WO2022130863A1 - 表示装置及び表示システム - Google Patents
表示装置及び表示システム Download PDFInfo
- Publication number
- WO2022130863A1 WO2022130863A1 PCT/JP2021/041835 JP2021041835W WO2022130863A1 WO 2022130863 A1 WO2022130863 A1 WO 2022130863A1 JP 2021041835 W JP2021041835 W JP 2021041835W WO 2022130863 A1 WO2022130863 A1 WO 2022130863A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- display elements
- display
- display device
- image
- image light
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
-
- 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
- G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
Definitions
- This disclosure relates to a display device that displays (projects) an image on a screen.
- the present disclosure further relates to a display system including a display device and a display control device that generates drawing data of an image and outputs the drawing data to the display device.
- a display device that displays (projects) an image using the windshield of a vehicle as a screen is known (Patent Document 1).
- pixels are arranged vertically and horizontally in order to arrange pixels efficiently.
- the windshield of a vehicle has a free curved surface. Therefore, if the target image is displayed on the windshield without correction, the image looks distorted to the viewer. For example, when a straight line is displayed, it does not look like a straight line.
- a projector-type head-up display system distortion is corrected by a free-form surface lens.
- the direct projection type head-up display system reduces distortion by using, for example, a flat combiner.
- an object of the present disclosure is to more easily display an image with reduced distortion on a screen having a curved surface.
- the display device is a plurality of display elements that emit image light onto a screen having a curved surface, and the target is that the image light emitted by the plurality of display elements is reflected on the curved surface. It is provided with a plurality of display elements arranged so that the distance between the plurality of display elements is non-uniform so that the image to be displayed is displayed.
- a display device having a display element arranged so that the target image is displayed on the screen having a curved surface is realized.
- the plurality of display elements are arranged so that the intervals between the plurality of display elements are non-uniform (not a square array) so that the target image is displayed.
- An image (virtual image) is displayed on the screen by reflecting the image light emitted by a plurality of display elements on the screen. Since the screen has a free curved surface, the image displayed on the screen does not have the same shape (similar shape) as the array of a plurality of display elements, but has the shape of the target image.
- the target image can be displayed on the screen having a curved surface without using an optical element such as a combiner or a lens.
- a part of the image displayed by the first image light which is a part of the image light is a second image light which is another part of the image light.
- Enlarged and displayed more than the other part of the image displayed by The plurality of display elements are arranged so that the distance between the plurality of display elements emitting the second image light is wider than the distance between the plurality of display elements emitting the first image light.
- the distance between the plurality of display elements that emit the second image light is wider than the distance between the plurality of display elements that emit the first image light.
- the first image light is enlarged and displayed as compared with the second image light.
- the first image light from the narrow array of display elements is displayed wider than the second image light from the wide array of display elements.
- a part of the image displayed by the first image light and the other part of the image displayed by the second image light have the same size, so that the target image is displayed. Will be done.
- the virtual image light is emitted from a plurality of virtual display elements arranged in the shape of the target image onto the screen, the virtual image light is reflected on the curved surface to be displayed.
- the plurality of display elements are arranged in a shape similar to a typical image.
- the arrangement of the display elements is the shape of the target image, but the displayed image has a shape different from the shape of the target image (distorted shape).
- the displayed image becomes the target image shape by reversely converting the arrangement of the display elements into a shape different from the target image shape (distorted shape).
- the target image is rectangular and
- the plurality of display elements are in a direction corresponding to two orthogonal sides of the rectangle so that a rectangular image is displayed by reflecting the image light emitted by the plurality of display elements on the curved surface.
- a plurality of columns of display elements are arranged in the first direction, and the number of the plurality of display elements contained in each column arranged in the first direction is equal.
- a plurality of columns of display elements are arranged in the second direction, and the number of the plurality of display elements contained in each column arranged in the second direction is equal.
- the plurality of display elements are spaced in a matrix in the first direction, which is the direction corresponding to one side of the target image (rectangle), and the second direction, which is the direction corresponding to the sides in the orthogonal direction. Are unevenly arranged. As a result, the image light emitted by the plurality of display elements is reflected on the curved surface of the screen, so that a rectangular image is displayed.
- the plurality of display elements are arranged so as to be different from each other.
- the distance between the display elements at both ends of the display element in the second column is longer than the distance between the display elements at both ends of the display element in the first column.
- the image displayed by the first image light (a part of the whole image) is enlarged and displayed as larger than the image displayed by the second image light (a part of the whole image).
- the enlargement ratio of the display element in the first column where the distance between both ends is short is the largest
- the enlargement ratio of the display element in the second column where the distance between both ends is long is the smallest. From the second image light to the first image light, it is continuously magnified in this way. As a result, the image displayed by the image light emitted from the plurality of display elements becomes the shape (rectangle) of the target image.
- the plurality of display elements are configured by combining a plurality of blocks divided in the first direction and the second direction.
- the lengths of the plurality of blocks in the second direction are all equal.
- the length of the plurality of blocks in the first direction differs depending on the curvature of the curved surface on which the image light emitted by the plurality of display elements included in the plurality of blocks is reflected.
- the number of the plurality of display elements contained in each of the plurality of blocks in the first direction is equal.
- the number of the plurality of display elements contained in each of the plurality of blocks in the second direction is equal.
- the plurality of blocks are each fan-shaped and have a fan shape.
- the first direction may be the circumferential direction of the sector, and the second direction may be the radial direction of the sector.
- the plurality of blocks are trapezoidal, respectively.
- the first direction may be the base direction of the trapezoid, and the second direction may be the hypotenuse direction of the trapezoid.
- a trapezoid isosceles trapezoid
- the first direction is the base direction
- the second direction is the oblique side direction.
- the plurality of display elements may be a plurality of pixels.
- the plurality of display elements may be a plurality of subpixels.
- a moving mechanism for adjusting the position of the image by moving the plurality of display elements with respect to the screen may be further provided.
- the display system is A plurality of display elements that emit image light onto a screen having a curved surface, and the plurality of display elements so that a target image is displayed by reflecting the image light emitted by the plurality of display elements on the curved surface.
- a display control device that generates image drawing data and outputs it to the display device, Equipped with.
- FIG. 1 An example of a head-up display system using an LCD or the like is schematically shown, (A) is a front view of a windshield as a screen, and (B) is a top view of a display device installed on a dashboard.
