WO2023153197A1 - Unité de miroir, dispositif d'affichage d'image virtuelle et procédé de production d'unité de miroir - Google Patents

Unité de miroir, dispositif d'affichage d'image virtuelle et procédé de production d'unité de miroir Download PDF

Info

Publication number
WO2023153197A1
WO2023153197A1 PCT/JP2023/002105 JP2023002105W WO2023153197A1 WO 2023153197 A1 WO2023153197 A1 WO 2023153197A1 JP 2023002105 W JP2023002105 W JP 2023002105W WO 2023153197 A1 WO2023153197 A1 WO 2023153197A1
Authority
WO
WIPO (PCT)
Prior art keywords
holder
adhesive
mirror
face
substrate
Prior art date
Application number
PCT/JP2023/002105
Other languages
English (en)
Japanese (ja)
Inventor
真 佐藤
Original Assignee
株式会社デンソー
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 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2023153197A1 publication Critical patent/WO2023153197A1/fr

Links

Images

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—Arrangement of adaptations of instruments
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/10—Mirrors with curved faces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors

Definitions

  • the disclosure described in this specification relates to a mirror unit, a virtual image display device, and a method of manufacturing the mirror unit.
  • the reflecting mirror is adhered and held to the holder via a moisture-curable adhesive.
  • the end of the holder is provided inside the end of the reflecting mirror. Since the end of the holder is provided inside the end of the reflecting mirror, the size of the holder is reduced. As the size of the holder is reduced, the support strength of the holder for the reflecting mirror is reduced. Moreover, since the adhesive is moisture-curing, it has been difficult to shorten the manufacturing time.
  • An object of the present disclosure is to provide a mirror unit, a virtual image display device, and a method of manufacturing the mirror unit that can reduce the size of the holder, suppress a decrease in the support strength of the holder for the reflecting mirror, and shorten the manufacturing time. That is.
  • a mirror unit includes: a mirror body having a plate-shaped base material having a mirror surface on the surface and capable of transmitting ultraviolet rays incident from the end face; an ultraviolet curable adhesive that is cured by ultraviolet light; a plate-shaped holder that holds the specular body from the back side of the base material via an adhesive, A holder end face provided at the end of the holder is provided inside the substrate end face, which is the end face of the substrate, in the orthogonal direction perpendicular to the direction in which the mirror body and the holder are arranged side by side.
  • the end face of the holder is provided inside the end face of the substrate, the size of the holder is reduced. Even if the holder is miniaturized, the base material can transmit the ultraviolet rays emitted from the end face of the base material, so that the ultraviolet rays transmitted through the base material are widely applied to the adhesive in the orthogonal direction.
  • the holder and specular body can be widely bonded in the orthogonal direction. Therefore, even if the holder is downsized, it is possible to suppress a decrease in the support strength of the holder for the specular body.
  • the adhesive has ultraviolet curing properties, the curing time is short, and the manufacturing time can be shortened. According to this, it is possible to reduce the size of the holder, suppress a decrease in the support strength of the holder for the specular body, and shorten the manufacturing time.
  • a virtual image display device includes: a display device that emits image display light; a reflecting device that reflects the display light and projects it onto a projection member positioned in front of the viewer; A control unit that controls the display device and the reflection device, A virtual image display device for superimposing and displaying an image to a viewer as a virtual image in front of a projection member,
  • the reflector is a mirror body having a plate-shaped base material having a mirror surface on the surface and capable of transmitting ultraviolet rays incident from the end face; an ultraviolet curable adhesive that is cured by ultraviolet light; a plate-shaped holder that holds the specular body from the back side of the base material via an adhesive, A holder end face provided at the end of the holder is provided inside the substrate end face, which is the end face of the substrate, in the orthogonal direction perpendicular to the direction in which the mirror body and the holder are arranged side by side.
  • the virtual image display device is equipped with a mirror unit. For this reason, it is possible to reduce the size of the holder, suppress a decrease in the support strength of the holder for the mirror surface, and shorten the manufacturing time.
