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WO2018139430A1 - Dispositif d'affichage tête haute - Google Patents

Dispositif d'affichage tête haute Download PDF

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Publication number
WO2018139430A1
WO2018139430A1 PCT/JP2018/001906 JP2018001906W WO2018139430A1 WO 2018139430 A1 WO2018139430 A1 WO 2018139430A1 JP 2018001906 W JP2018001906 W JP 2018001906W WO 2018139430 A1 WO2018139430 A1 WO 2018139430A1
Authority
WO
WIPO (PCT)
Prior art keywords
display
lower case
control board
light
head
Prior art date
Application number
PCT/JP2018/001906
Other languages
English (en)
Japanese (ja)
Inventor
鈴木　淳
利昭 高橋
Original Assignee
日本精機株式会社
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 日本精機株式会社 filed Critical 日本精機株式会社
Priority to JP2018564571A priority Critical patent/JPWO2018139430A1/ja
Publication of WO2018139430A1 publication Critical patent/WO2018139430A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/23—Head-up displays [HUD]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers

Definitions

  • the present invention relates to a head-up display device.
  • a head-up display (HUD) device that displays a virtual image so as to be superimposed on a real scene.
  • a HUD device disclosed in Patent Document 1 includes a light source unit that emits display light, a reflector that guides display light from the light source unit to a windshield, a case body that houses the light source unit and the reflector, And a control board that is provided outside the case body and controls the light source unit.
  • the present invention has been made in view of the above problems, and an object thereof is to provide a small head-up display device.
  • a head-up display device includes: The lower case, An upper case mounted on the lower case and forming a housing with the lower case; An indicator fixed to the lower case; An optical system that is housed in the lower case and guides the light emitted from the display to a projection member; A control board for controlling the display, The control board is provided between the top surface of the upper case and the upper surface of the display.
  • a small head-up display device can be provided.
  • FIG. 1 It is the schematic of the head-up display apparatus which concerns on embodiment of this invention. It is sectional drawing which cut
  • FIG. 1 It is the schematic of the head-up display apparatus which concerns on embodiment of this invention. It is sectional drawing which cut
  • FIG. 2 is an enlarged perspective view around a concave mirror with an upper case of the head-up display device shown in FIG. 1 removed. It is the top view which removed the upper case of the head-up display apparatus shown in FIG. (A) is a perspective view of the lower case which has arrange
  • HUD device head-up display device
  • the vertical and horizontal directions and the x, y, and z axes follow the arrows in each figure.
  • the HUD device 100 is mounted in, for example, a dashboard (not shown) of a vehicle 300 and emits display light L toward a windshield 200 that is a projection target member of the vehicle 300. .
  • the viewer U who is a driver receives the display light L reflected by the windshield 200 and visually recognizes the virtual image V seen through the windshield 200.
  • the HUD device 100 includes a housing 110, a display 120, a plane mirror 130, a concave mirror 140, a control board 150, an external light sensor 160, a light guide 170, A plane mirror holding member 180 that holds the plane mirror 130.
  • the HUD device 100 emits the display light L from the display device 120 to the plane mirror 130, reflects the display light L with the plane mirror 130, and then reflects the display light L with the concave mirror 140.
  • the display light L reflected by the concave mirror 140 passes through an opening 113 of an upper case 111 (described later) of the housing 110 and is reflected by the windshield 200.
  • the housing 110 is made of, for example, black synthetic resin.
  • the housing 110 includes a lower case 112 formed in a box shape opened upward, and an upper case 111 attached to the upper portion of the lower case 112 so as to close the lower case 112 from above.
  • 2 and 5 are sectional views and FIG. 4 is a bottom view.
  • the upper case 111 is provided with an opening 113 through which the display light L reflected by the concave mirror 140 passes.
  • a translucent cover 114 is disposed so as to cover the opening 113.
  • the cover 114 is, for example, laser welded to the opening 113.
  • the upper case 111 has a light shielding wall 115 between the opening 113 and the display 120.
  • the light shielding wall 115 prevents a phenomenon (washout) in which sunlight is incident on the display device 120 from the opening 113 and the virtual image V becomes difficult to see.
  • the lower case 112 accommodates a plane mirror 130, a concave mirror 140, and the like. Further, the lower case 112 is formed with an accommodating portion 112a. The display unit 120 and the heat radiating fins 117 are stored in the storage portion 112a.
  • the lower case 112 includes a control board mounting portion 116 that forms an upper plate of the housing portion 112a.
  • the control board placement unit 116 is located above the bottom surface 112 b of the lower case 112.
  • the control board mounting part 116 is provided for installing the control board 150 on the upper surface thereof.
