WO2007090824A1 - Affichage tête haute - Google Patents

Affichage tête haute Download PDF

Info

Publication number
WO2007090824A1
WO2007090824A1 PCT/EP2007/051101 EP2007051101W WO2007090824A1 WO 2007090824 A1 WO2007090824 A1 WO 2007090824A1 EP 2007051101 W EP2007051101 W EP 2007051101W WO 2007090824 A1 WO2007090824 A1 WO 2007090824A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
light
display
display according
led
Prior art date
Application number
PCT/EP2007/051101
Other languages
German (de)
English (en)
Inventor
Kai Hohmann
Thomas Martin
Heinrich Noll
Original Assignee
Continental Automotive Gmbh
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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2007090824A1 publication Critical patent/WO2007090824A1/fr

Links

Classifications

    • 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
    • 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
    • G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
    • 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
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • 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
    • G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera

Definitions

  • the invention relates to a head-up display.
  • head-up displays are known in which light from a light source is projected through a light valve via an optical system onto a transparent projection surface and thus a virtual image can be perceived.
  • a light valve for example, a liquid crystal display is used.
  • light ⁇ sources all possible forms of known light sources such as fluorescent lamps, incandescent or light-emitting diodes are known.
  • LEDs are used for the light source, since they have a long life and are inexpensive to manufacture.
  • For the display of colored information LEDs are used, each having an elementary color such as red, yellow, green or blue.
  • These light-emitting diodes emit almost monochromatic light, for example, the light of blue light-emitting diodes can have an emission maximum at a wavelength of 430 to 450 nm.
  • the LEDs By simultaneously controlling the LEDs almost any desired color can be displayed, in particular ⁇ special also a white color. Since head-up display vehicles, for example, to all day in power ⁇ and find night time use, the image background of the head-up display is very different. Therefore, high Dimmraten are ren depending on the brightness of up to 1 to 10,000 to realisie ⁇ .
  • Object of the present invention is to provide a head-up display of the aforementioned type, in which high color saturation during daytime operation and high brightness homogeneity ⁇ it can be achieved during night operation with a simple construction possible.
  • the light source min ⁇ least one light emitting diode of an elementary color, and at least one white light emitting diode.
  • the white LED's can be used, the homogeneous illumination of the light valve and thus a homogeneous representation
  • a flat Be ⁇ wegtsent example of a night-vision system at night can be displayed very homogeneous.
  • the white LEDs it is also very easy to realize a dimming rate of 1: 10.000.
  • Possible color combinations of the light source are beispielswei ⁇ se combinations of red, green, blue and white LEDs. As colored LED 's but can also find yellow or orange LED' s use. When the light source LEDs having red and green color, multiple colors can be already Darge ⁇ provides. When the light source LED with red, green and blue colors which all colors can almost be Darge ⁇ provides.
  • a LED with elementary color is also used when using the white LED 's
  • additional information can be displayed in addition to the information represented by the white LED' s or individual parts of the information represented by the white LED 's can be highlighted. For example, when displaying the surroundings of the motor vehicle pedestrians or other road users by means of colored LEDs, for example, by bordering or direct color representation are highlighted and thus increased the visibility of other road users.
  • the light valve may be configured, for example wellssigkristalldis ⁇ play.
  • a night-vision system may include an infrared sensor that captures the image of the environment. Then the Night Vision system can process the image captured by the infrared sensor and display it using the head-up display.
  • the Dar ⁇ position of the image is preferably carried out by the white LEDs as a black and white display is the usual perceptions in the dark the next.