  • a method for manufacturing a mirror unit includes: A specular body having a mirror surface on the surface and having a plate-shaped base material that can transmit ultraviolet rays incident from the end face, an ultraviolet-curing adhesive that is cured by ultraviolet rays, and a plate-shaped holder that holds the specular body and a method for manufacturing a mirror unit, Apply adhesive to one side of the holder, mounting the specular body on the adhesive so that the end surface of the holder provided at the end of the holder is provided inside the end surface of the base material, which is the end surface of the base material; By irradiating the end surface of the base material with ultraviolet rays in the orthogonal direction perpendicular to the direction in which the mirror body and the holder are arranged, the UV light transmitted through the base material bonds the mirror body and the holder via an adhesive. .
  • FIG. 3 is a cross-sectional view of the mirror unit taken along line III-III shown in FIG. 2;
  • FIG. 3 is a cross-sectional view of the mirror unit taken along line IV-IV shown in FIG. 2;
  • FIG. It is a side view explaining the manufacturing method of a mirror unit. It is a side view explaining the manufacturing method of a mirror unit. It is a side view explaining the manufacturing method of a mirror unit. It is a side view explaining the manufacturing method of a mirror unit. It is a side view explaining the manufacturing method of a mirror unit. It is a side view explaining the manufacturing method of a mirror unit. It is a side view explaining the manufacturing method of a mirror unit.
  • FIG. 1 A first embodiment of the present disclosure will be described with reference to FIGS. 1 to 9.
  • the virtual image display device 100 is mounted on a vehicle such as an automobile.
  • the virtual image display device 100 is called a head-up display device.
  • the virtual image display device 100 causes the display light of the image emitted from the display device 110 to enter the projection position 10a of the projection member positioned in front of the viewer.
  • the viewer is the driver
  • the projection member is the windshield 10 on the front side of the vehicle.
  • the virtual image display device 100 superimposes and displays an image as a virtual image 20 on the foreground on the vehicle front extension line of the line connecting the driver and the projection position 10a. This allows the driver to view the virtual image 20 through the eyebox 30 .
  • the eyebox 30 is an area in which the driver can visually recognize the virtual image 20, and is like an observation window that is imaginary in front of the driver's eyes.
  • the eyebox 30 is, for example, rectangular.
  • the virtual image display device 100 includes a display device 110, a reflection device 120, a control device 140, etc., as shown in FIG.
  • the display device 110, the reflection device 120, and the control device 140, which are the main components of the virtual image display device 100, are arranged inside the instrument panel 40, which extends from the lower end surface of the windshield 10 to the rear of the passenger compartment and further downward. It is
  • the upper surface of the instrument panel 40 is provided with an opening 40a through which the display light from the reflecting device 120 passes.
  • a light-transmitting dustproof cover is provided over the opening 40a. Details of each configuration of the virtual image display device 100 will be described below.
  • the display device 110 emits display light representing an image.
  • the display device 110 has a light source, a lens, a display, and the like.
  • the light source unit emits light to the display.
  • the light source unit has its light emission state controlled by the control device 140 .
  • the lens is a member that converges the light from the light source toward the display, and is arranged on the side from which the light from the light source is emitted.
  • the display is transmissively illuminated by light from the light source unit and emits display light representing an image. The display is driven and controlled by the control device 140 .
  • the display emits display light representing an image toward the reflecting device 120 by the light emitted from the light source.
  • the image formed by the display is, for example, a guide image in a vehicle navigation system, a meter image showing vehicle information while the vehicle is running, and the like.
  • the reflecting device 120 is a device that reflects display light, and as shown in FIG. The mechanical configuration of the reflecting device 120 will be described below.
  • the mirror body 121 serves as a reflecting portion that reflects the display light from the display through the opening 40a of the instrument panel 40 to the projection position 10a of the windshield 10.
  • the specular body 121 is a specular body in which a base material surface 125a of a base material 125 is provided with a mirror surface 121a.
  • the mirror surface 121a will be explained later.
  • the base material 125 has a substantially rectangular plate shape. Note that the longitudinal direction of the base material 125 coincides with the lateral direction of the vehicle. The lateral direction of the base material 125 coincides with the direction perpendicular to the longitudinal direction of the base material 125 . The longitudinal direction of the base material 125 corresponds to the extension direction. The transverse direction of the base material 125 corresponds to the orthogonal direction. Note that the longitudinal direction is indicated as LD in the drawings after FIG. The short direction is shown as SD.
