JP2023122689A - Display device and display method - Google Patents

Abstract

To provide a display device which offers improved designability, and a display method.SOLUTION: A display device according to an embodiment comprises a first display unit and a second display unit. The first display unit has a display area for displaying an image. The second display unit displays an image corresponding to a background image of the display area in a peripheral area outside the display area.SELECTED DRAWING: Figure 5

Description

The present invention relates to technology for improving designability.

2. Description of the Related Art Conventionally, there is known a display device that emits light from the periphery of a display area (see, for example, Patent Document 1).

JP 2021-173899 A

However, in the conventional display device, the light emitted from the peripheral portion is used as a predetermined operation light and warning light, and there is a foreseeable improvement from the viewpoint of improving the design which is the good appearance.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a display device and a display method that improve designability.

A display device according to an aspect of an embodiment includes a first display section and a second display section. The first display section has a display area in which an image is displayed. The second display section displays a background image of the display area in the peripheral area, which is an area outside the display area.

According to one aspect of the embodiment, designability can be improved.

FIG. 1 is a diagram showing an arrangement example of a display device according to the first embodiment. FIG. 2 is a front view of the display device according to the first embodiment. FIG. 3 is a sectional view taken along line III--III in FIG. FIG. 4 is a flowchart for explaining control processing of the light emitting element according to the first embodiment. FIG. 5 is a diagram showing an example in which a background image is displayed in the display area. FIG. 6 is a diagram showing an example in which the background image is not displayed in the display area. FIG. 7 is a diagram showing part of the display device according to the modification when a background image is displayed. FIG. 8 is a front view of the display device according to the second embodiment. 9 is a cross-sectional view taken along line IX-IX of FIG. 8. FIG. FIG. 10 is a diagram showing a display example on the display device according to the second embodiment. FIG. 11 is a flowchart for explaining control processing of the light emitting element according to the second embodiment.

A display device and a display method will be described in detail below with reference to the accompanying drawings. In addition, this invention is not limited by embodiment shown below.

(First embodiment)
The display device 1 according to the first embodiment is mounted on a vehicle 10, for example. The display device 1 is provided on an instrument panel 13, for example, as shown in FIG. FIG. 1 is a diagram showing an arrangement example of a display device 1 according to the first embodiment. The display device 1 may be provided above the dashboard 11 . The dashboard 11 shows all the interior parts in front of the front seats on the windshield 12 side of the vehicle 10 .

The display device 1 includes, for example, a car navigation device. The display device 1 may be a display device connected to a car navigation device. The display device 1 may be a display device that is not connected to the car navigation device. The display device 1 may be equipped with a touch panel.

The display device 1 includes a cover plate 20, a first display section 21, a second display section 22, and a control section 23, as shown in FIG. FIG. 2 is a front view of the display device 1 according to the first embodiment. The cover plate 20 is made of materials such as resin and glass, for example. The cover plate 20 is configured so that an image displayed by the first display unit 21 can be visually recognized from the outside. The cover plate 20 is transparent. In the following description, the side of the display device 1 where an image is viewed is referred to as the "front", and the side opposite to the front is referred to as the "rear".

Note that the cover plate 20 may be formed integrally with the instrument panel 13 . Further, for example, when the display device 1 is provided on the dashboard 11 , the cover plate 20 may be formed integrally with the dashboard 11 .

The first display unit 21 is, for example, a TFT (Thin Film Transistor) liquid crystal panel, an organic EL (Electro Luminescence) panel, a plasma panel, or the like. The first display section 21 has a display area 21a. The display area 21a is an area where an image is displayed. The images include images displaying information about the car navigation system, information about the audio system, and the like. Images include information obtained from the Internet and images that display moving images such as television images. The image may include an image for setting the operation of the display device 1 . The image may include an image showing the running state of the vehicle 10 .

A light shielding portion 24 is provided around the first display portion 21 . The light shielding portion 24 is provided along the outer edge of the first display portion 21 . The light shielding portion 24 is formed so as to surround the display area 21a. The light shielding part 24 is formed by printing the back side of the cover plate 20 with black light shielding ink, for example. A frame may be formed along the light shielding portion 24 on the rear side of the light shielding portion 24 .

