JP2015049069A - Display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device including a display board and a display panel adjacent to one another, which allows securing a display area.SOLUTION: The display device comprises: a light source 3; a pointer 1 illuminated with light emitted from the light source 3; a display board 2 disposed behind the pointer 1 with a prescribed distance, and including a transmission display part transmitting light therethrough and a non-transmission part not transmitting light; a light guide body 8 disposed behind the display board 2; and a display panel 4 disposed on a rear side of the light guide body 8 so that at least a part thereof is overlapped with the transmission display part. The display board 2 has a first display section 21 including a first index part 220 indicated by the pointer 1; and a second display section 22 adjacent to the first display section 21. Since the display panel 4 is visually recognized through the second display section 22, an observer can visually recognize an indication image 41 on the display panel 4 through a dot pattern layer 21b.

Description

  The present invention relates to a display device that guides light emitted from a light source with a light guide to illuminate a pointer, and particularly relates to a display device having a plurality of display areas.

  Conventionally, a pointer that rotates on a display board is formed from a light-transmitting member, a light source is disposed behind the display board, and illumination light from the light source is supplied to the pointer through a through-hole of the display board. A display device that shines the light is known (Patent Document 1). There is also known a display device including a display unit that displays various information by disposing a display panel behind a display board (Patent Document 2).

JP 2013-44621 A JP 2012-194138 A

  However, in the configuration of the display device according to Patent Document 2, since the display plate and the display portion of the display panel are arranged to overlap each other, the end portion of the display panel is configured to be covered with the dial plate, and the display area is narrowed. There has been a problem of securing a display area.

  The present invention has been made in view of the above circumstances, and provides a display device capable of securing a display area even in a display device in which a display panel and a display panel are arranged to overlap each other. And

The display device according to the present invention includes a light source, a pointer illuminated by light emitted from the light source, a transmissive display unit that is disposed behind the pointer at a predetermined distance and transmits light, and does not transmit light. A display plate having an opaque portion, a light transmissive member disposed behind the display plate, and disposed behind the light transmissive member so that at least a portion thereof overlaps the opaque portion. In a display device comprising a display panel,
The display board includes a first display unit having a first indicator unit indicated by the pointer, and a second display unit adjacent to the first display unit, and the display panel includes: It is visually recognized through the second display unit.

  Further, the display device according to the present invention is characterized in that the second display unit has a second indicator part arranged so as to be visually recognized continuously with the first indicator part. To do.

The display device according to the present invention is characterized in that the display panel displays an instruction image for instructing the second indicator section.

The display device according to the present invention is characterized in that a luminance adjustment layer is formed on the front surface of the transmissive display portion and the non-transmissive portion.

The display device according to the present invention is characterized in that the opaque portion has a gradation portion at a boundary between the first display portion and the second display portion.

  According to the present invention, it is possible to provide a display device that can secure a display area even when the display device is adjacent to the display panel.

The front view and sectional drawing of the display apparatus which concern on 1st Embodiment of this invention. The cross-sectional enlarged view of the display apparatus shown in FIG. The enlarged view of the display apparatus shown in FIG.

  A vehicle display device according to an embodiment of the present invention will be described with reference to the drawings.

  The vehicle display device includes a pointer 1, a display plate 2, a light source 3, a display panel 4, a drive main body 5, a pointer shaft 6, a case body 7, a light guide body 8, and a circuit board 9. It is mainly composed.

  The pointer 1 is made of a light-transmitting pointer main body 10 made of polycarbonate or acrylic synthetic resin, and a black-colored light-shielding synthetic resin that covers the front and the periphery of the rotation center region of the pointer main body 10 and has a rear opening. A cap-shaped light-shielding cover 11 that is a light-shielding member, and a disk-shaped base (not shown) made of a black-colored light-shielding synthetic resin that is fixed behind the rotation center region of the pointer main body 10. .

  As shown in FIG. 2, the display panel 2 is visually recognized on the surface of the substrate 2 a made of a transparent synthetic resin so as to overlap the display panel 4 with the first display unit 21 surrounding the periphery of the pointer 1 of the analog meter. 2 and the 3rd display part 23 which can see through the display panel 4 by the transparent part in which the colored layer of the display board 2 is not formed.

  In the first display unit 21, a black opaque layer 21a is formed on the substrate 2a, and a honeycomb-shaped dot pattern layer 21b made of dark gray or the like is formed on the opaque layer 21a. Next, after forming the light transmission layer (white) 21c to be the first indicator portion 210 made of scales and numerals on the dot pattern layer 21b, and the border layer (black) 21d of the light transmission layer 21c, Overcoat layer 21e is laminated.

  The second display unit 22 is a portion where the printed layer of the display board 2 and the display panel 4 overlap when viewed from the observer, and the portion where the opaque layer 21a is not formed. The second display section 22 has a gradation section 22a formed so as to gradually and gradually become denser from the black opaque layer 21a on the substrate 2a. A dot pattern layer 21b is formed on the gradation portion 22a. A light transmission layer (white) 22c to be the second indicator portion 220 on the dot pattern layer 21b and a border layer (black) 22d of the light transmission layer. After forming, overcoat layer 21e is laminated. At this time, the first indicator portion 210 and the second indicator portion 220 are arranged so that the respective scales and numbers can be viewed continuously.

  In addition, the dot pattern layer 21b can adjust the light transmittance by changing the density of the shape, and FIG. 3A shows a form in which dots are roughly formed, and FIG. Shows a form in which dots are densely formed.

  The third display unit 23 can be seen through the display panel 4 because the opaque layer 21a and the dot pattern layer 21b are not formed on the transparent substrate and only the overcoat layer 21e is coated.

