WO2015145934A1 - 虚像表示装置、ヘッドアップディスプレイシステム及び乗物 - Google Patents
虚像表示装置、ヘッドアップディスプレイシステム及び乗物 Download PDFInfo
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- WO2015145934A1 WO2015145934A1 PCT/JP2015/000456 JP2015000456W WO2015145934A1 WO 2015145934 A1 WO2015145934 A1 WO 2015145934A1 JP 2015000456 W JP2015000456 W JP 2015000456W WO 2015145934 A1 WO2015145934 A1 WO 2015145934A1
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- 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
- G02B27/0101—Head-up displays characterised by optical features
-
- 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
- B60K35/213—Virtual instruments
-
- 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]
-
- 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
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
-
- 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
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/31—Virtual images
-
- 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 disclosure relates to a virtual image display device, a head-up display system including the virtual image display device, and a vehicle including the head-up display system.
- a head-up display displays an image in which auxiliary information for supporting driving is drawn on a foreground of a driver on a vehicle such as an automobile as a virtual image.
- Patent Document 1 discloses a virtual image display device that changes the display distance of a virtual image by changing the amount of parallax between the left-eye virtual image and the right-eye virtual image to be visually recognized by both the left and right eyes and fusing them. ing.
- the present disclosure provides a virtual image display device, a head-up display system, and a vehicle that appropriately distribute a spatially divided parallax image to the left and right eyes of a user.
- the virtual image display device of the present disclosure includes a display device that outputs a right-eye image and a left-eye image by spatially dividing the first-eye image and the left-eye image, and light based on the output of the display device in the right-eye direction and the left-eye direction.
- a first optical member periodically arranged at a second pitch, and a first optical member that reflects or refracts light distributed in the right eye direction and left eye direction by the first optical member with positive power. 2 optical members, and the first pitch is narrower than the second pitch.
- the virtual image display device of the present disclosure it is possible to appropriately distribute the spatially divided parallax image to the left and right eyes of the user.
- FIG. 1 is a diagram illustrating a configuration of a head-up display system according to the first embodiment.
- FIG. 2 is a block diagram illustrating a configuration of the display device, the parallax barrier, and the control unit according to the first embodiment.
- FIG. 3 is a diagram illustrating a relationship between the image for the left eye, the image for the right eye, and the stereoscopic image according to the first embodiment.
- FIG. 4 is a first diagram illustrating the relationship between the pixel pair pitch P1 and the parallax barrier pitch P2.
- FIG. 5 is a second diagram illustrating the relationship between the pixel pair pitch P1 and the parallax barrier pitch P2.
- FIG. 6 is a third diagram illustrating the relationship between the pixel pair pitch P1 and the parallax barrier pitch P2.
- FIG. 7 is a fourth diagram illustrating the relationship between the pixel pair pitch P1 and the parallax barrier pitch P2.
- Embodiment 1 [1. Head-up display system configuration]
- the head-up display system described in the present embodiment is provided, for example, in a driver's seat of an automobile.
- FIG. 1 is a diagram for explaining a configuration of a head-up display system 100 according to the first embodiment.
- the head-up display system 100 is provided in the automobile 10.
- the head-up display system 100 includes a virtual image display device 200 and a combiner 400.
- the virtual image display device 200 includes a display device 220, a parallax barrier 230, and a control unit 250 such as a microcomputer.
- the virtual image display device 200 is disposed, for example, inside the dashboard of the automobile 10, reflects an image displayed by the display device 220 via the combiner 400, and guides the observer D inside the automobile 10 to display the virtual image I.
- a liquid crystal display Liquid Crystal Display
- an organic EL display Organic Electroluminescence Display
- a plasma display Plasma Display
- the display device 220 displays various kinds of information such as road progress guidance, a distance to a preceding vehicle, a remaining battery level of the automobile 10, and a current vehicle speed according to control from the control unit 250.
- the combiner 400 is an optical member having a positive power, and is composed of a concave mirror.
- the combiner 400 has a half mirror structure, and reflects part of the light projected from the display device 220 in the direction of the observer D. Then, by making the distance between the combiner 400 and the display device 220 smaller than the focal length, the observer D recognizes the virtual image I through the combiner 400.
- FIG. 2 is a configuration diagram of the display device 220, the parallax barrier 230, and the control unit 250.
- the display device 220 has pixels composed of R (RED), G (Green), and B (Blue).
- each pixel of the display device 220 is spatially divided as a left-eye pixel 221 and a right-eye pixel 222.
- Each pixel of the display device 220 is assigned alternately as a left-eye pixel 221 and a right-eye pixel 222.