- a head-up display system according to an embodiment of the present disclosure is schematically shown, (A) is a front view of a windshield as a screen, and (B) is a top view of a display device installed on a dashboard.
- a plurality of blocks constituting a plurality of display elements are schematically shown.
- An example of a combination of a plurality of blocks is schematically shown.
- Another example of a combination of a plurality of blocks is schematically shown.
- a modification example of a plurality of blocks is schematically shown. The configuration of a display system having a display device is shown. Yet another modification of the plurality of blocks is schematically shown.
- This embodiment relates to a head-up display system mounted on a vehicle.
- a display device installed on a dashboard or the like displays (projects) an image toward a windshield which is a screen.
- the viewer occupant such as a driver
- the windshield of the vehicle has a free curved surface. Therefore, if the target image is displayed (projected) on the windshield without correction, the displayed image will be distorted for the viewer.
- the distortion of the image differs depending on the curvature of the windshield.
- FIG. 1 schematically shows a typical head-up display system using an LCD (Liquid Crystal Display) or an organic LED (Light Emitting Diode).
- LCD Liquid Crystal Display
- organic LED Light Emitting Diode
- (A) is a front view of the windshield as a screen
- (B) is a top view of a display device (LCD, organic LED, etc.) installed on the dashboard.
- the light from the LCD panel or the LED element (display element) is directly applied to the windshield, which is a screen, without passing through the distortion correction lens or the distortion correction mirror.
- the width of the front window is the same as / almost the same as the width of the front window so that it can be displayed on the entire width of the front window.
- Display devices may be arranged to some extent.
- the display device 2 is a direct projection format and is installed in the dashboard DB.
- the display device 2 has a plurality of display elements (subpixels or pixels composed of a plurality of subpixels; the same applies hereinafter) that emit image light.
- the plurality of display elements are arranged in a matrix (that is, in a rectangular shape) in two orthogonal axes (X-axis and Y-axis) (so-called square arrangement).
- the plurality of display elements are arranged in the shape of the target image (that is, the shape of the image without distortion).
- Image I2 virtual image
- Image I2 virtual image
- the windshield WS Since the windshield WS has a free curved surface, the image I2 displayed on the windshield WS has a distorted shape rather than the shape of the target image (that is, the same shape (similar shape) as the arrangement of a plurality of display elements).
- the display device 2 has a plurality of display elements in 6 rows arranged in the Y direction. In each column, the same number (16) of display elements are arranged in the X direction (orthogonal to the Y direction).
- the row farthest from the windshield WS includes the plurality of display elements (X1, Y1) to (X3, Y3).
- the row closest to the windshield WS (second row) includes the plurality of display elements (X2, Y2) to (X4, Y4).
- the image I2 is displayed on the windshield WS by reflecting the light emitted from the plurality of display elements on the curved surface of the windshield WS.
- the image by (X3', Y3') is displayed.
- the image by (X4', Y4') is displayed.
- the distortion of the image displayed by the image light (X2', Y2') to (X4', Y4') of is different.
- the image (a part of the whole image) displayed by the first image light (X1', Y1') to (X3', Y3') is the second image light (X2', Y2'. )-(X4', Y4'), the image is enlarged and displayed (a part of the whole image).
- the first image light (X1', Y1') to (X3', Y3') has a large area in each display element, and the distance between the image lights from adjacent display elements is large. It is displayed to spread.
- the second image light (X2', Y2') to (X4', Y4') is continuously magnified in this way from the first image light (X1', Y1') to (X3', Y3').
- the image displayed by the image light emitted from the plurality of display elements arranged in a rectangular shape becomes a fan shape.
- the fan shape without the central angle portion that is, the shape of the developed view of the side surface of the conical base
- fan shape for convenience.
- Display devices such as LCDs and organic LEDs are typically designed with the same concept as semiconductors, and display elements are arranged vertically and horizontally (rectangularly) at equal intervals with an emphasis on efficiency, and as many display elements as possible are arranged. Pack with high density.
- display elements When looking directly at the display or projecting onto a flat display (direct projection format), it is preferable to arrange the display elements at high density at equal intervals.
- direct projection display system when the screen has a curved surface, the displayed image is always distorted with respect to the array of display elements.
- FIG. 2 schematically shows a head-up display system according to an embodiment of the present disclosure
- (A) is a front view of a windshield as a screen
- (B) is a top view of a display device installed on a dashboard.
- the head-up display system of FIG. 2 light from the LCD panel or the LED element (display element) is directly applied to the windshield, which is a screen, without passing through a distortion correction lens or a distortion correction mirror.
- the width of the front window is the same as / almost the same as the width of the front window so that it can be displayed on the entire width of the front window.
- Display devices may be arranged to some extent.
- the target image to be displayed on the windshield WS is a rectangle. That is, the shape of the target image is the same as the arrangement of the plurality of display elements of the display device 2 (FIG. 1) according to the example of FIG. Therefore, the display device 1 of the present embodiment winds a virtual image light from a plurality of virtual display elements (display elements of the display device 2 in FIG. 1) arranged in a target image shape (rectangle).
- a plurality of display elements are arranged in a shape similar to a virtual image (image I2 in FIG. 1) displayed by reflecting a virtual image light on the curved surface of the windshield WS when emitted to the glass WS. ..
- the displayed image has a different shape (distorted shape) from the target image shape.
- the display element is transformed into a shape different from the target image shape (distorted shape) so that the displayed image becomes the target image shape.
- a virtual image displayed by a plurality of virtual display elements (display element of the display device 2 in FIG. 1) arranged in an array of display elements in the shape (rectangle) of the target image ( By adopting the shape of the image I2) in FIG. 1, the displayed image has the shape (rectangle) of the target image.
- the display device 1 is a direct projection format and is installed in the dashboard DB.
- the display device 1 uses a fine LED element such as a micro LED panel as a light source.
- the display device 1 has a plurality of display elements (subpixels or pixels composed of a plurality of subpixels; the same applies hereinafter) that emit image light.
- the sub-pixel means each of "R”, “G”, “B”, and “G”
- the pixel means a group of "RGBG”.
- the plurality of display elements are arranged so that the distance between the plurality of display elements is non-uniform (not a square array) so that the target image I1 is displayed.
- the image I1 (virtual image) is displayed on the windshield WS by reflecting the image light emitted by the plurality of display elements on the windshield WS. Since the windshield WS has a free curved surface, the image I1 displayed on the windshield WS does not have the same shape (similar shape) as the arrangement of a plurality of display elements, but has the shape of the target image.