  • FIG. 1 shows the schematic representation of a particularly preferred head-up display in a motor vehicle
  • Fig. 2 Examples of possible LED Farkonfigurationen for
  • Fig. 4 the view of the driver from Fig. 1 with the
  • FIG. 5 shows a further representation of the driver's view from FIG. 1 with a representation of an information of the head-up display.
  • Fig. 1 is located in the motor vehicle 1 next to the driver K, a windshield 2 and a head-up display with a light source 3, a light valve 4, a deflection mirror 5 and a lens system 6.
  • Light source 3 passes through the light valve 4 via the order ⁇ steering mirror 5 and the lens system 6 on a part 7 of the windshield 2 and from there to the eyes of the force driver K reflected.
  • the motor vehicle 1 further comprises egg ⁇ NEN infrared sensor 8, which is connected via a line 9 to a control unit 10th
  • the drive unit 10 controls the light source 3 and the light valve 4 to produce speaking ⁇ de representations on the head-up display.
  • the infrared sensor 8 takes the environment in front of the motor vehicle and sends this information via the line 9 to the control unit 10. This can then control the head-up display such that the image taken by infrared sensor 8 image is perceived as a virtual image for the driver ,
  • Fig. 2 shows possible embodiments for the arrangement of a light source according to the invention.
  • Fig. 2a shows a light module IIa, each with a red, green and white LED chip r, g, w.
  • the white LED chip can, for example, have a blue LED chip with an emission maximum at 430 to 450 nm, which is provided with a yellow-emitting phosphor and thus produces a white-emitting light-emitting diode through the mixture of the blue and yellow light.
  • the LED module IIb in FIG. 2b contains two red LED chips r, one green LED chip g and one white LED chip w.
  • LED module Hd in Fig 2d finally each egg ⁇ NEN red, green, blue and white LED chip r, g, b, w.
  • red, green, blue and white LEDs are each arranged on a light module.
  • the light source shown in Fig. 3 contains two LED modules of Fig. 2.
  • the light source may also have only one LED module or more than two LED modules.
  • the light source includes a secondary optics 12, which may be configured for example as a light box or light guide. Above the secondary optics 12 are a lens 13 and the light valve. til 4 arranged.
  • the light valve 4 is designed as a liquid crystal ⁇ display. The diffuser improves the distri ⁇ ment of the colors and thus the homogeneity.
  • the LED modules 11 are arranged on a heat sink 14, which may for example consist of a good heat conducting material.
  • Fig. 4 can be seen in addition to the windshield 2, a combination instrument 15, a steering wheel 16 and an information presentation 18 in the display area 7 of the windshield 2.
  • This information representation 18 is generated by the light emitting diodes and the light valve and the deflection mirror 5 and the lens system 6 proji ⁇ on the windshield 2 so that it is perceived by the driver as shown.
  • the pictogram may be represented in one color, for example red, while the explained text (congestion) may be displayed in green or in another color or red.
  • the area 7 also notes of a navigation system or other information to be displayed can be displayed.
  • FIG. 5 shows a possible use of the head-up display for displaying information of a night-vision system.
  • the surroundings of the motor vehicle, as recorded by the infrared sensor 8 are shown.
  • the aforementioned representation of the environmental image is realized by the white LEDs.
  • the secondary information (61 km / h), which is still shown in the area 7, is advantageously displayed in color in order to stand out better from the surrounding image. So the motorist can simultaneously perceive the image of the environment and their own driven Ge ⁇ speed.
  • Fig. 5 can be seen at the wind Protective disc 2 continues to the contours of the oncoming vehicle.
  • the prescribed head-up display can also be modified.
  • corrections and enlargements, which are carried out in the aforementioned embodiment by the lens system 6, can be realized by appropriate Ausgestal ⁇ tion of aspheric deflecting mirrors, which achieve the same results.
  • the white LED 's use to a maximum luminance to Errei ⁇ chen.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instrument Panels (AREA)

