WO2015000410A1 - Dispositif de captage de lumière et dispositif d'affichage - Google Patents

Dispositif de captage de lumière et dispositif d'affichage Download PDF

Info

Publication number
WO2015000410A1
WO2015000410A1 PCT/CN2014/081471 CN2014081471W WO2015000410A1 WO 2015000410 A1 WO2015000410 A1 WO 2015000410A1 CN 2014081471 W CN2014081471 W CN 2014081471W WO 2015000410 A1 WO2015000410 A1 WO 2015000410A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
component
light guide
display device
guide component
Prior art date
Application number
PCT/CN2014/081471
Other languages
English (en)
Chinese (zh)
Inventor
杜滨
姜鹏
李伟
Original Assignee
华为终端有限公司
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 华为终端有限公司 filed Critical 华为终端有限公司
Publication of WO2015000410A1 publication Critical patent/WO2015000410A1/fr

Links

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
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0038—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
    • 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
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02B6/0005—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 of the fibre type
    • G02B6/0008—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 of the fibre type the light being emitted at the end of the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133618—Illuminating devices for ambient light

Definitions

  • the present invention relates to the field of display device technologies, and in particular, to a light collecting device and a display device. Background technique
  • the common countermeasure in portable electronic devices is to add an ambient light sensing device to the device.
  • an ambient light sensing device When reading ambient light is strong, increase the brightness of the LCD backlight by increasing the backlight current or duty cycle.
  • this scheme has a limited effect. When it is adjusted to the maximum brightness of the LCD, it cannot be adjusted.
  • increasing the backlight brightness will increase the backlight power consumption, thereby increasing the power consumption of the whole machine and shortening the battery life.
  • An object of the present invention is to provide a light collecting device and a display device, which can improve the backlight brightness of the display screen and improve the display effect without increasing the power consumption of the backlight.
  • a first aspect of the present invention provides a light collecting device, the light collecting device comprising: a light collecting member and a light guiding member;
  • the concentrating member is configured to condense light projected on a surface of the concentrating member
  • the light guiding member is configured to receive the light concentrated by the light collecting member and derive the light from the light exiting port of the light guiding member to form a light source.
  • the light entrance of the light guiding component is located at a focus position of the light collecting component;
  • the light incident surface of the light guiding member is located at a focal plane position of the light collecting member.
  • the inside of the light guiding member is a material having an absorption coefficient of less than 1 cm- 1
  • the outer portion of the light guiding member is a reflective material or has a low refractive index
  • the material of the internal refractive index of the light guiding member or the optical film having a plurality of layers of high refractive index, the outer portion of the light guiding member covers the inside of the light guiding member.
  • the interior of the light guiding member is glass, polycarbonate PC, polyacrylic acid Oxime ester P solid A or silica material.
  • the light exit of the light guiding member is in contact with the light guide plate of the display device, and the light source formed by the light guiding member is introduced into the display device Light guide plate.
  • the light collecting device further includes: a connecting component, the connecting component is configured to use the light guiding component
  • the light exit port is fixedly connected to the light guide plate of the display device.
  • the concentrating component and the light guiding component are disposed on the display device And integrated with the display device.
  • the light collecting device is disposed separately from the display device.
  • the present invention further provides a display device, the display device comprising: a light guide plate, a light collecting member and a light guiding member;
  • the concentrating member is configured to condense light projected on a surface of the concentrating member
  • the light guiding member, the light exit opening of the light guiding member is in contact with the light guiding plate, and is configured to collect the light concentrated by the light collecting member and export the light from the light emitting port of the light guiding member to the Light guide plate.
  • the light guiding component The light entrance port is located at a focus position of the concentrating member.
  • the inside of the light guiding member is a material having an absorption coefficient of less than 1 cm- 1
  • the outer portion of the light guiding member is a reflective material or has a low refractive index
  • the material of the internal refractive index of the light guiding member or the optical film having a plurality of layers of high refractive index, the outer portion of the light guiding member covers the inside of the light guiding member.
  • the interior of the light guiding member is glass, polycarbonate PC, polydecyl methacrylate P solid A or silica material.
  • the display device further includes: a connecting component, the connecting component is configured to fixedly connect the light exit opening of the light guiding component to the light guide plate .