- the target image I1 is a rectangle.
- the plurality of display elements have directions corresponding to two orthogonal sides (XY) of the rectangle so that the rectangular image I1 is displayed by reflecting the image light emitted by the plurality of display elements on the curved surface of the front glass WS.
- XY orthogonal sides
- the plurality of display elements are arranged in the X'direction (first direction) and the Y'direction (second direction).
- the plurality of display elements are arranged in a fan-shaped matrix (to be exact, in the shape of a developed view of the side surface of the conical base; a fan shape having no central angle portion).
- the plurality of display elements are the X'direction (first direction), which is the direction corresponding to the X-direction side which is two orthogonal sides of the target image I1 (rectangle), and the direction corresponding to the Y-direction side. They are arranged in a matrix in the Y'direction (second direction).
- first direction the direction corresponding to the X-direction side which is two orthogonal sides of the target image I1 (rectangle)
- the direction corresponding to the Y-direction side are arranged in a matrix in the Y'direction (second direction).
- the radial direction of the sector is referred to as the X'direction (first direction)
- the circumferential direction of the sector is referred to as the Y'direction (second direction).
- the display device 1 has a plurality of display elements in 6 columns arranged in the Y'direction. In each column, the same number (16) of display elements are arranged in the X'direction.
- the row farthest from the windshield WS includes the plurality of display elements (X1, Y1) to (X3, Y3).
- the row closest to the windshield WS (second row) includes the plurality of display elements (X2, Y2) to (X4, Y4).
- the number of multiple display elements contained in each column arranged in the X'direction is equal.
- the number of display elements to be displayed is equal to the number of display elements contained in all intervening columns.
- the number of multiple display elements contained in each column arranged in the Y'direction is equal.
- the number of display elements in is equal to the number of multiple display elements contained in all intervening columns. All display elements are equal in shape and size.
- the display elements are shown in 6 ⁇ 16 pieces, but this is for the sake of easy understanding.
- the size of one pixel containing three subpixels is about 0.003 mm2.
- a display device of about 40 cm ⁇ about 45 cm in terms of a sector converted into a rectangle contains about 115,200 pixels.
- the display elements (X1, Y1) to (X3, Y3) in the first column are arranged in the X'direction, and one side (X1', Y1') to (X3', Y3) in the X direction of the rectangular image I1.
- the display elements (X2, Y2) to (X4, Y4) in the second column are arranged in the X'direction, and one side (X1', Y1') to (X3', Y3) in the X direction of the rectangular image I1.
- the image light for displaying the other side (X2', Y2') to (X4', Y4') that is the opposite side of') is output.
- Multiple display elements are arranged so that the distance between them is different.
- the distance between the plurality of display elements (X2, Y2) to (X4, Y4) that emit the second image light is the plurality of display elements (X1, Y1) that emit the first image light.
- a plurality of display elements are arranged so as to be wider than the distance between (X3, Y3).
- the distances between the display elements (X2, Y2) and (X4, Y4) at both ends of the display element in the second column are the display elements (X1, Y1), (X3) at both ends of the display element in the first column. , Y3) Longer than the distance between each other.
- Image I1 is displayed on the windshield WS by reflecting the light emitted from the plurality of display elements on the curved surface of the windshield WS.
- the image I1 is the image light (first image light) (X1', X1', emitted from the plurality of display elements (X1, Y1) to (X3, Y3) in the first column at the position farthest from the dashboard DB. Images from Y1') to (X3', Y3') are displayed.
- Image light (second image light) (X2', Y2') emitted from a plurality of display elements (X2, Y2) to (X4, Y4) in the second column closest to the dashboard DB.
- the image by (X4', Y4') is displayed.
- the distortion of the image displayed by the image light (X2', Y2') to (X4', Y4') of is different.
- the image (a part of the whole image) displayed by the first image light (X1', Y1') to (X3', Y3') is the second image light (X2', Y2'. )-(X4', Y4'), the image is enlarged and displayed (a part of the whole image).
- the area of the first image light (X1', Y1') to (X3', Y3') increases in the XY direction in units of display elements, and the distance between adjacent display elements is XY. It is displayed so that it spreads in the direction.
- the second image light (X2', Y2') to (X4', Y4') is continuously magnified in this way from the first image light (X1', Y1') to (X3', Y3').
- the distances between the display elements (X2, Y2) and (X4, Y4) at both ends of the display element in the second column are the display elements (X1, Y1) at both ends of the display element in the first column. , Longer than the distance between (X3, Y3).
- the image (a part of the whole image) displayed by the first image light (X1', Y1') to (X3', Y3') is the second image light (X2', Y2') to ( It is enlarged and displayed from the image (a part of the whole image) displayed by X4', Y4').
- the display elements (X1, Y1) to (X3, Y3) in the first column having a short distance between both ends have the largest enlargement ratio
- the display elements in the second column have a long distance between both ends (X1, Y1).
- the enlargement ratio of X2, Y2) to (X4, Y4) is the smallest.
- the second image light (X2', Y2') to (X4', Y4') is continuously magnified in this way from the first image light (X1', Y1') to (X3', Y3').
- the image I1 displayed by the image light emitted from the plurality of display elements arranged in a fan shape of the display device 1 becomes a rectangle.
- the distance between the plurality of display elements (X2, Y2) to (X4, Y4) that emit the second image light (X2', Y2') to (X4', Y4') is the first image. It is arranged wider than the distance between the plurality of display elements (X1, Y1) to (X3, Y3) that emit light (X1', Y1') to (X3', Y3').
- the first image light (X1', Y1') to (X3', Y3') is enlarged and displayed from the second image light (X2', Y2') to (X4', Y4'). ..
- the first image lights (X1', Y1') to (X3', Y3') from the display elements (X1, Y1) to (X3, Y3) in a narrow arrangement become the display elements (X2') in a wide arrangement.
- Y2)-(X4, Y4) second image light (X2', Y2')-(X4', Y4') is displayed wider.
- the target rectangular image is displayed.
- the plurality of display elements of the display device 1 are fan-shaped arranged in a matrix in the X'direction (diameter direction) and the Y'direction (circumferential direction).
- the number of multiple display elements contained in each column arranged in the X'direction is equal.
- the number of multiple display elements contained in each column arranged in the Y'direction is equal. All display elements may be mounted on one board.