- a pixel pair in which the left-eye pixel 221 and the right-eye pixel 222 are paired is arranged at a predetermined pixel pitch P1. That is, the unit period of each pixel of the right eye pixel 221 and the left eye pixel 222 is (P1) / 2.
- the parallax barrier 230 is formed in a one-dimensional stripe shape on a glass substrate by depositing a light shielding material such as chromium on a glass substrate (not shown). A portion where a light shielding material such as chromium is not deposited becomes the opening 231.
- a light shielding material such as chromium is not deposited becomes the opening 231.
- light shielding portions and openings 231 are provided alternately and periodically, and the openings 231 are formed at a predetermined pitch P2.
- the width of the opening 231 of the parallax barrier 230 and the width of the light shielding portion may not be the same.
- the light emitted from the display device 220 is controlled by the aperture 231, and after being reflected by the combiner 400, the light emitted from the left-eye pixel 221 passes to the left eye of the observer D and the right-eye pixel.
- the light emitted from 222 reaches the right eye of the observer D.
- the display device 220 and the parallax barrier 230 can present the parallax image with parallax to the observer D.
- the control unit 250 controls an image displayed on the display device 220.
- the display device 220 outputs an image to be displayed according to control from the control unit 250.
- FIG. 3 is a diagram showing a relationship among the virtual image image IL for the left eye, the virtual image IR for the right eye, and the stereoscopic image S of the observer D.
- the left-eye virtual image IL and the right-eye virtual image IR which are virtual images I of parallax images, are displayed at predetermined positions.
- the observer D perceives that the stereoscopic image S obtained by stereoscopic viewing of the left-eye virtual image image IL and the right-eye virtual image image IR is far from a predetermined position.
- the inventors set the pitch P2 of the parallax barrier 230 to the left eye pixel 221 and the right eye pixel 222. It has been found that it is good if it is larger than the pixel pitch P1 of the pixel pair.
- FIG. 4 is a first diagram illustrating the relationship between the pixel pair pitch P1 and the parallax barrier 230 pitch P2.
- the distance between the observer D and the combiner 400 is Z
- the distance between the combiner 400 and the display device 220 is a
- the distance between the combiner 400 and the virtual image I is b.
- the focal length f is 1 / ⁇ .
- the observer D can recognize the virtual image I.
- the distance b is
- magnification M of the combiner 400 is
- the right eye pixel size and the left eye pixel size of the display device 220 are (P1) / 2)
- the right eye pixel size and the left eye pixel size of the virtual image I are (M * P1) / 2. It is.
- FIG. 5 is a second diagram illustrating the relationship between the pixel pair pitch P1 and the parallax barrier 230 pitch P2.
- the distance from the virtual image barrier to the observer D is Y
- the distance between the eyes of the observer D is PD.
- the virtual image barrier is a barrier existing at a virtual virtual image position of the parallax barrier 230.
- the distance L between the display device 220 and the parallax barrier 230 is determined from the power ⁇ of the combiner 400, the distance a between the combiner 400 and the display device 220, the distance Y between the combiner 400 and the observer D, and the pixel pair pitch P1. It is determined.
- the total number of pixels in the horizontal direction of the right eye pixel 221 and the left eye pixel 222 is N. Since the right-eye pixel size and the left-eye pixel size of the display device 220 are (P1) / 2, the right-eye pixel size and the left-eye pixel size of the virtual image I are (M * P1) / 2. Therefore, the size of the virtual image I of the display device 220 is N * (M * P1) / 2.
- the emission angle ⁇ of the light beam reaching the eyebrows of the viewer D from the pixel at the lateral end of the display device 220 is
- the distance PD between the eyes of the observer D is 65 mm
- the lens power ⁇ of the combiner 400 is 1/180 (1 / mm)
- the focal length f is 180 mm
- the distance a from the display device 220 to the combiner 400 is Assuming 130 mm
- the distance b from the combiner 400 to the virtual image I is 468 mm. That is, the magnification M is 3.6.
- the pixel size of the right eye pixel 222 and the pixel size of the left eye pixel 221 of the display device 220 are 0.0875 mm
- the right eye pixel size and the left eye pixel size of the virtual image I are 0.315 mm.
- the pair pitch P1 is 0.175 mm.
- the distance from the combiner 400 to the observer D is 840 mm
- the distance from the virtual image I to the observer D is 1308 mm.