  • the lower case 112 has partition walls 119a and 119b that hang down from the control board mounting portion 116 to the bottom surface 112b of the lower case 112 on the rear left side.
  • the control board mounting portion 116 and the partition walls 119a and 119b constitute a housing portion 112a that houses the display 120 and the heat radiation fin 117.
  • the partition wall 119 a is formed integrally with the wall surface around the projection lens 121 of the display device 120.
  • the partition wall 119 a is formed with a window portion 192 that allows the display light L emitted from the display device 120 to pass therethrough.
  • the lower case 112 further has a pair of bearings 118a and 118b for receiving the pair of shafts 141a and 141b of the concave mirror 140 in front.
  • the pair of bearings 118a and 118b are located away from each other so as to sandwich the concave mirror 140 in the longitudinal direction.
  • the pair of bearings 118a and 118b have first and second bearing holes 190a and 190b having a semi-cylindrical shape.
  • the first bearing hole 190a is formed with a large diameter portion receiver 191a at the center in the longitudinal direction.
  • the large-diameter portion receiver 191a has a semicircular shape along the circumferential direction of the first bearing hole 190a.
  • a large-diameter portion 145a of a shaft 141a described later is fitted into the large-diameter portion receiver 191a.
  • the lower case 112 has a plane mirror fixing part 112c on the lower right rear side thereof.
  • the plane mirror fixing portion 112 c has a recess 112 h that fixes the lower end portion of the plane mirror 130 on the bottom surface 112 b of the lower case 112.
  • the lower case 112 is fixed to the upper case 111 by the hooks 111a, 111b, 111c, and 111d of the upper case 111 shown in FIG. 4 being locked in the locking holes 112d, 112e, 112f, and 112g shown in FIG. Is done.
  • a housing 110 is formed by the lower case 112 and the upper case 111.
  • the display 120 modulates a backlight that emits light and light from the backlight in accordance with an image signal from the control unit, and generates a display light L that represents an image, which is a DMD (Digital Microscope).
  • the lower left display unit 120 behind the lower case 112 emits display light L indicating a display image to the lower right plane mirror 130 behind the lower case 112.
  • the display device 120 is fixed to the lower left storage portion 112 a behind the lower case 112, and the periphery of the display device 120 is covered with the radiation fins 117.
  • the heat radiating fins 117 are exposed to the outside of the HUD device 100 in order to radiate heat from the display unit 120.
  • the display light L is not limited to the DMD element, but may be a liquid crystal panel.
  • the plane mirror 130 is a substantially rectangular plate-shaped body as shown in FIG. As shown in FIG. 6, the plane mirror 130 reflects the display light L incident from the lower left display unit 120 behind the lower case 112 to the concave mirror 140 in front of the lower case 112.
  • the plane mirror 130 has a metal reflective film formed on one surface of a flat substrate made of synthetic resin, glass, or the like. The plane mirror 130 reflects the display light L from the display device 120 toward the concave mirror 140.
  • the concave mirror 140 has a substantially rectangular plate-like mirror surface that is curved along its longitudinal direction.
  • the concave mirror 140 reflects the display light L from the plane mirror 130 toward the windshield 200.
  • the concave mirror 140 has a metal reflecting film formed on one surface of a base material made of synthetic resin, glass or the like.
  • the plane mirror 130 and the concave mirror 140 constitute an optical system that guides the display light L from the display device 120 to the windshield 200 that constitutes the projection target member.
  • the concave mirror 140 includes a main body portion 140a having the mirror surface and shafts 141a and 141b located at both ends of the main body portion 140a.
  • Each of the shafts 141a and 141b has a rectangular cross section on the side close to the concave mirror 140 main body, and a tip end portion formed in a circular cross section.
  • the distal end portion of the shaft 141a is rotatably fitted in the first bearing hole 190a shown in FIG. 3, and the distal end portion of the shaft 141b is rotatably fitted in the second bearing hole 190b.
  • the shaft 141a includes a large-diameter portion 145a located at the center in the longitudinal direction.
  • the large diameter portion 145a fits into the large diameter portion receiver 191a of the first bearing hole 190a.
  • the shaft 141a and hence the concave mirror 140 are fixed along the thrust direction of the bearing 118a.
  • the shaft 141a has a rectangular plate-shaped lever portion 142 extending toward the bottom surface 112b of the lower case 112.
  • the shafts 141a and 141b are fixed to the bearing holes 190a and 190b so as to be slidable and rotatable by metal fittings 193a and 193b and screws (screws) 195a and 195b having a substantially Z-shaped section from above.
  • the motor 143 rotates the concave mirror 140 around its axes 141 a and 141 b via the advance / retreat mechanism 144 when the motor 143 is driven.
  • the motor 143 is fixed to the bottom surface 112 b on the front left side of the lower case 112.
  • the motor 143 includes an output shaft 143a that rotates when the motor 143 is driven.