- a plurality of display elements are divided into blocks of the same number.
- the display device 1 is configured by combining a plurality of blocks (divided boards) including the same number of display elements.
- FIG. 3 schematically shows a plurality of blocks constituting a plurality of display elements.
- the plurality of display elements (same as in FIG. 2) included in the display device 1 are a plurality of (12) fan-shaped blocks divided into 4 ⁇ 3 in the X'direction (circumferential direction) and the Y'direction (diameter direction). It is composed of a combination of a, b, and c.
- the four blocks a are congruent, the four blocks b are congruent, and the four blocks c are congruent.
- the virtual central angles (not shown) of the fan-shaped blocks a, b, and c are equal.
- the lengths Ya, Yb, and Yc of each block a, b, and c in the Y'direction are all equal.
- the length of the arc of the block a facing the block b in the X'direction is equal to the length of the arc of the block b facing the block a in the X'direction.
- the length of the arc in the X'direction of the block c facing the block b is equal to the length of the arc in the X'direction of the block b facing the block c. Due to the shapes of the blocks a, b, and c, the plurality of (12) fan-shaped blocks a, b, and c are combined into a 4 ⁇ 3 fan shape (the shape of the display device 1 in FIG. 2) without gaps.
- Each block a, b, c includes a plurality of display elements.
- the number of display elements contained in each of the plurality of blocks a, b, and c in the X'direction is equal.
- the number of display elements contained in each of the plurality of blocks a, b, and c in the Y'direction is equal.
- eight display elements are arranged so that the four display elements are evenly spaced in the X'direction and the two display elements are evenly spaced in the Y'direction.
- the sizes of the blocks a, b, and c differ depending on the distance (length of diameter) from the virtual central angle (not shown). Therefore, the arrangement of the display elements of each block a, b, and c is different. More specifically, the closer to the virtual central angle (not shown) to the block (eg, block c), the narrower the distance between the plurality of display elements in the X'direction, and the virtual central angle (not shown). The farther the block is from (eg, block a), the wider the distance between the plurality of display elements in the X'direction.
- the display device 1 of FIG. 2 By combining a plurality of fan-shaped blocks a, b, and c configured in this way in a fan shape without gaps, the display device 1 of FIG. 2 (96 display elements are 6 ⁇ 16 (X'direction ⁇ Y'direction)). Display devices 1) arranged in a fan-shaped matrix can be manufactured. Since the number (12) of the plurality of display elements contained in the blocks a, b, and c of different sizes is the same, as a result, the spacing between the plurality of display elements is different for each of the blocks a, b, and c. Thereby, the display device 1 in which the intervals between the plurality of display elements are not uniform can be easily created by combining the plurality of types of blocks a, b, and c.
- the display device 1 is configured by combining 12 blocks a, b, and c on which the same number (8 pieces) of display elements are mounted.
- the failure can be easily dealt with by exchanging one block including the display element.
- the board on which all the display elements are mounted must be replaced. Therefore, it is economically advantageous to combine a plurality of blocks (divided boards) on which display elements are mounted.
- FIG. 4 schematically shows an example of a combination of a plurality of blocks.
- a display device 3 having the same curvature as the display device 1 (FIGS. 2 and 3) and having a different size can be manufactured.
- FIG. 5 schematically shows another example of a combination of a plurality of blocks.
- the curvature of the curved surface of the windshield WS on which the image light emitted by the plurality of display elements included in the display device 4 is reflected differs depending on the display position.
- the curvature of the curved surface of the windshield WS near the side mirror is larger than the curvature of the curved surface of the windshield WS in front of the driver's seat (the curvature is tight). Therefore, when displaying a wide image from the front of the driver's seat to the vicinity of the side mirror, the curvature of the curved surface of the windshield WS changes on the way. In such cases, the curvatures of the plurality of blocks are changed.
- the display device 4 has a plurality of blocks a, b, c (same as in FIG. 3) and a plurality of blocks d.
- the X1 side (front side of the driver's seat) of the display device 4 includes a plurality of blocks a, b, and c, and the combination is the same as in FIG.
- the curvature of the X2 side (side mirror side) of the display device 4 is different from that of the X1 side.
- the plurality of display elements included in the X1 side of the display device 4 are a plurality of (9) fan-shaped blocks a and b divided into 3 ⁇ 3 in the X'direction (circumferential direction) and the Y'direction (diameter direction). , C are combined.
- the plurality of display elements included on the X2 side of the display device 4 are a plurality of (9) fan-shaped blocks b, c divided into 3 ⁇ 3 in the X'direction (circumferential direction) and the Y'direction (diameter direction). , D are combined.
- the three blocks a are congruent, the six blocks b are congruent, the six blocks c are congruent, and the three blocks d are congruent.
- the virtual central angles (not shown) of the fan-shaped blocks a, b, c, and d are equal.
- the lengths Ya, Yb, Yc, and Yd of each block a, b, c, and d in the Y'direction are all equal.
- the length of the arc of the block a facing the block b in the X'direction is equal to the length of the arc of the block b facing the block a in the X'direction.
- the length of the arc in the X'direction of the block c facing the block b is equal to the length of the arc in the X'direction of the block b facing the block c.
- the length of the arc in the X'direction of the block c facing the block d is equal to the length of the arc in the X'direction of the block d facing the block c. Due to the shapes of the blocks a, b, c, and d described above, the nine fan-shaped blocks a, b, and c on the X1 side are combined into a 3 ⁇ 3 fan shape without gaps, and the nine fan-shaped blocks b on the X2 side. , C, d are combined into a 3 ⁇ 3 sector without gaps.
- each block a, b, c, and d in the Y'direction are all equal, different types of blocks (for example, blocks a and b) can be placed in the X'direction without gaps. Can be combined. As a result, the blocks a, b, c at the end on the X1 side and the blocks b, c, d at the end on the X2 side are combined without a gap.
- FIG. 6 schematically shows a modified example of a plurality of blocks.
- the shape of the plurality of blocks that realizes the fan-shaped display device 1 is not limited to the fan shape (FIG. 3, FIG. 4, FIG. 5).
- the shape of the block may be a polygon.
- the shape of the block may be trapezoidal.
- a trapezoid eg, isosceles trapezoid
- the display device 5 of FIG. 3 is obtained if the fan-shaped blocks a, b, and c of the display device 1 (FIG. 3) are all trapezoidal as described above, the display device 5 of FIG.