- the emission angle ⁇ of the light beam directed from the virtual image barrier toward the observer D is calculated, it is 1.43 °. That is, the emission angle ⁇ of the light beam reaching the observer D from the display device 220 may be 5.15 °, and the distance from the display device 220 to the parallax barrier 230 is 0.485 mm.
- the magnification M is 3.6 times, so the width of the display device 220 of the virtual image I is 42 mm. Therefore, the distance Q between AB is 48.55 mm.
- the emission angle ⁇ of the light beam reaching the eyebrows of the viewer D from the pixel at the lateral end of the display device 220 is 11.966 °
- the width of the parallax barrier 230 is 42.21 mm. Therefore, the pitch P2 of the parallax barrier 230 is 0.1759 mm.
- the parallax barrier has been described, but the present invention is not limited to this. That is, any other configuration may be used as long as it can control the light distribution of the light projected from the display device, such as a lenticular lens or a liquid crystal lens.
- the pitch P1 of the pixel pair of the left eye pixel and the right eye pixel of the display device is configured to be narrower than the pitch P2 of the lenticular lens or the pitch P2 of the liquid crystal lens.
- a head-up display system using a combiner has been described.
- the present invention is not limited to this.
- a mirror having a positive power or a convex lens may be used for displaying a virtual image.
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Abstract
Description
[1.ヘッドアップディスプレイシステムの構成]
本実施の形態で説明するヘッドアップディスプレイシステムは、例えば、自動車の運転席に備えつけられる。
次に、表示デバイス220と視差バリア230の構成について詳細に説明する。図2は、表示デバイス220と視差バリア230と制御部250の構成図である。
ヘッドアップディスプレイシステム100において、立体視するために、左右の目に、異なる映像を表示する。つまり、右眼用画素222から出射した光はすべて観察者Dの右眼に入射し、左眼用画素221から出射した光はすべて観察者Dの左眼に入射する必要がある。
出射角βで出射するための、視差バリア230と表示デバイス220の距離Lは、
以上のように、視差バリア230のピッチP2を、左眼用画素221及び右眼用画素222の画素対のピッチP1よりも大きくすることにより、空間分割方式の視差画像を、観察者Dの左右の眼に適切に振り分けることができる。
100 ヘッドアップディスプレイシステム
200 虚像表示装置
220 表示デバイス
230 視差バリア
250 制御部
400 コンバイナー
Claims (4)
- 右眼用画像と左眼用画像とを、第1のピッチにより空間分割して出力する表示デバイスと、
前記表示デバイスの出力に基づく光を右眼方向および左眼方向に振り分ける、第2のピッチで周期的に配列された第1の光学部材と、
前記第1の光学部材により右眼方向および左眼方向に振り分けられた光を、正のパワーにより反射もしくは屈折させる第2の光学部材と、を備え、
前記第1のピッチは、前記第2のピッチよりも狭い、虚像表示装置。 - 請求項1に記載の虚像表示装置を備えるヘッドアップディスプレイシステム。
- 請求項3に記載のヘッドアップディスプレイシステムを搭載する乗物。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15768960.5A EP3125018B1 (en) | 2014-03-27 | 2015-02-03 | Virtual-image display apparatus, heads-up-display system, and vehicle |
| JP2016509931A JP6557868B2 (ja) | 2014-03-27 | 2015-02-03 | 虚像表示装置、ヘッドアップディスプレイシステム及び乗物 |
| US15/214,841 US10146052B2 (en) | 2014-03-27 | 2016-07-20 | Virtual image display apparatus, head-up display system, and vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014065187 | 2014-03-27 | ||
| JP2014-065187 | 2014-03-27 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US15/214,841 Continuation US10146052B2 (en) | 2014-03-27 | 2016-07-20 | Virtual image display apparatus, head-up display system, and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015145934A1 true WO2015145934A1 (ja) | 2015-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2015/000456 Ceased WO2015145934A1 (ja) | 2014-03-27 | 2015-02-03 | 虚像表示装置、ヘッドアップディスプレイシステム及び乗物 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10146052B2 (ja) |