  • the substrate 125 has a substrate front surface 125a and a substrate rear surface 125b along its longitudinal direction and its lateral direction.
  • the substrate front surface 125a and the substrate rear surface 125b are spaced apart in the height direction orthogonal to the longitudinal direction and the lateral direction.
  • the height direction is shown as HD. Note that the height direction corresponds to the alignment direction.
  • the substrate surface 125a corresponds to the surface.
  • the substrate rear surface 125b corresponds to the rear surface.
  • the base material 125 has a first base material end surface 125c that is spaced apart in the lateral direction and a second base material end surface 125d that is spaced apart in the longitudinal direction and connects the base material front surface 125a and the base material back surface 125b.
  • the base material 125 is capable of transmitting ultraviolet rays incident thereon from the first base material end surface 125c and the second base material end surface 125d.
  • the first substrate end face 125c corresponds to the substrate end face.
  • the material of the base material 125 examples include soda-lime glass. However, the material of the base material 125 is not limited to soda-lime glass. Assuming that the refractive index of the air phase is 1.0, the substrate 125 may be made of a material having a refractive index of about 1.49 to 1.52. This is because it is considered that ultraviolet rays can be transmitted through a material having a refractive index of about 1.49 to 1.52.
  • the mirror surface 121a is formed by evaporating a metal such as aluminum or silver on the base material surface 125a of the base material 125 .
  • a mirror surface 121 a is formed on the surface of the mirror body 121 facing the display device 110 . That is, the mirror surface 121a serves as a reflecting surface.
  • the mirror body 121 is a concave mirror that is recessed on the side opposite to the mirror surface 121a, that is, on the side opposite to the reflecting surface. Thereby, the specular body 121 magnifies the image toward the projection position 10a.
  • the holder 122 is a substantially rectangular plate-like member that holds the specular body 121 .
  • the holder 122 is made of, for example, a resin material.
  • the holder 122 is provided on the back surface 125b side of the mirror body 121 .
  • the mirror body 121 and the holder 122 are arranged in the height direction.
  • the holder 122 has a holder front surface 122a and a holder rear surface 122b along its longitudinal direction and its lateral direction.
  • the longitudinal direction of the base material 125 and the longitudinal direction of the holder 122 match.
  • the short direction of the base material 125 and the short direction of the holder 122 match. Therefore, in this specification, the longitudinal directions of the mirror body 121 and the holder 122 are simply referred to as longitudinal directions.
  • the lateral direction of each of the mirror body 121 and the holder 122 is simply referred to as the lateral direction.
  • 122a corresponds to one surface.
  • the holder surface 122a faces the substrate back surface 125b in the height direction.
  • the holder 122 includes a first holder end face 122c spaced apart in the lateral direction and a second holder end face 122d spaced in the longitudinal direction and connecting the holder front face 122a and the holder back face 122b. Note that the first holder end face 122c corresponds to the holder end face.
  • the shaft portion 123 is formed integrally with the holder 122 at both ends in the longitudinal direction.
  • Axial portion 123 extends in the longitudinal direction.
  • the shaft portion 123 is rotatably supported by a support portion (not shown).
  • the holder 122 is rotatable around the shaft portion 123 . This makes it possible to adjust the angle of reflection with respect to the display light.
  • the motor unit 124 is a driving unit that drives the holder 122 and adjusts the angle of reflection with respect to the display light.
  • the motor section 124 is, for example, a synchronous motor that operates in synchronization with input pulse power, and is connected to the shaft section 123 .
  • the rotation of the motor section 124 is controlled by the control device 140 . By rotating the motor portion 124 in the forward direction or the reverse direction, the holder 122 is rotated about the shaft portion 123 with respect to the support body.
  • the control device 140 controls the display device 110 and the reflection device 120 . Specifically, the control device 140 controls the formation of an image on the display device, the operation control of the motor unit 124, and the like. The control device 140 forms an image to be displayed on the display when the ignition switch of the vehicle is turned on. Then, as shown in FIG. 1, the display emits display light of an image to the specular body 121 by the light emitted from the light source section. The specular body 121 reflects the display light emitted from the display to the projection position 10a of the windshield 10 through the opening 40a.