- the display device 1 of FIG. 2 (96 display elements are 6 ⁇ 16 (X'direction ⁇ Y'direction)).
- Display devices 1) arranged in a fan-shaped matrix can be manufactured.
- a polygon in which the arc in the circumferential direction of a sector (FIGS. 3, 4, and 5) is approximated by a line segment may be used.
- the polygon obtained by approximating the arc in the circumferential direction with a line segment includes a trapezoid.
- a display device 6 in which a polygon (fletching shape) in which an arc in the circumferential direction is approximated by a line segment is combined into a fan shape without a gap, and is an example of a polygon (fletching shape) different from a trapezoid. ..
- the virtual central angle angles of the fan-shaped blocks of different sizes are all equal.
- the block is a trapezoid or a polygon (including a trapezoid) in which an arc is approximated by a line segment.
- the angles of the intersections of a pair of straight lines that virtually extend a pair of hypotenuses of trapezoidal blocks of different sizes are all equal.
- the blocks are polygons (eg, trapezoidal, polygons approximated by line segments), and multiple blocks are arranged in the circumferential direction with the same diameter position as in FIG. 5, the length of the line segment corresponding to the arc.
- FIG. 7 shows the configuration of a display system having a display device.
- the display system 100 is a head-up display system mounted on a vehicle.
- the display system 100 includes a display control device 10 and a display device 1.
- the display control device 10 acquires data (images, metadata) of contents (for example, safety-related contents, navigation contents, infotainment contents, vehicle information contents such as speed, etc.) from the content generation system 30.
- the display control device 10 realizes the content acquisition unit 110, the distortion correction processing unit 120, and the output unit 130 by loading the display control program recorded in the ROM into the RAM and executing the CPU.
- the display control device 10 acquires an image of the content (content acquisition unit 110), generates drawing data of the corrected image (distortion correction processing unit 120), and outputs the drawing data to the display device 1 (output unit 130). ..
- the distortion correction processing unit 120 is based on the position where the image on the windshield is displayed (display position) and the viewer position (driver's seat or passenger's seat, eye position (height), etc.). The image is corrected so that the distortion of the image is reduced when the viewer views the image displayed at the display position of the windshield from the viewer position.
- the display device 1 is installed on the dashboard of the vehicle, for example.
- the display device 1 has a display device control unit 210 and a display device 220.
- the display device 220 has the configuration shown in FIG. 1 and the like, and uses a fine LED element such as a micro LED panel as a light source.
- the display device control unit 210 controls the display device 220 and displays (projects) an image toward the windshield of the vehicle, which is a screen, based on the drawing data input from the display control device 10. The viewer sees an image displayed (projected) from the display device 220 and reflected on the windshield.
- the display device 220 (micro LED panel, etc.) is installed, for example, over the entire width direction of the dashboard. As a result, the image is displayed over the entire width direction of the windshield.
- the display device 220 may have one panel that is continuous over the entire width direction of the dashboard, or may have a plurality of panels that are divided in the width direction of the dashboard.
- the content generation system 30 is a general term for a plurality of independent devices that generate content of an image displayed on the display device 1.
- the content generation system 30 includes, for example, a safety-related content generation device, a navigation device, an infotainment device, and a vehicle information generation device.
- the safety-related content generation device, navigation device, infotainment device, and vehicle information generation device each generate content data (image, metadata) and output it to the display control device 10.
- the display device 1 moves a display device 220 including a plurality of display elements with respect to the windshield in the width direction of the windshield and / or in the front-rear direction with respect to the windshield to adjust the position of an image (virtual image). It may have a mechanism.
- a display device having a display element arranged so that the target image is displayed on the screen having a curved surface is realized.
- the plurality of display elements are arranged so that the intervals between the plurality of display elements are non-uniform (not a square array) so that the target image I1 is displayed.
- the image I1 (virtual image) is displayed on the windshield WS by reflecting the image light emitted by the plurality of display elements on the windshield WS.
- the image I1 displayed on the windshield WS does not have the same shape (similar shape) as the arrangement of a plurality of display elements, but has the shape of the target image.
- the target image can be displayed on the windshield WS having a curved surface without using an optical element such as a combiner or a lens.
- the shape of the windshield WS differs depending on the vehicle model. Therefore, the optimum arrangement of display elements for the windshield WS differs depending on the vehicle model. It is not economically feasible to manufacture display devices having different arrangements for each vehicle type.
- the display device 1 is configured by combining a plurality of blocks (divided boards) including the same number of display elements. The lengths of each block in the Y'direction are all equal, and the lengths of adjacent blocks in the X'direction are equal. This makes it possible to combine a plurality of blocks without gaps. Further, by using a plurality of blocks having different lengths in the X'direction, it is possible to cope with different curvatures of the curved surface of the windshield WS.
- a block whose length in the X'direction is longer as the curvature of the curved surface of the windshield WS is smaller an image closer to the target image (rectangle) is displayed even if the curvature of the curved surface of the windshield WS is smaller. I can plan that.
- the failure can be easily dealt with by exchanging one block including the display element.
- the board on which all the display elements are mounted must be replaced. Therefore, it is economically advantageous to combine a plurality of blocks (divided boards) on which display elements are mounted.
- By combining a plurality of blocks of different types it is possible to manufacture display devices having various different shapes (lengths in the X'direction, lengths in the Y'direction, and shapes having different curvatures). Further, although the number of display elements included in each block is the same, it may be changed.
- each block may be changed.
- the lengths of the radial lengths Ya, Yb, and Yc of each block may be changed so that the shapes of the blocks are similar to each other.
- This disclosure may have the following configurations.
- a plurality of display elements that emit image light onto a screen having a curved surface, and the plurality of display elements so that a target image is displayed by reflecting the image light emitted by the plurality of display elements on the curved surface.
- a display device including a plurality of display elements arranged so that the distance between the display elements is not uniform.
- the target image is rectangular and
- the plurality of display elements are in a direction corresponding to two orthogonal sides of the rectangle so that a rectangular image is displayed by reflecting the image light emitted by the plurality of display elements on the curved surface.
- a plurality of columns of display elements are arranged in the first direction, and the number of the plurality of display elements contained in each column arranged in the first direction is equal.
- a display device in which a plurality of columns of display elements are arranged in the second direction, and the number of the plurality of display elements included in each column arranged in the second direction is the same. (5) The display device according to (4) above.