  The dot pattern layer 21b is not limited to the honeycomb shape, and may have a mesh structure. For example, the same effect can be obtained even if the dot pattern layer 21b has a triangular shape or a quadrangular shape.

The light source 3 is a surface-mountable light emitting diode, and a plurality of light sources 3 are provided around the pointer shaft 6.

  As the display panel 4, for example, a TFT display can be used, and the display plate 2 is disposed on the front side thereof. In the place where the display panel 4 and the second display unit 22 overlap, an instruction image 41 that instructs the second indicator unit 220 from the back is displayed.

  The instruction image 41 represents, for example, a red zone value range and a shift-up warning value range of the rotational speed, a speed limit speed value range, a cruise control set value range, and the like using a belt-shaped instruction bar, a warning mark, or the like.

  The light guide 8 is made of a light-transmitting synthetic resin, and receives a light receiving portion 81 that receives light emitted from the light source 3 and an emission portion 82 that emits light guided through the light guide 8 to the display plate. And have.

  In such a vehicular display device, a part of the light from the light source 3 enters the inside of the pointer main body 10 from a light receiving portion (not shown) provided on the back side of the pointer base, and illuminates the pointer 1. Other light enters the light guide 8 from the light receiving portion 81 of the light guide 8, is guided into the light guide 8 from the output portion 82, and travels while being irregularly reflected in the light guide 8. The display board 2 is reached.

  Of the light that is guided by the light guide 8 and illuminates the display panel 2, the light that reaches the first display unit 21 is blocked by the non-transmissive layer 21a, and therefore only the first indicator unit 210 is illuminated. Further, the light reaching the second display unit 22 is transmitted through a portion where the non-transmissive layer 21a is not formed, and is transmitted through the dot pattern layer 21b and the light transmissive layer (white) 22c. The edged second indicator 220 is illuminated.

  The boundary between the first display unit 21 and the second display unit 22 is formed so that the gradation portion 22a gradually increases in transmittance, so that the boundary line can be blurred. Further, by making the dot arrangement of the dot pattern layer 21b and the gradation portion 22a not in the same direction as each other, the boundary line can be further blurred.

As described above, the present invention includes the light source 3, the pointer 1 that is illuminated by the light emitted from the light source 3, the transmissive display unit that is disposed at a predetermined distance behind the pointer 1, and transmits light. Display panel 2 provided with a non-transmissive portion that does not transmit, light guide body 8 disposed behind display panel 2, and disposed behind light guide body 8 so that at least a portion thereof overlaps with the non-transmissive portion. A display device for a vehicle comprising:
The display board 2 includes a first display unit 21 having a first indicator unit 220 indicated by the pointer 1, and a second display unit 22 adjacent to the first display unit 21, and a display panel. By being visually recognized through the second display unit 22, the display area 4 can be secured even if the display panel 2 and the display panel 4 are arranged to overlap each other.

  In addition, according to the present invention, the second display unit 22 includes the second indicator unit 220 disposed so as to be visually recognized continuously with the first indicator unit 210, thereby providing a plurality of display units. Even if the display device for a vehicle is formed, it is possible to obtain a sense of unity by continuously viewing the indicator portion.

  Further, according to the present invention, the display panel 4 displays the instruction image 41 indicating the second index unit 220, so that the observer can visually recognize the instruction image 41 on the display panel 4 through the dot pattern layer 21b. Can do.

  In the present invention, since the dot pattern layer 21b is formed on the front surface of the transmissive display portion and the non-transmissive layer 21a, the transmittance can be adjusted by the density of the dot pattern layer 21b. The instruction image 41 on the display panel 4 can be viewed through the dot pattern layer 21b without obstructing the design image.

  Further, according to the present invention, the opaque layer 21 a includes the gradation portion 21 b at the boundary portion between the first display portion 21 and the second display portion 22. Since the boundary line with the display unit 22 can be blurred, a sense of unity can be obtained even in a display device having a plurality of display units.

DESCRIPTION OF SYMBOLS 1 Pointer 2 Display board 3 Light source 4 Display panel 5 Drive body 6 Pointer shaft 7 Through-hole 8 Light guide (light transmissive member)
9 Circuit board 10 Pointer body 21 First display portion 21a Non-transparent layer (impermeable portion)
21b Dot pattern layer (brightness adjustment layer)
21c, 22c opaque layer (black)
21d, 22d Light transmission layer (white)
21e Overcoat layer 22 2nd display part (transmission display part)
22a Gradation part 23 Third display part (transparent display part)
81 Light-receiving unit 82 Emitting unit 210 First index unit 220 Second index unit

Claims (5)

A display comprising: a light source; a pointer illuminated by light emitted from the light source; and a transmissive display portion that is disposed behind the pointer at a predetermined distance and transmits light and a non-transmissive portion that does not transmit light. A display comprising: a plate; a light transmissive member disposed behind the display plate; and a display panel disposed on the back side of the light transmissive member so that at least part of the light transmissive member overlaps the non-transmissive portion. In the device
The display board includes a first display unit having a first indicator unit indicated by the pointer, and a second display unit adjacent to the first display unit, and the display panel includes: A display device characterized by being visually recognized through the second display portion.   The display device according to claim 1, wherein the second display unit includes a second index unit arranged so as to be visually recognized continuously with the first index unit.   The display device according to claim 1, wherein the display panel displays an instruction image that indicates the second index unit.   The display device according to claim 1, wherein a luminance adjustment layer is formed on a front surface of the transmissive display unit and the background unit.   The said background part has a gradation part in the boundary part of the said 1st display part and the said 2nd display part, The any one of Claims 1-4 characterized by the above-mentioned. Display device.

Images