| EP (1) | EP3125018B1 (ja) |
| JP (1) | JP6557868B2 (ja) |
| WO (1) | WO2015145934A1 (ja) |
Cited By (6)
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| EP3306373A1 (en) * | 2016-10-06 | 2018-04-11 | Harman Becker Automotive Systems GmbH | Method and device to render 3d content on a head-up display |
| WO2019151319A1 (ja) * | 2018-02-01 | 2019-08-08 | 京セラ株式会社 | ヘッドアップディスプレイ、ヘッドアップディスプレイ用表示装置及び移動体 |
| WO2019172074A1 (ja) * | 2018-03-05 | 2019-09-12 | 株式会社デンソー | ヘッドアップディスプレイ |
| WO2020031549A1 (ja) * | 2018-08-08 | 2020-02-13 | 株式会社デンソー | 虚像表示装置 |
| WO2020130047A1 (ja) * | 2018-12-21 | 2020-06-25 | 京セラ株式会社 | 3次元表示装置、3次元表示システム、ヘッドアップディスプレイ、及び移動体 |
| WO2020130048A1 (ja) * | 2018-12-21 | 2020-06-25 | 京セラ株式会社 | 3次元表示装置、ヘッドアップディスプレイシステム、及び移動体 |
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| KR101640053B1 (ko) * | 2015-01-02 | 2016-07-18 | 현대자동차주식회사 | 차량용 디스플레이 장치 및 이를 포함하는 차량 |
| KR102547821B1 (ko) * | 2016-11-25 | 2023-06-26 | 삼성전자주식회사 | 3d 디스플레이 장치 |
| WO2018139611A1 (ja) | 2017-01-27 | 2018-08-02 | 公立大学法人大阪市立大学 | 3次元表示装置、3次元表示システム、ヘッドアップディスプレイ、ヘッドアップディスプレイシステム、3次元表示装置設計方法、及び移動体 |
| JPWO2020022288A1 (ja) * | 2018-07-27 | 2021-08-12 | 京セラ株式会社 | 表示装置および移動体 |
| EP3978990A4 (en) * | 2019-05-30 | 2023-01-18 | Kyocera Corporation | THREE-DIMENSIONAL DISPLAY DEVICE, HEAD-UP DISPLAY SYSTEM AND MOVABLE BODY |
| JP7332448B2 (ja) * | 2019-11-27 | 2023-08-23 | 京セラ株式会社 | ヘッドアップディスプレイシステム及び移動体 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3306373A1 (en) * | 2016-10-06 | 2018-04-11 | Harman Becker Automotive Systems GmbH | Method and device to render 3d content on a head-up display |
| WO2019151319A1 (ja) * | 2018-02-01 | 2019-08-08 | 京セラ株式会社 | ヘッドアップディスプレイ、ヘッドアップディスプレイ用表示装置及び移動体 |
| JP2019133057A (ja) * | 2018-02-01 | 2019-08-08 | 京セラ株式会社 | ヘッドアップディスプレイ、ヘッドアップディスプレイ用表示装置及び移動体 |
| WO2019172074A1 (ja) * | 2018-03-05 | 2019-09-12 | 株式会社デンソー | ヘッドアップディスプレイ |
| JP7127415B2 (ja) | 2018-08-08 | 2022-08-30 | 株式会社デンソー | 虚像表示装置 |
| WO2020031549A1 (ja) * | 2018-08-08 | 2020-02-13 | 株式会社デンソー | 虚像表示装置 |
| JP2020024340A (ja) * | 2018-08-08 | 2020-02-13 | 株式会社デンソー | 虚像表示装置 |
| WO2020130047A1 (ja) * | 2018-12-21 | 2020-06-25 | 京セラ株式会社 | 3次元表示装置、3次元表示システム、ヘッドアップディスプレイ、及び移動体 |
| JP2020101660A (ja) * | 2018-12-21 | 2020-07-02 | 公立大学法人大阪 | 3次元表示装置、3次元表示システム、ヘッドアップディスプレイ、及び移動体 |
| CN113196142A (zh) * | 2018-12-21 | 2021-07-30 | 京瓷株式会社 | 三维显示装置、三维显示系统、平视显示器以及移动体 |
| WO2020130048A1 (ja) * | 2018-12-21 | 2020-06-25 | 京セラ株式会社 | 3次元表示装置、ヘッドアップディスプレイシステム、及び移動体 |
| US11693240B2 (en) | 2018-12-21 | 2023-07-04 | Kyocera Corporation | Three-dimensional display device, three-dimensional display system, head-up display, and movable object |
| JP7336782B2 (ja) | 2018-12-21 | 2023-09-01 | 公立大学法人大阪 | 3次元表示装置、3次元表示システム、ヘッドアップディスプレイ、及び移動体 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160327791A1 (en) | 2016-11-10 |
| EP3125018A1 (en) | 2017-02-01 |
| EP3125018B1 (en) | 2020-04-29 |
| US10146052B2 (en) | 2018-12-04 |
| JP6557868B2 (ja) | 2019-08-14 |
| JPWO2015145934A1 (ja) | 2017-04-13 |
| EP3125018A4 (en) | 2017-04-05 |
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