- the plurality of display elements are a display device configured by combining a plurality of blocks divided in the first direction and the second direction. (7) The display device according to (6) above.
- the number of the plurality of display elements contained in each of the plurality of blocks in the first direction is equal.
- a display device in which the number of the plurality of display elements contained in each of the plurality of blocks in the second direction is equal.
- the plurality of blocks are each fan-shaped and have a fan shape.
- a display device in which the first direction is the circumferential direction of the sector and the second direction is the radial direction of the sector.
- the plurality of blocks are trapezoidal, respectively.
- a display device in which the first direction is the base direction of the trapezoid and the second direction is the hypotenuse direction of the trapezoid.
- (12) The display device according to the above (1) to (11).
- a display device in which the plurality of display elements are a plurality of pixels.
- (13) The display device according to the above (1) to (12).
- a display device in which the plurality of display elements are a plurality of subpixels.
- a plurality of display elements that emit image light onto a screen having a curved surface, and the plurality of display elements so that a target image is displayed by reflecting the image light emitted by the plurality of display elements on the curved surface.
- a display control device that generates image drawing data and outputs it to the display device, Display system equipped with.
- Display device 10 Display control device 100 Display system 110 Content acquisition unit 120 Distortion correction processing unit 130 Output unit 210 Display device control unit 220 Display device 30 Content generation system DB Dashboard I1, I2 Image WS Windshield a, b, c, d blocks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Instrument Panels (AREA)
Abstract
Description
前記第2の画像光を出射する複数の表示エレメント同士の間隔が、前記第1の画像光を出射する複数の表示エレメント同士の間隔より広くなるように、前記複数の表示エレメントが配列される。
前記複数の表示エレメントが出射する前記画像光が前記曲面に反射することにより長方形の画像が表示されるように、前記複数の表示エレメントは、前記長方形の直交する2辺に相当する方向である第1の方向及び第2の方向に配列され、
前記第1の方向に複数列の表示エレメントが配列され、前記第1の方向に配列された各列に含まれる複数の表示エレメントの数は等しく、
前記第2の方向に複数列の表示エレメントが配列され、前記第2の方向に配列された各列に含まれる複数の表示エレメントの数は等しい。
前記第1の方向に配列され、前記1辺の対辺となる他の1辺を表示するための画像光を出力する第2の列の表示エレメントの両端の表示エレメント同士の距離と、
が異なるように、前記複数の表示エレメントが配列される。
前記複数のブロックそれぞれに含まれる前記複数の表示エレメントの前記第2の方向の数は等しい。
前記第1の方向は前記扇形の周方向であり、前記第2の方向は前記扇形の径方向でもよい。
前記第1の方向は前記台形の底辺方向であり、前記第2の方向は前記台形の斜辺方向でもよい。
曲面を有するスクリーンに画像光を出射する複数の表示エレメントであって、前記複数の表示エレメントが出射する前記画像光が前記曲面に反射することにより目標とする画像が表示されるように、前記複数の表示エレメント同士の間隔が不均一になるように配列された、複数の表示エレメントを有する表示装置と、
画像描画データを生成し、前記表示装置に出力する表示制御装置と、
を具備する。
また、扇形(図3、図4、図5)の周方向の弧を線分で近似した多角形を用いても良い。ここでは、周方向の弧を線分で近似した多角形は台形も含むものとする。図8は周方向の弧を線分で近似した多角形(矢羽形)を隙間無く扇形に組み合わせた表示装置6の例であって、台形と異なる多角形(矢羽形)の例である。
また、ブロックが多角形(例:台形、線分で近似した多角形)で、図5と同様に径の位置が同じで周方向に複数のブロックを並べる場合、弧に対応する線分の長さが異なる複数のブロックを用いることで、フロントガラスWSの曲面の異なる曲率に対応可能である。
また、各ブロックに含まれる表示エレメント数は同じとしたが、変えても良い。
また、各ブロックの径方向の長さYa,Yb,Ycは同じとしたが、Ya,Yb,Ycの長さを変えても良い。なお各ブロックの形状が等脚台形の場合は、各ブロックの径方向の長さYa,Yb,Ycの長さを変えて、各ブロックの形状は互いに相似となるようにしても良い。
曲面を有するスクリーンに画像光を出射する複数の表示エレメントであって、前記複数の表示エレメントが出射する前記画像光が前記曲面に反射することにより目標とする画像が表示されるように、前記複数の表示エレメント同士の間隔が不均一になるように配列された、複数の表示エレメント
を具備する表示装置。
(2)
上記(1)に記載の表示装置であって、
前記曲面が前記画像光を反射することにより、前記画像光の一部である第1の画像光により表示される画像の一部は、前記画像光の他の一部である第2の画像光により表示される前記画像の他の一部より、拡大して表示され、
前記第2の画像光を出射する複数の表示エレメント同士の間隔が、前記第1の画像光を出射する複数の表示エレメント同士の間隔より広くなるように、前記複数の表示エレメントが配列される
表示装置。
(3)
上記(1)又は(2)に記載の表示装置であって、
前記目標とする画像の形に配列された仮想的な複数の表示エレメントから仮想的な画像光を前記スクリーンに出射したときに前記仮想的な画像光が前記曲面に反射することにより表示される仮想的な画像と相似形に、前記複数の表示エレメントが配列される
表示装置。
(4)
上記(1)乃至(3)の何れかに記載の表示装置であって、
目標とする画像は長方形であり、
前記複数の表示エレメントが出射する前記画像光が前記曲面に反射することにより長方形の画像が表示されるように、前記複数の表示エレメントは、前記長方形の直交する2辺に相当する方向である第1の方向及び第2の方向に配列され、
