21 and is directly deflected to the right side.
  • the light emitted from the first light source 11 is reflected and refracted multiple times by the lower light guide plate and the upper light guide plate, and the emitted light is deflected to the right side.
  • the images displayed on the display screen respectively reach the left and right eyes of the person through different directions, so that the eyes of the person see different visual images and generate a stereoscopic feeling.
  • optical path of the light in the drawings in the embodiment of the present invention is only partially reflected and Refraction, which is mainly used to analyze the deflection of light emitted by each light source.
  • the light emitted by each light source is reflected and refracted multiple times by the upper light guide plate and the lower light guide plate, and finally emitted from the upper light guide plate.
  • the light from the light source located on the left side of the light guide plate is deflected to the right after being emitted from the upper light guide plate, and is received by the left eye of the person;
  • the light is finally deflected to the left after being emitted from the upper light guide plate, and is received by the right eye of the person.
  • the images displayed on the display screen pass through the left and right eyes respectively in different directions, so that the eyes of the person see different visual images, resulting in a stereoscopic feeling.
  • the backlight module includes two light guide plates arranged in a stack, and a light source disposed on each side of the light guide plate opposite to a light guide plate, wherein The light emitted by the light source on the right side of the light guide plate is deflected to one side after being repeatedly reflected and refracted by the light guide plate; the light emitted from the light source located on the left side of the light guide plate is reflected and refracted by the light guide plate to the light source on the right side.
  • the emitted light is deflected in different directions of deflection. In this way, the light is deflected in different directions by the backlight module, and the stereoscopic display can be realized without using other structures such as a grating, and the display brightness can be improved.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Planar Illumination Modules (AREA)

Abstract

L'invention concerne un module de rétroéclairage (1) et un appareil d'affichage. Le module de rétroéclairage (1) comprend une première plaque de guidage de lumière (21) et une seconde plaque de guidage de lumière (22) qui sont empilées, et comprend une première source de lumière (11) disposée à l'opposé de la première plaque de guidage de lumière (21), et une seconde source de lumière (12) disposée à l'opposé de la seconde plaque de guidage de lumière (22). La première source de lumière (11) et la seconde source de lumière (12) sont disposées sur deux côtés opposés des deux plaques de guidage de lumière (21, 22). Une structure de micro-rainure (30) est disposée sur l'une des surfaces supérieures de la première plaque de guidage de lumière (21) et de la seconde plaque de guidage de lumière (22) ou l'une des surfaces inférieures de la première plaque de guidage de lumière (21) et de la seconde plaque de guidage de lumière (22), et à mesure qu'une distance entre la structure de micro-rainure (30) sur chaque plaque de guidage de lumière (21, 22) et la source de lumière (11, 12) opposée à la plaque de guidage de lumière (21, 22) augmente, une hauteur de la structure de micro-rainure (30) augmente. Par conséquent, un utilisateur peut avoir une sensation tridimensionnelle sur une image vue sans nécessiter de réseaux optiques, ce qui améliore la luminosité d'affichage.
PCT/CN2013/089461 2013-06-04 2013-12-14 Module de rétroéclairage et appareil d'affichage WO2014194636A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310218308.9 2013-06-04
CN2013102183089A CN103292219A (zh) 2013-06-04 2013-06-04 一种背光模组及显示装置

Publications (1)

Publication Number Publication Date
WO2014194636A1 true WO2014194636A1 (fr) 2014-12-11

Family

ID=49093542

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/089461 WO2014194636A1 (fr) 2013-06-04 2013-12-14 Module de rétroéclairage et appareil d'affichage

Country Status (2)

Country Link
CN (1) CN103292219A (fr)
WO (1) WO2014194636A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170261672A1 (en) * 2016-03-09 2017-09-14 Young Lighting Technology Inc. Light source module and display apparatus