  • the advance / retreat mechanism 144 converts the shaft rotation of the output shaft 143 a of the motor 143 into a linear motion and transmits the linear motion to the lever portion 142.
  • the concave mirror 140 adjusts the inclination angle of the concave mirror 140 by the power of the motor 143.
  • the motor 143 and the advance / retreat mechanism 144 constitute a rotational force transmission unit that transmits rotational force to the lever unit 142.
  • the control board 150 is a printed circuit board on which a control unit that controls the overall operation of the HUD device 100 is mounted.
  • the control unit includes a CPU (Central Processing Unit), a memory, and the like, executes a control program stored in the memory, controls the display 120, and controls the tilt angle of the concave mirror 140 through the motor 143. Further, the control unit controls the display device 120 to adjust the light emission luminance of the display light L according to the illuminance data ahead of the vehicle 300 acquired from the external light sensor 160. More specifically, the control unit increases the display gradation of the display image V as the illuminance indicated by the illuminance data from the external light sensor 160 increases, that is, as the illuminance in front of the vehicle 300 increases.
  • the display 120 controls the light emission luminance of the display light L.
  • the control board 150 is provided between the top surface (front wall portion) 111 f of the upper case 111 and the upper surface 122 of the display device 120.
  • an external light sensor 160 is mounted on the control board 150.
  • the external light sensor 160 is located on the light shielding wall 115 side of the upper surface of the control board 150.
  • the external light sensor 160 is a light detection element such as a phototransistor. External light sensor 160 detects the illuminance in front of vehicle 300.
  • the external light sensor 160 is electrically connected to the control board 150 and outputs the detected illuminance data to the control unit of the control board 150.
  • the light guide 170 is made of a light-transmitting resin such as PMMA (PolyMethylMethacrylate), and guides light in front of the vehicle 300 to the external light sensor 160.
  • the light guide 170 is disposed above the external light sensor 160.
  • the light guide 170 has a shape in which a quadrangular columnar portion 170a and a triangular columnar portion 170b located at the tip of the quadrangular columnar portion 170a are connected.
  • the light guide 170 includes a light receiving unit 171 that receives external light, a light reflecting unit 172 that reflects light that is received by the light receiving unit 171 and passes through the light guide 170 toward the light emitting unit 173, and a light guide.
  • a light emitting unit 173 that emits the light guided by 170.
  • the light receiving portion 171 is located on the bottom surface of the quadrangular columnar portion 170 a of the light guide body 170.
  • the light receiving portion 171 is inserted into the through hole 111 e of the light shielding wall 115 of the upper case 111 inside the cover 114.
  • the light reflecting portion 172 is located on one inclined surface of the triangular prism portion 170b.
  • the light emitting portion 173 is located on the other inclined surface of the triangular prism portion 170b.
  • the light emitting unit 173 faces the outside light sensor 160.
  • the plane mirror holding member 180 is made of, for example, black synthetic resin, and is formed in a thin plate shape having a substantially L-shaped cross section when viewed from the side, as shown in FIG.
  • the plane mirror holding member 180 extends from the right end of the blind portion 181 toward the bottom surface 112b of the lower case 112 and holds the plane mirror 130.
  • the blind portion 181 is disposed between the control board 150 and the display 120.
  • a control board 150 is placed on the upper part of the blind part 181.
  • the blind part 181 partitions the space where the control board 150 is located and the space through which the light emitted from the display 120 passes. As shown in FIGS.
  • the control board 150 is fixed to the blind portion 181 and the lower case 112 with screws 195d, 195e, 195f from above.
  • the blind part 181 is fixed to the lower case 112 from above with screws 195d, 195e, 195f, 195g, 195h, 195i, and 195j.
  • the screw 195 is a fastening tool and has a head portion and a screw portion.
  • the screw 195 is a male screw having a groove along the spiral winding in the same direction in the screw portion.
  • the screws 195a to 195k are arranged at positions where the head is exposed to the outside when the upper case 111 is removed, and extend in the same direction.
  • the blind part 181 can remove stray light on the back surface of the control board 150.
  • the blind part 181 is provided with a strip-shaped insertion hole 183 at the right end thereof. As shown in FIGS. 5 and 9B, the plane mirror 130 is held at the upper and lower ends by the insertion hole 183 and the plane mirror fixing portion 112 c provided at the bottom 112 b of the lower case 112, and the plane mirror holding portion 182 has both side ends. And is held back.