前記第1の方向に複数列の表示エレメントが配列され、前記第1の方向に配列された各列に含まれる複数の表示エレメントの数は等しく、
前記第2の方向に複数列の表示エレメントが配列され、前記第2の方向に配列された各列に含まれる複数の表示エレメントの数は等しい
表示装置。
(5)
上記(4)に記載の表示装置であって、
前記第1の方向に配列され、前記長方形の1辺を表示するための画像光を出力する第1の列の表示エレメントの両端の表示エレメント同士の距離と、
前記第1の方向に配列され、前記1辺の対辺となる他の1辺を表示するための画像光を出力する第2の列の表示エレメントの両端の表示エレメント同士の距離と、
が異なるように、前記複数の表示エレメントが配列される
表示装置。
(6)
上記(4)又は(5)に記載の表示装置であって、
前記複数の表示エレメントは、前記第1の方向及び前記第2の方向に分割された複数のブロックが組み合わせられることにより構成される
表示装置。
(7)
上記(6)に記載の表示装置であって、
前記複数のブロックの前記第2の方向の長さは全て等しい
表示装置。
(8)
上記(6)又は(7)に記載の表示装置であって、
前記複数のブロックの前記第1の方向の長さは、前記複数のブロックに含まれる複数の表示エレメントが出射する画像光が反射する曲面の曲率に拠って異なる
表示装置。
(9)
上記(6)乃至(8)の何れかに記載の表示装置であって、
前記複数のブロックそれぞれに含まれる前記複数の表示エレメントの前記第1の方向の数は等しく、
前記複数のブロックそれぞれに含まれる前記複数の表示エレメントの前記第2の方向の数は等しい
表示装置。
(10)
上記(6)乃至(9)に記載の表示装置であって、
前記複数のブロックは、それぞれ扇形であり、
前記第1の方向は前記扇形の周方向であり、前記第2の方向は前記扇形の径方向である
表示装置。
(11)
上記(6)乃至(9)に記載の表示装置であって、
前記複数のブロックは、それぞれ台形であり、
前記第1の方向は前記台形の底辺方向であり、前記第2の方向は前記台形の斜辺方向である
表示装置。
(12)
上記(1)乃至(11)に記載の表示装置であって、
前記複数の表示エレメントは、複数のピクセルである
表示装置。
(13)
上記(1)乃至(12)に記載の表示装置であって、
前記複数の表示エレメントは、複数のサブピクセルである
表示装置。
(14)
上記(1)乃至(13)に記載の表示装置であって、
前記複数の表示エレメントを前記スクリーンに対して移動させて画像の位置を調節する移動機構
をさらに具備する表示装置。
(15)
曲面を有するスクリーンに画像光を出射する複数の表示エレメントであって、前記複数の表示エレメントが出射する前記画像光が前記曲面に反射することにより目標とする画像が表示されるように、前記複数の表示エレメント同士の間隔が不均一になるように配列された、複数の表示エレメントを有する表示装置と、
画像描画データを生成し、前記表示装置に出力する表示制御装置と、
を具備する表示システム。
10 表示制御装置
100 表示システム
110 コンテンツ取得部
120 歪補正処理部
130 出力部
210 表示デバイス制御部
220 表示デバイス
30 コンテンツ生成システム
DB ダッシュボード
I1、I2 画像
WS フロントガラス
a、b、c、d ブロック
Claims (15)
- 曲面を有するスクリーンに画像光を出射する複数の表示エレメントであって、前記複数の表示エレメントが出射する前記画像光が前記曲面に反射することにより目標とする画像が表示されるように、前記複数の表示エレメント同士の間隔が不均一になるように配列された、複数の表示エレメント
を具備する表示装置。 - 請求項1に記載の表示装置であって、
前記曲面が前記画像光を反射することにより、前記画像光の一部である第1の画像光により表示される画像の一部は、前記画像光の他の一部である第2の画像光により表示される前記画像の他の一部より、拡大して表示され、
前記第2の画像光を出射する複数の表示エレメント同士の間隔が、前記第1の画像光を出射する複数の表示エレメント同士の間隔より広くなるように、前記複数の表示エレメントが配列される
表示装置。 - 請求項1に記載の表示装置であって、
前記目標とする画像の形に配列された仮想的な複数の表示エレメントから仮想的な画像光を前記スクリーンに出射したときに前記仮想的な画像光が前記曲面に反射することにより表示される仮想的な画像と相似形に、前記複数の表示エレメントが配列される
表示装置。 - 請求項1に記載の表示装置であって、
目標とする画像は長方形であり、
前記複数の表示エレメントが出射する前記画像光が前記曲面に反射することにより長方形の画像が表示されるように、前記複数の表示エレメントは、前記長方形の直交する2辺に相当する方向である第1の方向及び第2の方向に配列され、
前記第1の方向に複数列の表示エレメントが配列され、前記第1の方向に配列された各列に含まれる複数の表示エレメントの数は等しく、
前記第2の方向に複数列の表示エレメントが配列され、前記第2の方向に配列された各列に含まれる複数の表示エレメントの数は等しい
表示装置。 - 請求項4に記載の表示装置であって、
前記第1の方向に配列され、前記長方形の1辺を表示するための画像光を出力する第1の列の表示エレメントの両端の表示エレメント同士の距離と、
前記第1の方向に配列され、前記1辺の対辺となる他の1辺を表示するための画像光を出力する第2の列の表示エレメントの両端の表示エレメント同士の距離と、
が異なるように、前記複数の表示エレメントが配列される
表示装置。 - 請求項4に記載の表示装置であって、
前記複数の表示エレメントは、前記第1の方向及び前記第2の方向に分割された複数のブロックが組み合わせられることにより構成される
表示装置。 - 請求項6に記載の表示装置であって、
前記複数のブロックの前記第2の方向の長さは全て等しい
表示装置。 - 請求項6に記載の表示装置であって、
前記複数のブロックの前記第1の方向の長さは、前記複数のブロックに含まれる複数の表示エレメントが出射する画像光が反射する曲面の曲率に拠って異なる
表示装置。 - 請求項6に記載の表示装置であって、
前記複数のブロックそれぞれに含まれる前記複数の表示エレメントの前記第1の方向の数は等しく、
前記複数のブロックそれぞれに含まれる前記複数の表示エレメントの前記第2の方向の数は等しい
表示装置。 - 請求項6に記載の表示装置であって、
前記複数のブロックは、それぞれ扇形であり、
前記第1の方向は前記扇形の周方向であり、前記第2の方向は前記扇形の径方向である
表示装置。 - 請求項6に記載の表示装置であって、
前記複数のブロックは、それぞれ台形であり、
前記第1の方向は前記台形の底辺方向であり、前記第2の方向は前記台形の斜辺方向である
表示装置。 - 請求項1に記載の表示装置であって、
前記複数の表示エレメントは、複数のピクセルである
表示装置。 - 請求項1に記載の表示装置であって、
前記複数の表示エレメントは、複数のサブピクセルである
表示装置。 - 請求項1に記載の表示装置であって、
前記複数の表示エレメントを前記スクリーンに対して移動させて画像の位置を調節する移動機構
をさらに具備する表示装置。 - 曲面を有するスクリーンに画像光を出射する複数の表示エレメントであって、前記複数の表示エレメントが出射する前記画像光が前記曲面に反射することにより目標とする画像が表示されるように、前記複数の表示エレメント同士の間隔が不均一になるように配列された、複数の表示エレメントを有する表示装置と、
画像描画データを生成し、前記表示装置に出力する表示制御装置と、
を具備する表示システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21906227.0A EP4266293A4 (en) | 2020-12-16 | 2021-11-15 | DISPLAY DEVICE AND DISPLAY SYSTEM |
CN202180082986.XA CN116569242A (zh) | 2020-12-16 | 2021-11-15 | 显示装置和显示系统 |
US18/255,105 US20240019695A1 (en) | 2020-12-16 | 2021-11-15 | Display apparatus and display system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020208457A JP2024015460A (ja) | 2020-12-16 | 2020-12-16 | 表示装置及び表示システム |
JP2020-208457 | 2020-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022130863A1 true WO2022130863A1 (ja) | 2022-06-23 |