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103292219A (zh) * 2013-06-04 2013-09-11 北京京东方光电科技有限公司 一种背光模组及显示装置
CN104251421B (zh) 2014-07-31 2016-02-10 京东方科技集团股份有限公司 背光模组、显示装置及其显示方法
RU2617003C1 (ru) * 2015-11-05 2017-04-19 Самсунг Электроникс Ко., Лтд. Световодная пластина и содержащее ее устройство задней подсветки
CN105572969A (zh) * 2016-01-04 2016-05-11 京东方科技集团股份有限公司 一种自发光模组及显示装置
JP7097450B2 (ja) * 2018-01-10 2022-07-07 コーニンクレッカ フィリップス エヌ ヴェ 光ガイドユニット
CN110568657A (zh) * 2018-06-05 2019-12-13 中强光电股份有限公司 显示装置
CN112630880B (zh) * 2020-11-27 2021-10-08 苏州雅睿生物技术股份有限公司 一种导光板、荧光检测光学系统、大批量核酸检测方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1584661A (zh) * 2004-06-14 2005-02-23 友达光电股份有限公司 立体影像成像系统
CN1632667A (zh) * 2005-01-28 2005-06-29 友达光电股份有限公司 背光组件及利用此背光组件的立体图像成像装置和方法
CN1973239A (zh) * 2004-06-24 2007-05-30 奥林巴斯株式会社 影像显示装置及车载用影像显示装置
CN101290428A (zh) * 2007-04-18 2008-10-22 奇美电子股份有限公司 使显示器具有立体成像功能的背光模组及其导光板
US20090316433A1 (en) * 2008-06-19 2009-12-24 Sung-Kyu Shim Light guide plate and backlight unit having the same
CN103105697A (zh) * 2011-11-10 2013-05-15 索尼公司 光源装置、显示装置和电子设备
CN103292219A (zh) * 2013-06-04 2013-09-11 北京京东方光电科技有限公司 一种背光模组及显示装置
CN203286399U (zh) * 2013-06-04 2013-11-13 北京京东方光电科技有限公司 一种背光模组及显示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5897184A (en) * 1996-07-02 1999-04-27 Dimension Technologies, Inc. Reduced-thickness backlighter for autostereoscopic display and display using the backlighter
CN100392495C (zh) * 2001-07-27 2008-06-04 株式会社恩普乐 面光源装置及导光板
JP2003149640A (ja) * 2001-11-09 2003-05-21 Kawaguchiko Seimitsu Co Ltd 液晶表示装置
JP4162900B2 (ja) * 2002-02-05 2008-10-08 アルプス電気株式会社 照明装置及び液晶表示装置
EP1544537A4 (fr) * 2002-08-30 2005-11-30 Hitachi Chemical Co Ltd Plaque a guides optiques et dispositif retroeclaire
GB0322682D0 (en) * 2003-09-27 2003-10-29 Koninkl Philips Electronics Nv Backlight for 3D display device
CN100419522C (zh) * 2005-08-19 2008-09-17 鸿富锦精密工业（深圳）有限公司 导光板和背光系统
CN101846266A (zh) * 2009-03-27 2010-09-29 北京京东方光电科技有限公司 背光模组
JP2012138222A (ja) * 2010-12-25 2012-07-19 Omron Corp 面光源装置及び立体表示装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1584661A (zh) * 2004-06-14 2005-02-23 友达光电股份有限公司 立体影像成像系统
CN1973239A (zh) * 2004-06-24 2007-05-30 奥林巴斯株式会社 影像显示装置及车载用影像显示装置
CN1632667A (zh) * 2005-01-28 2005-06-29 友达光电股份有限公司 背光组件及利用此背光组件的立体图像成像装置和方法
CN101290428A (zh) * 2007-04-18 2008-10-22 奇美电子股份有限公司 使显示器具有立体成像功能的背光模组及其导光板
US20090316433A1 (en) * 2008-06-19 2009-12-24 Sung-Kyu Shim Light guide plate and backlight unit having the same
CN103105697A (zh) * 2011-11-10 2013-05-15 索尼公司 光源装置、显示装置和电子设备
CN103292219A (zh) * 2013-06-04 2013-09-11 北京京东方光电科技有限公司 一种背光模组及显示装置
CN203286399U (zh) * 2013-06-04 2013-11-13 北京京东方光电科技有限公司 一种背光模组及显示装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170261672A1 (en) * 2016-03-09 2017-09-14 Young Lighting Technology Inc. Light source module and display apparatus
US10705283B2 (en) * 2016-03-09 2020-07-07 Nano Precision Taiwan Limited Light source module and display apparatus

Also Published As

Publication number Publication date
CN103292219A (zh) 2013-09-11

Similar Documents

Publication Publication Date Title
WO2014194636A1 (fr) Module de rétroéclairage et appareil d'affichage
TWI312883B (en) Backlight module for 3d display device and method for displaying 3d images utilizing the same
KR101775068B1 (ko) 방향성 평판 조명기
US7333158B2 (en) Three-dimensional display system and method thereof
JP6797672B2 (ja) バックライトユニット及びこれを含むディスプレイ装置
US9217815B2 (en) Double-vision backlight module and liquid crystal display device
WO2018076878A1 (fr) Appareil d'affichage et son procédé d'affichage, et appareil d'affichage de type proche de l'œil et son procédé d'affichage
TWI484389B (zh) 觸控顯示裝置
WO2017054382A1 (fr) Élément optique, plaque de guide de lumière, prisme, unité de rétroéclairage et appareil d'affichage
KR20140144617A (ko) 공간 영상 투영 장치
WO2014153878A1 (fr) Panneau d'affichage et dispositif d'affichage 3d
WO2016037433A1 (fr) Dispositif d'affichage stéréoscopique
WO2016015435A1 (fr) Appareil d'affichage tridimensionnel
KR102015363B1 (ko) 백라이트 유닛 및 그것을 포함하는 표시 장치
CN105676338A (zh) 显示装置
US10795177B2 (en) Prism sheet for auto-stereoscopic 3D display and display device including same
KR20150064618A (ko) 멀티 스크린 디스플레이 장치
CN203286399U (zh) 一种背光模组及显示装置
TW201812346A (zh) 稜鏡片、背光模組，及顯示裝置
JP6803201B2 (ja) 導光板及びこれを含むバックライト装置
TW201035640A (en) Light diffraction member and display and backlight module having the same
WO2016037434A1 (fr) Dispositif d'affichage stéréoscopique
JP2016053705A (ja) 表示装置
KR101082043B1 (ko) 통합형 광학 시트 및 이를 포함하는 광학장치
TWI526742B (zh) 曲型背光模組

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13886168

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13886168

Country of ref document: EP

Kind code of ref document: A1