Abstract

L'invention concerne un affichage tête haute dans lequel la lumière d'une source de lumière (3, 11, 11a - d) est projetée à travers un obturateur de lumière (4) au moyen d'une optique (5, 6) sur une surface de projection transparente (7) et grâce auquel une image virtuelle (Y) peut ainsi être perçue, caractérisé en ce que la source de lumière (3, 11, 11a – d) comporte au moins une DEL (r, g, b) d'une couleur élémentaire et au moins une DEL blanche (w).
PCT/EP2007/051101 2006-02-06 2007-02-06 Affichage tête haute WO2007090824A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610005571 DE102006005571A1 (de) 2006-02-06 2006-02-06 Head-Up-Display
DE102006005571.3 2006-02-06

Publications (1)

Publication Number Publication Date
WO2007090824A1 true WO2007090824A1 (fr) 2007-08-16

Family

ID=37964986

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/051101 WO2007090824A1 (fr) 2006-02-06 2007-02-06 Affichage tête haute

Country Status (2)

Country Link
DE (1) DE102006005571A1 (fr)
WO (1) WO2007090824A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102556071A (zh) * 2010-10-13 2012-07-11 通用汽车环球科技运作有限责任公司 全挡风玻璃平视显示器上的车辆威胁识别
WO2013023792A2 (fr) 2011-08-18 2013-02-21 Johnson Controls Automotive Electronics Sas Dispositif d'affichage, notamment pour véhicule automobile
WO2013045705A1 (fr) 2011-10-01 2013-04-04 Johnson Controls Automotive Electronics Sas Dispositif d'affichage, notamment pour vehicule automobile
RU2732340C1 (ru) * 2019-05-17 2020-09-15 Общество с ограниченной ответственностью "Научно-технический центр "Биолюмен" (ООО "НТЦ "Биолюмен") Автомобильный дисплей на лобовом стекле

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009014660A1 (de) * 2008-03-27 2009-11-19 Johnson Controls Gmbh Anzeigegerät
EP2194418B1 (fr) 2008-12-02 2014-07-02 Saab Ab Affichage tête haute pour lunettes pour voir la nuit
DE102009011908B4 (de) 2009-03-05 2021-12-09 Bayerische Motoren Werke Aktiengesellschaft Head-up-Display und Fahrzeug
DE102010020072A1 (de) * 2010-05-10 2011-11-10 Karina Jost Vorrichtung und Verfahren zur Darstellung einzelner Objekte eines Gesamtbildes auf einer transparenten Projektionsfläche
DE102011121558B4 (de) 2011-10-05 2017-06-01 Johnson Controls Automotive Electronics Gmbh Anzeigevorrichtung und Verfahren zum Betrieb einer Anzeigevorrichtung
DE102016105146A1 (de) * 2016-03-21 2017-09-21 Valeo Schalter Und Sensoren Gmbh Verfahren zum Betreiben einer Kopf-oben-Anzeigevorrichtung für ein Kraftfahrzeug mit Farbwertanpassung, Kopf-oben-Anzeigevorrichtung sowie Kraftfahrzeug
JP7117578B2 (ja) * 2018-03-20 2022-08-15 パナソニックＩｐマネジメント株式会社 ヘッドアップディスプレイ及び移動体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034014A2 (fr) * 1994-06-02 1995-12-14 Honeywell Inc. Dispositifs d'affichage tete haute jour/nuit
US20020135573A1 (en) * 2001-03-26 2002-09-26 Naohito Kanamori Displaying device for vehicle having light sources of different directivities
US20030169213A1 (en) * 2002-03-07 2003-09-11 Spero Yechezkal Evan Enhanced vision for driving
EP1610099A2 (fr) * 2004-06-22 2005-12-28 Robert Bosch Gmbh Indicateur scanner à diode lumineuse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06130317A (ja) * 1992-10-16 1994-05-13 Nippondenso Co Ltd ヘッドアップディスプレイ装置
DE10016817A1 (de) * 2000-04-05 2001-10-18 Mannesmann Vdo Ag Farb-Head-up Display, insbesondere für ein Fahrzeug
DE10131720B4 (de) * 2001-06-30 2017-02-23 Robert Bosch Gmbh Head-Up Display System und Verfahren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034014A2 (fr) * 1994-06-02 1995-12-14 Honeywell Inc. Dispositifs d'affichage tete haute jour/nuit
US20020135573A1 (en) * 2001-03-26 2002-09-26 Naohito Kanamori Displaying device for vehicle having light sources of different directivities
US20030169213A1 (en) * 2002-03-07 2003-09-11 Spero Yechezkal Evan Enhanced vision for driving
EP1610099A2 (fr) * 2004-06-22 2005-12-28 Robert Bosch Gmbh Indicateur scanner à diode lumineuse

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102556071A (zh) * 2010-10-13 2012-07-11 通用汽车环球科技运作有限责任公司 全挡风玻璃平视显示器上的车辆威胁识别
WO2013023792A2 (fr) 2011-08-18 2013-02-21 Johnson Controls Automotive Electronics Sas Dispositif d'affichage, notamment pour véhicule automobile
WO2013045705A1 (fr) 2011-10-01 2013-04-04 Johnson Controls Automotive Electronics Sas Dispositif d'affichage, notamment pour vehicule automobile
US9703372B2 (en) 2011-10-01 2017-07-11 Visteon Global Technologies, Inc. Display device, in particular for motor vehicle
RU2732340C1 (ru) * 2019-05-17 2020-09-15 Общество с ограниченной ответственностью "Научно-технический центр "Биолюмен" (ООО "НТЦ "Биолюмен") Автомобильный дисплей на лобовом стекле

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Publication number Publication date
DE102006005571A1 (de) 2007-08-09

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