Family
ID=82059048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/041835 WO2022130863A1 (ja) | 2020-12-16 | 2021-11-15 | 表示装置及び表示システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240019695A1 (ja) |
EP (1) | EP4266293A4 (ja) |
JP (1) | JP2024015460A (ja) |
CN (1) | CN116569242A (ja) |
WO (1) | WO2022130863A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10149085A (ja) * | 1996-11-20 | 1998-06-02 | Asahi Glass Co Ltd | ホログラフィック表示装置 |
JPH1130764A (ja) * | 1997-07-11 | 1999-02-02 | Shimadzu Corp | 表示装置 |
JP2011158703A (ja) * | 2010-02-01 | 2011-08-18 | Seiko Epson Corp | 電気光学装置及び電子機器 |
JP2020098270A (ja) * | 2018-12-18 | 2020-06-25 | 株式会社デンソー | 虚像表示装置 |
JP2020129067A (ja) * | 2019-02-08 | 2020-08-27 | 株式会社Jvcケンウッド | 表示装置および表示装置の設置方法 |
JP2020160296A (ja) * | 2019-03-27 | 2020-10-01 | 日本精機株式会社 | 表示装置 |
JP2020190677A (ja) | 2019-05-23 | 2020-11-26 | 株式会社デンソー | ヘッドアップディスプレイ装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7258448B2 (en) * | 2004-03-25 | 2007-08-21 | Calsonic Kansei Corporation | Display device |
CN111861865B (zh) * | 2019-04-29 | 2023-06-06 | 精工爱普生株式会社 | 电路装置、电子设备以及移动体 |
-
2020
- 2020-12-16 JP JP2020208457A patent/JP2024015460A/ja active Pending
-
2021
- 2021-11-15 CN CN202180082986.XA patent/CN116569242A/zh active Pending
- 2021-11-15 WO PCT/JP2021/041835 patent/WO2022130863A1/ja active Application Filing
- 2021-11-15 EP EP21906227.0A patent/EP4266293A4/en active Pending
- 2021-11-15 US US18/255,105 patent/US20240019695A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10149085A (ja) * | 1996-11-20 | 1998-06-02 | Asahi Glass Co Ltd | ホログラフィック表示装置 |
JPH1130764A (ja) * | 1997-07-11 | 1999-02-02 | Shimadzu Corp | 表示装置 |
JP2011158703A (ja) * | 2010-02-01 | 2011-08-18 | Seiko Epson Corp | 電気光学装置及び電子機器 |
JP2020098270A (ja) * | 2018-12-18 | 2020-06-25 | 株式会社デンソー | 虚像表示装置 |
JP2020129067A (ja) * | 2019-02-08 | 2020-08-27 | 株式会社Jvcケンウッド | 表示装置および表示装置の設置方法 |
JP2020160296A (ja) * | 2019-03-27 | 2020-10-01 | 日本精機株式会社 | 表示装置 |
JP2020190677A (ja) | 2019-05-23 | 2020-11-26 | 株式会社デンソー | ヘッドアップディスプレイ装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP4266293A4 |
Also Published As
Publication number | Publication date |
---|---|
EP4266293A4 (en) | 2024-05-15 |
CN116569242A (zh) | 2023-08-08 |
US20240019695A1 (en) | 2024-01-18 |
EP4266293A1 (en) | 2023-10-25 |
JP2024015460A (ja) | 2024-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10663721B2 (en) | Image display apparatus and object apparatus | |
JP6555507B2 (ja) | 画像表示装置及び移動体 | |
JP6579485B2 (ja) | 光走査装置、画像表示装置及び物体装置 | |
JP2016206563A (ja) | 画像表示装置及び物体装置 | |
US10209674B2 (en) | Floating image display device | |
EP2945000A1 (en) | Image display apparatus | |
KR102614146B1 (ko) | 차량용 조명장치 | |
JP2018018706A (ja) | 照明装置およびヘッドアップディスプレイ装置 | |
KR101940946B1 (ko) | 헤드업 디스플레이 장치 | |
KR20180113612A (ko) | 헤드업 디스플레이 장치 | |
JP2020098270A (ja) | 虚像表示装置 | |
US20210031682A1 (en) | Display device and vehicle | |
US10884296B2 (en) | Display device | |
JP2015225216A (ja) | 画像表示装置 | |
JP7048792B2 (ja) | 車載用表示装置 | |
WO2022130863A1 (ja) | 表示装置及び表示システム | |
JP2006103589A (ja) | 車両用表示装置 | |
JP7110125B2 (ja) | 表示装置 | |
WO2013051086A1 (ja) | ヘッドアップディスプレイ | |
WO2020003611A1 (ja) | ヘッドアップディスプレイおよびヘッドアップディスプレイを搭載した移動体 | |
US20170242246A1 (en) | Head up display apparatus and image display apparatus | |
US11567314B2 (en) | Image display apparatus and mobile apparatus | |
TW202204938A (zh) | 空中顯示裝置 | |
KR100929960B1 (ko) | 영상 구현 장치 및 이에 있어서 스크린 구조물 | |
JP6850422B2 (ja) | 画像表示装置 |
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: 21906227 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18255105 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202180082986.X Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021906227 Country of ref document: EP Effective date: 20230717 |
|
NENP | Non-entry into the national phase |
Ref country code: JP |