  • the light collecting device and the display device provided by the present invention collect ambient light by the concentrating member and the light guiding member, and then lead to the entrance of the light entrance of the light guide plate of the display device, and the backlight can be omitted without high brightness illumination. At the same time of power consumption, the backlight brightness of the display device is increased, thereby increasing the brightness of the display screen.
  • FIG. 1 is a schematic structural diagram of a light collecting device according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural diagram of a light collecting device according to Embodiment 2 of the present invention.
  • FIG. 3 is a schematic diagram showing the structure of installing a light collecting device in a display device according to Embodiment 3 of the present invention. detailed description
  • the light collecting device and the display device provided by the invention are suitable for liquid crystal displays or display screens of various electronic products, in particular, transmissive LCD displays, to utilize the collected ambient light as a backlight, Increase the brightness of the backlight of the display to increase the brightness of the display.
  • the light collecting device of the present invention comprises: a light collecting member 1 and a light guiding member 2.
  • the concentrating member 1 is used to condense the light projected on the surface of the concentrating member 1, and may be, but not limited to, a condensing lens such as a convex lens or a Fresnel lens, or a combination of a plurality of lenses or a combination of several lenses.
  • a condensing lens such as a convex lens or a Fresnel lens
  • the mode, the specific number, and the lens shape are not limited in the present invention.
  • the light guiding member 2 is for receiving the light condensed by the condensing member 1 and extracting it from the light exit port 22 of the light guiding member 1 to form a light source.
  • the light entrance port 21 of the light guiding member 2 is located at a focus position of the concentrating member 1, or is close to the focus position.
  • the inside of the light guiding member 2 is a material having an absorption coefficient of less than 1 cm- 1 , and may be, but not limited to, a material including glass, polycarbonate PC, polydecyl acrylate P solid A or silica.
  • the outside of the light guiding member 2 is a light reflecting material or a material having a refractive index lower than the internal refractive index of the light guiding member or a multilayer optical film having a high refractive index, for example, a gas having a lower refractive index and a silver having a higher light reflectance. and many more.
  • the outside of the light guiding member 2 covers the inside of the light guiding member 2, and constitutes a light guiding device that satisfies the principle of total reflection, specular reflection, or diffuse reflection, and transmits light from the light entrance port 21 to the light exit port 11.
  • the refractive index n1 inside the light guiding member 2 and the material outside the light guiding member 2 are made of a material having a refractive index n2 ⁇ nl, the light is guided by the principle of total reflection.
  • the outside of the light guiding member 2 is a light reflecting material or a multilayer optical film having a high refractive index and a low phase, the light is guided by the principle of specular reflection or diffuse reflection.
  • the inside of the light guiding member 2 is a material having a high refractive index
  • the outside is a material having a low refractive index
  • the outer low refractive index material layer of the light guiding member 2 covers the inside of the light guiding member 2
  • the light guiding member 2 is The interior satisfies the total reflection condition.
  • the total reflection condition is broken by making a structure such as an irregular shape, and the light exit port 22 is formed so that the light can enter the light guide plate 3.
  • the light guiding member 2 can be, but not limited to, a fiber or the like, and transmits light from the light entrance port 21 to the light exit port 22 by the principle of total reflection.
  • the light exit 22 of the light guiding member 1 can be connected to the display device, so that the light source formed in the light guiding member 1 can enter the light guide plate of the display device to enhance the backlight of the display device.
  • the light collecting device may further include a connecting member (not shown) for fixedly connecting the light exit port 22 of the light guiding member 2 to the light guide plate (not shown) of the display device.
  • a connecting member (not shown) for fixedly connecting the light exit port 22 of the light guiding member 2 to the light guide plate (not shown) of the display device.
  • the ambient light passes through the concentrating member 1 and converges, and enters the light guiding member 2 from the light entrance 21 of the light guiding member 1. Since the refractive index of the light guiding member 2 is large, the external refractive index is small, and most of the light is in the form of total reflection. Propagating in the light guiding member 2, the light exiting port 22 of the light guiding member 1 is broken by the total reflection condition of the light guiding member 1, and the light is led out from the light exit port 22. If the light guiding member 2 is connected to the light guiding plate of the display device, light can directly enter the light guiding plate of the display device from the light guiding member 2.
  • the concentrating device of the embodiment of the invention can be placed in the display device and integrated with the display device.
  • the condensing member 1 is located on the surface of the casing of the display device or electronic product, and the light guiding member 1 is connected to the concentrating member 1 and the light guide plate.
  • the concentrating device can also be provided separately from the display device and assembled separately into a portable device for use as an accessory external accessory. The details will be described below by the second embodiment.
  • Fig. 2 is a schematic view showing the structure of a light collecting device according to the present embodiment.