  • the display light reflected at the projection position 10a is superimposed and displayed as a virtual image 20 on a vehicle forward extension line of a line connecting the driver and the projection position 10a, and is visually recognized by the driver through an eyebox 30.
  • the control device 140 corresponds to a control unit.
  • a mirror unit 126 is a mechanical component included in the reflector 120 described above.
  • the mirror unit 126 includes an adhesive 51 in addition to the mirror body 121, the holder 122, and the shaft portion 123 described above.
  • the adhesive 51 is UV curable and hardens in a short period of time, for example, several seconds, when irradiated with UV rays.
  • the refractive index of the adhesive 51 is desirably about 1.5, which allows transmission of ultraviolet rays.
  • the adhesive 51 is provided between the mirror body 121 and the holder 122 .
  • the holder 122 is provided with a convex portion 122e that protrudes from the holder surface 122a toward the substrate rear surface 125b.
  • the adhesive 51 is provided between the convex portion 122e and the back surface 125b of the substrate. From another point of view, the adhesive 51 is provided on the holder 122 .
  • the adhesive 51 is provided on the protrusion 122 e of the holder 122 .
  • the holder 122 and the mirror body 121 are adhered via the adhesive 51 .
  • the adhesive 51 is provided at the four corners of the holder 122 so as to surround the center of gravity 122f of the holder 122. As shown in FIG.
  • the holder 122 and the mirror body 121 are arranged in the height direction. As shown in FIG. 4, the holder 122 is included in the projected area in the height direction of the mirror body 121 in the lateral direction.
  • the first holder end face 122c is provided inside the first substrate end face 125c in the lateral direction. In other words, the first holder end face 122c is provided closer to the center of gravity 122f in the lateral direction than the first base material end face 125c.
  • the bonding end face 51c of the end face of the adhesive 51 in the lateral direction is provided inside the first holder end face 122c in the lateral direction.
  • the bonding end surface 51c is provided inside the first substrate end surface 125c in the lateral direction.
  • the bonding end face 51c is provided closer to the center of gravity 122f in the lateral direction than the first holder end face 122c.
  • the bonding end surface 51c is provided closer to the center of gravity 122f than the first substrate end surface 125c in the lateral direction.
  • FIGS. 9 is an enlarged view of a part of FIG. A solid line passing through the inside of the base material 125 shown in FIG. 9 indicates ultraviolet rays.
  • the specular body 121, the holder 122, and the adhesive 51 are prepared. After preparation, the mirror unit 126 is manufactured. As shown in FIG. 5, the holder 122 is mounted on a jig (not shown). As shown in FIG. 6, the adhesive 51 before ultraviolet irradiation is applied to the projections 122e of the holder 122. Then, as shown in FIG. As shown in FIG. 7, the specular body 121 is mounted on the adhesive 51 so that the first holder end face 122c is provided inside the first substrate end face 125c in the lateral direction.
  • the manufacturing method of this step is not limited to this.
  • the mirror body 121 is mounted on a jig (not shown)
  • the adhesive 51 is applied to the back surface 125b of the base material of the mirror body 121 before ultraviolet irradiation
  • the first holder end surface 122c is shorter than the first base material end surface 125c.
  • the holder 122 may be mounted on the adhesive 51 so that it is oriented inward.
  • the adhesive 51 and the end face 125c of the first base material are irradiated with ultraviolet rays from the short direction.
  • the shaft portions 123 extending in the longitudinal direction are provided at both ends of the holder 122 in the longitudinal direction. Therefore, when ultraviolet rays are applied to the adhesive 51 from the ends of the holder 122 in the longitudinal direction, the ultraviolet rays are easily blocked by the shaft portion 123 . For this reason, in this embodiment, the adhesive 51 and the end surface 125c of the first base material are positively irradiated with ultraviolet rays from the lateral direction.
  • the base material 125 of the mirror body 121 is capable of transmitting ultraviolet rays incident thereon from the first base material end surface 125c. Therefore, when ultraviolet rays are irradiated toward the first substrate end surface 125 c in the lateral direction, the ultraviolet rays pass through the inside of the substrate 125 . As shown in FIG. 9, the ultraviolet light travels toward the adhesive 51 while being reflected inside the base material 125 .
  • the adhesive 51 is irradiated with ultraviolet rays, which are included in the ultraviolet rays that have penetrated into the base material 125 and travel from the base surface 125a toward the base back surface 125b.
  • the adhesive 51 it is possible to irradiate the adhesive 51 with ultraviolet rays over a wide width in the lateral direction. In other words, it is possible to irradiate the adhesive 51 with ultraviolet rays to the inner side in the lateral direction.