  • the control board 150 since the control board 150 is provided inside the housing 110, it is possible to reduce the size of the HUD device. Further, since the external light sensor 160 is mounted on the control board 150, an external light sensor holder and a substrate for the external light sensor are unnecessary. Therefore, wiring between the external light sensor substrate and the control substrate 150 is also unnecessary. As a result, the wiring work between the external light sensor board and the control board 150 is eliminated, so that the connection structure between the external light sensor and the control board can be easily assembled while reducing the number of components. . Further, since the place where the control board 150 is attached is a dead space in the conventional HUD apparatus, the HUD apparatus 100 can reduce the volume of the space where the conventional control board is installed.
  • the HUD device 100 since the HUD device 100 includes the light guide 170 that guides external light to the external light sensor 160, the external light sensor 160 may not be exposed to the outside of the housing 110, and the external light sensor holder unnecessary. Further, the arrangement of the external light sensor 160 is not limited to the vicinity of the outer periphery of the housing 110 by adjusting the length of the light guide 170 and the like. Therefore, the arrangement of the control board 150 on which the external light sensor 160 is mounted is not limited.
  • the HUD device 100 includes a light shielding wall 115, and the light guide 170 guides external light to the external light sensor 160 through a through hole 111 e formed in the light shielding wall 115. For this reason, it is possible to prevent the display light L from becoming difficult to see due to stray light caused by sunlight incident from the opening 113 or the through hole 111e. In addition, when the external light sensor 160 is located at an end portion close to the light shielding wall 115 on the upper surface of the control board 150, the possibility that external light may enter the display device 120 can be further reduced.
  • the blind part 181 of the plane mirror holding member 180 is disposed below the control board 150, so that the HUD device 100 can remove stray light by the blind part 181. .
  • maintenance part 182 are one member, a number of parts can be reduced and an assembly becomes easy.
  • the concave mirror 140 can be installed simply by placing the shafts 141a and 141b of the concave mirror 140 on the bearings 118a and 118b from above. Can do.
  • the shaft 141a includes a large diameter portion 145a
  • the first bearing hole 190a includes a large diameter portion receiver 191a into which the large diameter portion 145a is fitted, so that the concave mirror 140 is displaced in the thrust direction.
  • the concave mirror 140 can be easily attached to the bearings 118a and 118b of the lower case 112.
  • the motor 143 and the advancing / retracting mechanism 144 which are rotational force transmission parts, are provided on the bottom surface 112b of the lower case 112, and the lever part 142 extends toward the bottom surface 112b, so that the mechanism for rotating the concave mirror 140 can be easily assembled. Become.
  • the indicator 120 and the heat radiation fin 117 are fixed to the housing portion 112a of the lower case 112.
  • the motor 143 is fixed in the lower case 112, and the shafts 141a and 141b of the concave mirror 140 are fitted into the bearings 118a and 118b, respectively. And it fixes to bearing 118a, 118b with metal fittings 193a, 193b.
  • the plane mirror holding member 180 is fitted into the lower case 112 so that the blind part 181 is positioned on the upper surface of the control board mounting part 116. Then, the control board 150 is installed on the upper surface of the blind portion 181.
  • the plane mirror holding member 180 is formed in a thin plate shape having a substantially L-shaped cross section in a side view, and the plane mirror 130 is held at the upper and lower ends by the insertion hole 183 and the plane mirror fixing portion 112c. It was the structure which hold
  • the shape of the plane mirror holding member 180 is not limited as long as the plane mirror 130 can be held and the stray light can be removed by the blind portion 181. If the blind part 181 and the plane mirror holding part 182 are a single member, the number of parts can be reduced and assembly is facilitated, but separate members may be used.
  • the control unit of the control board 150 adjusts the light emission luminance of the display light L according to the illuminance data from the external light sensor 160, but the control board 150 does not mount the external light sensor 160.
  • the viewer U may adjust the light emission luminance of the display light L by himself / herself.
  • the control unit may adjust the light emission luminance of the display light L according to the illuminance data from the external light sensor 160, and the viewer U may adjust the light emission luminance of the display light L by himself / herself.
  • the projection member is a windshield, but the projection member may be a combiner or the like.
  • the head-up display device is mounted on a vehicle, but is not limited to being mounted on a vehicle, and may be mounted on an arbitrary moving body such as an airplane or a ship.
  • the concave mirror 140 has the lever portion 142, but the concave mirror 140 does not have the lever portion, and other components that can substitute for the function of the lever portion may be separately arranged. .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Instrument Panels (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