  • the light collecting device of the present invention comprises: a light collecting member 1 and a light guiding member 2.
  • the light entrance opening 21 of the light guiding member 2 is a plane having a large area and is called a light incident surface.
  • the light incident surface of the light guiding member 2 is located at the focal plane position of the light collecting member 1, or is similar to the focal plane position of the light collecting member 1.
  • the light propagating in the light guiding member 2 is led out by the light exit opening 22 of the light guiding member 2.
  • the conventional LCD display device usually includes a liquid crystal panel, a light guide plate, a backlight, a reflection sheet, and a polarizer.
  • the liquid crystal panel, the polarizer, the light guide plate, and the reflection sheet are stacked in a stack, and the backlight is located.
  • FIG. 3 is a schematic structural diagram of installing a light collecting device in a display device according to the embodiment.
  • the display device of the present invention further includes: a light collecting member 1 and a light guiding member 2.
  • the condensing member 1 is located on the surface of the display device for concentrating the light projected on the surface of the concentrating member 1.
  • the concentrating member 1 may be, but not limited to, a condensing lens such as a convex lens or a fennel lens, or a combination of a plurality of lens laminations or a combination of several lenses, and the specific number and lens shape are not to be used in the present invention. limit.
  • the light guiding member 2 is for receiving the light condensed by the condensing member 1 and extracting it from the light exit port 22 of the light guiding member 1 to form a light source.
  • the light entrance port 21 of the light guiding member 2 is located at a focus position of the concentrating member 1, or is close to the focus position.
  • the inside of the light guiding member 2 is a material having an absorption coefficient of less than 1 cm- 1 , and may be, but not limited to, a material including glass, polycarbonate PC, polydecyl acrylate P solid A or silica.
  • the outside of the light guiding member 2 is a light reflecting material or a material having a refractive index lower than the internal refractive index of the light guiding member or a multilayer optical film having a high refractive index, for example, a gas having a lower refractive index and a silver having a higher light reflectance. and many more.
  • the outside of the light guiding member 2 covers the inside of the light guiding member 2, and constitutes a light guiding device that satisfies the principle of total reflection, specular reflection, or diffuse reflection, and transmits light from the light entrance port 21 to the light exit port 11.
  • the refractive index n1 inside the light guiding member 2 and the material outside the light guiding member 2 are made of a material having a refractive index n2 ⁇ nl, the light is guided by the principle of total reflection.
  • the outside of the light guiding member 2 is a light reflecting material or a multilayer optical film having a high refractive index and a low phase, the light is guided by the principle of specular reflection or diffuse reflection.
  • the inside of the light guiding member 2 is a material having a high refractive index
  • the outside is a material having a low refractive index
  • the outer low refractive index material layer of the light guiding member 2 covers the inside of the light guiding member 2
  • the light guiding member 2 is The interior satisfies the total reflection condition. Breaking through the light-emitting part of the light-guiding member 1 by making an irregular shape or the like Under the condition of bad total reflection, the light exit 22 is formed so that light can enter the light guide plate 3.
  • the light guiding member 2 can be, but not limited to, a fiber or the like, and transmits light from the light entrance port 21 to the light exit port 22 by the principle of total reflection. Of course, other devices can also be used to guide light by the principles of specular reflection and diffuse reflection.
  • the light exit opening 22 of the light guiding member 2 can be connected to the light guide plate 3 of the display device, and can be connected to the light guide plate 3 by, but not limited to, bonding with various bonding materials or ultrasonic welding. Thereby, the light source derived from the light guiding member 2 can enter the light guide plate 3 of the display device to enhance the backlight of the display device.
  • a light connecting port 22 of the light guiding member 2 is further provided with a connecting member (not shown) for fixedly connecting the light exit port 22 of the light guiding member 2 to the light guide plate 3 of the display device.
  • the ambient light passes through the concentrating member 1 and converges, and enters the light guiding member 2 from the light entrance 21 of the light guiding member 1. Since the refractive index of the light guiding member 2 is large, the external refractive index is small, and most of the light is in the form of total reflection. Propagating in the light guiding member 2, the light exiting opening 22 of the light guiding member 1 is broken by the total reflection condition of the light guiding member 1, and the light is led out from the light exit opening 22 to the light guide plate 3. If the light guiding member 1 is connected to the light guide plate 3 of the display device, light can enter the light guide plate 3 from the light guiding member 2.
  • the concentrating device and the display device provided by the embodiments of the present invention have the functions of concentrating and concentrating ambient light, and collecting ambient light by introducing and concentrating ambient light into the light guide plate of the LCD display device to enhance the brightness of the backlight; Illumination can improve the display (brightness, contrast, color) without increasing the power consumption of the LCD backlight.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