The images displayed in the display area 21a include the background image P1 (see FIG. 5). The background image P1 is preset. The display of the background image P1 is switched according to the image displayed in the display area 21a.

For example, when an image related to the audio system is displayed in the display area 21a, an image in which information related to the audio system is displayed in the background image P1 is displayed in the display area 21a. When an image for setting the operation of the display device 1 is displayed in the display area 21a, an image in which a button for setting the operation of the display device 1 is displayed in the background image P1 is displayed in the display area 21a.

For example, when an image of a car navigation system and a moving image such as a television image are displayed in the display area 21a, the background image P1 is not displayed in the display area 21a.

The second display section 22 is provided outside the display area 21 a of the first display section 21 . The second display section 22 is provided separately from the first display section 21 . The second display unit 22 displays on the peripheral area 22a according to the background image P1 of the display area 21a. The peripheral area 22a is an area outside the display area 21a. For example, the peripheral area 22a is an area outside the light shielding portion 24 . The second display section 22 includes a light emitting element 25 as shown in FIG. FIG. 3 is a sectional view taken along line III--III in FIG. The light emitting element 25 is, for example, an LED (Light Emitting Diode). A plurality of light emitting elements 25 are provided. The light emitting element 25 illuminates the peripheral region 22a from the back side. Specifically, the light emitting element 25 illuminates the peripheral region 22a from the rear surface side of the cover plate 20 . The light emitting element 25 emits light from the back side toward at least the front side.

The second display portion 22 has a pattern portion 26 . The pattern portion 26 is provided on the rear surface of the cover plate 20 in the peripheral edge region 22a. The pattern portion 26 is formed by printing the back surface of the cover plate 20, for example. The pattern portion 26 may be configured by attaching a filter to the back surface of the cover plate 20 . The pattern portion 26 may be, for example, a half-deposited film. The pattern portion 26 is provided so as to display a pattern corresponding to the background image P1 of the display area 21a.

The control unit 23 controls display on the first display unit 21 and the second display unit 22 . The control unit 23 is provided, for example, on the back side of the first display unit 21 . The control unit 23 is provided, for example, on the circuit board of the first display unit 21 . The control unit 23 includes a microcomputer having a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and various circuits. Note that the control unit 23 may be configured by hardware such as an ASIC (Application Specific Integrated Circuit) or an FPGA (Field Programmable Gate Array). The control unit 23 functions as the control unit 23 by causing the CPU to execute programs stored in the ROM using the RAM as a work area.

The control unit 23 switches between lighting and extinguishing of the light emitting element 25 in the second display unit 22 according to the image displayed in the display area 21 a of the first display unit 21 .

The control unit 23 determines whether or not the background image P1 is displayed in the display area 21a. When the background image P1 is displayed in the display area 21a, the control unit 23 turns on the light emitting element 25. FIG. For example, when an image related to the audio system or an image for setting the operation of the display device 1 is displayed in the display area 21a, the control unit 23 lights the light emitting element 25. FIG.

When the background image P1 is not displayed in the display area 21a, the control unit 23 turns off the light emitting element 25. FIG. For example, when an image of a car navigation system, a television image, or the like is displayed in the display area 21a, the control unit 23 extinguishes the light-emitting element 25 .

Next, control processing of the light emitting element 25 according to the first embodiment will be described with reference to FIG. FIG. 4 is a flowchart for explaining control processing of the light emitting element 25 according to the first embodiment.

The control unit 23 causes the display area 21a to display an image (S100). The control unit 23 causes the display area 21a to display an image according to the user's operation. For example, when an image related to the audio system is displayed on the first display unit 21, an image in which information related to the audio system is displayed in the background image P1 is displayed in the display area 21a. When an image related to the car navigation system is displayed on the first display unit 21, the image related to the car navigation system is displayed in the display area 21a, and the background image P1 is not displayed.

The control unit 23 determines whether or not the background image P1 is displayed in the display area 21a (S101). When the control unit 23 determines that the background image P1 is displayed in the display area 21a (S101: Yes), the light emitting element 25 is turned on (S102). In addition, when the light emitting element 25 is already turned on, the control unit 23 keeps the light emitting element 25 turned on.