  • the reflectance of the base material 125 may be such that the ultraviolet rays can reach the adhesive 51 .
  • the base material 125 is capable of transmitting ultraviolet rays incident from the first base material end surface 125c into the inside of the base material 125 .
  • An adhesive 51 and a holder 122 are provided on the back surface 125 b side of the base material 125 .
  • a mirror body 121 is held by a holder 122 via an adhesive 51 .
  • the adhesive 51 has ultraviolet curing properties.
  • the first holder end face 122c is provided inside the first substrate end face 125c in the lateral direction. According to this, the physical size of the holder 122 is reduced.
  • the base material 125 can transmit the ultraviolet rays irradiated from the first base material end surface 125c.
  • the agent 51 is irradiated.
  • the specular body 121 and the holder 122 can be adhered to the inner side in the lateral direction with the adhesive 51 interposed therebetween. It is possible to suppress unevenness in adhesion quality between the inner side and the outer side of the adhesive 51 in the lateral direction. Even if the holder 122 is miniaturized, it is possible to suppress a decrease in the support strength of the holder 122 for the specular body 121 .
  • the adhesive 51 has ultraviolet curing properties, the curing time is short, and the manufacturing time can be shortened. According to this, it is possible to reduce the size of the holder 122, suppress a decrease in the support strength of the holder 122 to the mirror body 121, and shorten the manufacturing time. It also leads to cost reduction.
  • the adhesive 51 when a resin or the like that does not transmit ultraviolet rays is applied to the base material 125 , the adhesive 51 is irradiated with ultraviolet rays from a small gap between the mirror body 121 and the holder 122 . In that case, the adhesive 51 is not irradiated with sufficient ultraviolet rays, and the curing of the adhesive 51 takes a very long time.
  • the adhesive 51 hardens from the outside in the widthwise direction, the adhesion quality may be uneven between the outside and the inside in the widthwise direction.
  • a resin or the like that does not transmit ultraviolet rays is applied to the substrate 125, it is difficult to provide the first holder end surface 122c inside the first substrate end surface 125c in the lateral direction. It is desirable that the distance between the first holder end surface 122c and the first substrate end surface 125c is short in the lateral direction, and that the adhesive 51 is arranged as far outward as possible in the lateral direction.
  • the size of the holder 122 tends to increase, and when the holder 122 is rotated around the shaft portion 123, the rotational trajectory of the holder 122 is large, and the mountability inside the instrument panel 40 deteriorates.
  • the adhesive 51 is provided at the four corners of the holder 122 so as to surround the center of gravity 122f. According to this, the holder 122 can stably hold the mirror body 121 .
  • the longitudinally extending shaft portion 123 is integrally connected to the longitudinal end of the holder 122 .
  • the holder 122 is rotatable around the shaft portion 123 .
  • the first holder end face 122c is provided inside the first substrate end face 125c in the lateral direction. According to this, even if the mirror unit 126 is rotated about the shaft portion 123 to the extent that the angle of the reflected light can be adjusted, the rotational trajectory of the holder 122 is small, and the holder 122 is located inside the instrument panel 40. It is difficult to come into contact with electrical equipment, panels, etc. Mountability of the mirror unit 126 inside the instrument panel 40 is improved.
  • the first holder end face 122c is provided inward of the first substrate end face 125c in the lateral direction, and the second holder end face 122d is located longitudinally inward of the second substrate end face 125d. may be provided on the inside. According to this, the size of the holder 122 can be further reduced. In addition, the mountability of the mirror unit 126 inside the instrument panel 40 is further improved.
  • the length L1 in the longitudinal direction of some of the adhesives 51 provided so as to surround the center of gravity 122f is longer than the length L2 in the lateral direction. good too.
  • the adhesive 51 can be easily irradiated with ultraviolet light widely in the longitudinal direction, and the width of the adhesive 51 in the lateral direction is narrow. It's becoming
  • the length L1 in the longitudinal direction of all adhesives 51 provided to surround the center of gravity 122f may be longer than the length L1 in the lateral direction.
  • the specular body 121 and the holder 122 can be adhered more efficiently via the adhesive 51 .
  • An adhesive 51 may be provided between the mirror body 121 and the holder 122 so as to cover the center of gravity 122f as shown in FIG.
  • the holder 122 may have a shape other than a substantially rectangular shape. Even in that case, it is desirable that the adhesive 51 is provided between the mirror body 121 and the holder 122 so as to surround or cover the center of gravity 122f.