L'invention porte sur un dispositif de captage de lumière et sur un dispositif d'affichage, le dispositif de captage de lumière comportant : un composant de captage de lumière (1) et un composant de guidage de lumière (2) ; le composant de captage de lumière (1) est utilisé pour capter une lumière projetée sur la surface de ce dernier ; le composant de guidage de lumière (2) est utilisé pour capter la lumière captée par le composant de captage de lumière (1) et pour guider la lumière à l'extérieur d'une sortie de lumière (22) du composant de guidage de lumière (2) afin de former une source de lumière. Le dispositif de captage de lumière et le dispositif d'affichage peuvent améliorer la luminance de rétroéclairage d'un écran d'affichage sans augmenter la consommation d'énergie du rétroéclairage.
PCT/CN2014/081471 2013-07-02 2014-07-02 Dispositif de captage de lumière et dispositif d'affichage WO2015000410A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310274558.4A CN104279516A (zh) 2013-07-02 2013-07-02 集光装置及显示装置
CN201310274558.4 2013-07-02

Publications (1)

Publication Number Publication Date
WO2015000410A1 true WO2015000410A1 (fr) 2015-01-08

Family

ID=52143110

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/081471 WO2015000410A1 (fr) 2013-07-02 2014-07-02 Dispositif de captage de lumière et dispositif d'affichage

Country Status (2)

Country Link
CN (1) CN104279516A (fr)
WO (1) WO2015000410A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3518023A1 (fr) * 2018-01-26 2019-07-31 Momes GmbH Dispositif de visualisation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108398832B (zh) 2018-03-27 2020-11-06 成都京东方光电科技有限公司 一种显示装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09197132A (ja) * 1996-01-12 1997-07-31 Casio Comput Co Ltd 照明装置
CN101726920A (zh) * 2008-10-14 2010-06-09 华映视讯（吴江）有限公司 平面显示器
CN102966909A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置
CN102966910A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置
CN102966911A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置
CN102966912A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置
CN102966913A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126880A (en) * 1990-12-18 1992-06-30 The Dow Chemical Company Polymeric reflective bodies with multiple layer types
CN202093292U (zh) * 2011-05-27 2011-12-28 北京交通大学 带有增透层结构的分布式侧面泵浦光纤放大器
CN202757057U (zh) * 2012-04-13 2013-02-27 刘志方 一种导光管采光装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09197132A (ja) * 1996-01-12 1997-07-31 Casio Comput Co Ltd 照明装置
CN101726920A (zh) * 2008-10-14 2010-06-09 华映视讯（吴江）有限公司 平面显示器
CN102966909A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置
CN102966910A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置
CN102966911A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置
CN102966912A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置
CN102966913A (zh) * 2012-11-02 2013-03-13 深圳市华星光电技术有限公司 背光模块及显示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3518023A1 (fr) * 2018-01-26 2019-07-31 Momes GmbH Dispositif de visualisation

Also Published As

Publication number Publication date
CN104279516A (zh) 2015-01-14

Similar Documents

Publication Publication Date Title
TWI422908B (zh) 觸控顯示裝置
CN103620457B (zh) 采用光漫射光纤的光耦合光学系统和方法
JP5222229B2 (ja) 表示装置
WO2016107084A1 (fr) Module optique et dispositif d'affichage réfléchissant
US20120127697A1 (en) Optical sheet and method of manufacturing the same
TW201241505A (en) Front light module
WO2014190721A1 (fr) Feuille de focalisation de lumière, source de rétroéclairage et affichage à cristaux liquides
KR100813255B1 (ko) 고출력 도광판 및 이를 채용한 백라이트 유닛
WO2014015541A1 (fr) Module de rétroéclairage
JP2020518997A (ja) 直下型バックライト表示モジュール及び表示装置
JP2010134139A (ja) 表示装置
JP2020518998A (ja) 直下型バックライト表示モジュール及び表示装置
WO2017181477A1 (fr) Module de rétroéclairage et dispositif d'affichage
TWI657277B (zh) 顯示裝置
TW201222070A (en) Touch screen display apparatus and cover lens and assembling method thereof
US11734945B2 (en) Display module and display device
WO2015000410A1 (fr) Dispositif de captage de lumière et dispositif d'affichage
JP2009059498A (ja) 照明装置および液晶表示装置
WO2016090722A1 (fr) Structure de stratification complète de module à cristaux liquides
KR102113631B1 (ko) 액정표시장치 및 그 제조방법
KR102101204B1 (ko) 액정표시장치 및 그 제조방법
JP2007065611A (ja) プリズムシート及びそのプリズムシートを備えた、液晶表示パネルに用いられるバックライト装置
TW201044071A (en) Back light module and optical device using the same
KR102128924B1 (ko) 액정표시장치 및 그 제조방법
US20130010409A1 (en) Electronic Apparatus and Display Thereof

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: 14820044

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: 14820044

Country of ref document: EP

Kind code of ref document: A1