La présente invention concerne un petit dispositif d'affichage tête haute. Le dispositif d'affichage tête haute (100) est pourvu : d'un boîtier inférieur (112) ; d'un boîtier supérieur (111) qui est adapté au boîtier inférieur (112) de façon à former un boîtier (110) conjointement avec le boîtier inférieur (112) ; d'une unité d'affichage (120) qui est fixée au boîtier inférieur (112) ; de systèmes optiques (130, 140) qui sont contenus dans le boîtier inférieur (112) et guident la lumière émise depuis l'unité d'affichage (120) vers le pare-brise ; et d'une carte de commande (150) qui commande l'unité d'affichage (120). La carte de commande (150) est disposée entre la surface supérieure du boîtier supérieur (111) et la surface supérieure de l'unité d'affichage (120).
PCT/JP2018/001906 2017-01-26 2018-01-23 Dispositif d'affichage tête haute WO2018139430A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018564571A JPWO2018139430A1 (ja) 2017-01-26 2018-01-23 ヘッドアップディスプレイ装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-012306 2017-01-26
JP2017012306 2017-01-26

Publications (1)

Publication Number Publication Date
WO2018139430A1 true WO2018139430A1 (fr) 2018-08-02

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PCT/JP2018/001906 WO2018139430A1 (fr) 2017-01-26 2018-01-23 Dispositif d'affichage tête haute

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JP (3) JP7013830B2 (fr)
WO (1) WO2018139430A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020090464A1 (fr) * 2018-10-29 2020-05-07 日本精機株式会社 Affichage tête haute
JP7172644B2 (ja) * 2019-01-23 2022-11-16 日本精機株式会社 ヘッドアップディスプレイ装置
WO2020196161A1 (fr) * 2019-03-25 2020-10-01 日本精機株式会社 Dispositif d'affichage tête haute

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013134480A (ja) * 2011-12-27 2013-07-08 Nippon Seiki Co Ltd ヘッドアップディスプレイ装置
JP2014215459A (ja) * 2013-04-25 2014-11-17 日本精機株式会社 ヘッドアップディスプレイ装置
JP2015064396A (ja) * 2013-09-24 2015-04-09 日本精機株式会社 車両用表示装置
JP2016206583A (ja) * 2015-04-28 2016-12-08 日本精機株式会社 ヘッドアップディスプレイ装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3060648B2 (ja) * 1991-09-30 2000-07-10 株式会社島津製作所 ディスプレイ装置
US6574048B2 (en) 2001-02-28 2003-06-03 Delphi Technologies, Inc. Method and apparatus for attenuating solar flux in a head-up display
JP2004322798A (ja) 2003-04-24 2004-11-18 Nippon Seiki Co Ltd 表示装置
JP6020907B2 (ja) * 2012-11-26 2016-11-02 日本精機株式会社 表示装置
JP2014194504A (ja) 2013-03-29 2014-10-09 Funai Electric Co Ltd プロジェクタ及びヘッドアップディスプレイ装置
JP6287017B2 (ja) * 2013-10-04 2018-03-07 日本精機株式会社 ヘッドアップディスプレイ装置
JP2016045388A (ja) * 2014-08-25 2016-04-04 日本精機株式会社 ヘッドアップディスプレイ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013134480A (ja) * 2011-12-27 2013-07-08 Nippon Seiki Co Ltd ヘッドアップディスプレイ装置
JP2014215459A (ja) * 2013-04-25 2014-11-17 日本精機株式会社 ヘッドアップディスプレイ装置
JP2015064396A (ja) * 2013-09-24 2015-04-09 日本精機株式会社 車両用表示装置
JP2016206583A (ja) * 2015-04-28 2016-12-08 日本精機株式会社 ヘッドアップディスプレイ装置

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Publication number Publication date
JP7100818B2 (ja) 2022-07-14
JPWO2018139430A1 (ja) 2019-11-14
JP2018120209A (ja) 2018-08-02
JP2021185428A (ja) 2021-12-09
JP7013830B2 (ja) 2022-02-01

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