Abstract

L'invention concerne une unité de miroir comprenant : un corps de miroir (121) comprenant un substrat en forme de plaque (125) qui a un miroir (121a) sur une surface avant (125a) de celui-ci et est capable de transmettre des rayons ultraviolets incidents à partir d'une surface de bord (125c) de celui-ci ; un adhésif (51) qui a une aptitude au durcissement par UV, c'est-à-dire est durci par des rayons ultraviolets ; et un support en forme de plaque (122) qui maintient le corps de miroir à partir du côté d'une surface arrière (125b) du substrat par l'intermédiaire de l'adhésif, une surface de bord de support (122c) au niveau du bord du support étant disposée vers l'intérieur de la surface de bord de substrat (125c), qui est une surface de bord du substrat, par rapport à une direction orthogonale à la direction le long de laquelle le corps de miroir et le support sont agencés.
PCT/JP2023/002105 2022-02-14 2023-01-24 Unité de miroir, dispositif d'affichage d'image virtuelle et procédé de production d'unité de miroir WO2023153197A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022020690A JP2023117888A (ja) 2022-02-14 2022-02-14 ミラーユニット、虚像表示装置、およびミラーユニットの製造方法
JP2022-020690 2022-02-14

Publications (1)

Publication Number Publication Date
WO2023153197A1 true WO2023153197A1 (fr) 2023-08-17

Family

ID=87564125

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/002105 WO2023153197A1 (fr) 2022-02-14 2023-01-24 Unité de miroir, dispositif d'affichage d'image virtuelle et procédé de production d'unité de miroir

Country Status (2)

Country Link
JP (1) JP2023117888A (fr)
WO (1) WO2023153197A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02207206A (ja) * 1989-02-07 1990-08-16 Matsushita Electric Ind Co Ltd 光学部品及びその製造方法
JPH0572456A (ja) * 1991-04-10 1993-03-26 Ricoh Co Ltd ルーフミラーレンズアレイ
JP2009272384A (ja) * 2008-05-01 2009-11-19 Mejiro Precision:Kk 照射方法、配線基板の製造方法及び製造装置
JP2016218163A (ja) * 2015-05-18 2016-12-22 日本精機株式会社 ミラーユニットおよび表示装置
JP2018055038A (ja) * 2016-09-30 2018-04-05 日本精機株式会社 ヘッドアップディスプレイ装置のミラーユニット
JP2020197602A (ja) * 2019-05-31 2020-12-10 ミネベアミツミ株式会社 凹面鏡

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02207206A (ja) * 1989-02-07 1990-08-16 Matsushita Electric Ind Co Ltd 光学部品及びその製造方法
JPH0572456A (ja) * 1991-04-10 1993-03-26 Ricoh Co Ltd ルーフミラーレンズアレイ
JP2009272384A (ja) * 2008-05-01 2009-11-19 Mejiro Precision:Kk 照射方法、配線基板の製造方法及び製造装置
JP2016218163A (ja) * 2015-05-18 2016-12-22 日本精機株式会社 ミラーユニットおよび表示装置
JP2018055038A (ja) * 2016-09-30 2018-04-05 日本精機株式会社 ヘッドアップディスプレイ装置のミラーユニット
JP2020197602A (ja) * 2019-05-31 2020-12-10 ミネベアミツミ株式会社 凹面鏡

Also Published As

Publication number Publication date
JP2023117888A (ja) 2023-08-24

Similar Documents

Publication Publication Date Title
KR101820610B1 (ko) 차량용 헤드업 디스플레이 장치
JP6536164B2 (ja) ヘッドアップディスプレイ装置
US10131228B2 (en) Head-up display apparatus
JP3141081B2 (ja) 車両用表示装置
US8885260B2 (en) Head-up display device
JP5741251B2 (ja) 虚像表示装置
US8724225B2 (en) Optical system for use in a vehicle head-up display
WO2011115251A1 (fr) Dispositif d'affichage tête haute
JP2003039981A (ja) 車載用ヘッドアップディスプレイ装置
WO2023153197A1 (fr) Unité de miroir, dispositif d'affichage d'image virtuelle et procédé de production d'unité de miroir
WO2020059206A1 (fr) Affichage tête haute
US20190278053A1 (en) Mirror unit
US11372242B2 (en) Head-up display for a motor vehicle
JP6787010B2 (ja) ヘッドアップディスプレイ装置のミラーユニット
US10816797B2 (en) Head-up display for a motor vehicle
JP7155700B2 (ja) 表示装置
WO2018062216A1 (fr) Appareil d'affichage à tête haute pour véhicule
JP3788809B2 (ja) 車両用表示装置
KR20100044526A (ko) 차량용 헤드 업 디스플레이 장치
JP6733151B2 (ja) 表示装置
JP2021014153A (ja) ヘッドアップディスプレイ
CN213042067U (zh) 一种抬头显示器显示屏老化保护结构
JP2024053590A (ja) ミラー及びヘッドアップディスプレイ装置
JP2022170411A (ja) 鏡面体支持構造および虚像表示装置
CN112955342B (zh) 平视显示器

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: 23752665

Country of ref document: EP

Kind code of ref document: A1