When the control unit 23 determines that the background image P1 is not displayed in the display area 21a (S101: No), it turns off the light emitting element 25 (S103). If the light-emitting element 25 has already been turned off, the controller 23 keeps the light-emitting element 25 turned off.

For example, when the image displayed in the display area 21a is an image related to an audio system, an image including a background image P1 is displayed in the display area 21a as shown in FIG. FIG. 5 is a diagram showing an example in which the background image P1 is displayed in the display area 21a. In this case, the second display unit 22 performs display corresponding to the background image P1 in the peripheral area 22a. Specifically, when the light-emitting elements 25 (see FIG. 3) are turned on, the pattern formed by the pattern portion 26 is displayed in the peripheral region 22a. A plurality of pieces of information may be displayed in the display area 21a. For example, in addition to the information of the audio system, buttons that enable e-mail and phone calls may be displayed in the display area 21a. As a result, the display device 1 can make the background of the display area 21a look as if it were spread out to the user.

For example, when the image displayed in the display area 21a is an image related to the car navigation system, as shown in FIG. 6, the image related to the car navigation system without the background image P1 is displayed in the display area 21a. FIG. 6 is a diagram showing an example in which the background image P1 is not displayed in the display area 21a. In this case, the background image P1 is not displayed by the second display unit 22 in the peripheral area 22a. Specifically, by turning off the light emitting element 25 (see FIG. 3), the pattern formed by the pattern portion 26 (see FIG. 5) is not displayed in the peripheral region 22a.

The display device 1 includes a first display section 21 and a second display section 22 . The first display section 21 has a display area 21a in which an image is displayed. The second display unit 22 performs display corresponding to the background image P1 of the display area 21a in the peripheral area 22a, which is an area outside the display area 21a.

As a result, the display device 1 can make the background look wider and the display area 21a look like it is enlarged. Therefore, the display device 1 can improve the design of the peripheral region 22a. That is, the display device 1 can improve the designability.

The second display section 22 is provided separately from the first display section 21 . The second display section 22 includes a plurality of light emitting elements 25 in the peripheral edge region 22a of the first display section 21 .

Thereby, the display device 1 can switch the display of the peripheral area 22 a in the second display section 22 provided separately around the first display section 21 according to the display on the first display section 21 .

The light emitting element 25 illuminates the peripheral region 22a from the back side.

Thereby, the display device 1 can improve the visibility of the peripheral region 22a.

The second display portion 22 has a pattern portion 26 . The pattern section 26 displays a pattern corresponding to the background image P1 of the display area 21a.

Thereby, the display device 1 can perform the display according to the background image P1 of the display area 21a on the peripheral area 22a. Therefore, the display device 1 can perform display in the peripheral region 22a that matches the background image P1 in the display region 21a. can be improved. The display device 1 can realize display in the peripheral region 22a while suppressing costs.

In the display device 1 according to the modification, part of the pattern portion 26 may be provided on the cover plate 20 . For example, as shown in FIG. 7, when the background image P1 is an image showing a state in which light is reflected by irregular unevenness, a part of the pattern portion 26 corresponds to the unevenness formed on the back surface of the cover plate 20. include. FIG. 7 is a diagram showing part of the display device 1 according to the modification when the background image P1 is displayed.

The unevenness is provided on the cover plate 20 at a location corresponding to the peripheral edge region 22a. Concavo-convex portions are not provided on the portion of the cover plate 20 corresponding to the display area 21a. For the pattern portion 26, for example, gradation printing is performed on the back surface of the cover plate 20 on which unevenness is formed. Further, the pattern portion 26 is formed with a half-evaporated film from above the gradation printing, that is, from the back side of the cover plate 20, for example.

Thus, the display device 1 according to the modification can provide regions with different brightness in the peripheral region 22a when the light-emitting elements 25 (see FIG. 3) are turned on. In FIG. 7, the peripheral regions 22a with different brightness are shown as regions 22b to 22d for explanation. In FIG. 7, brightness is indicated by dot density and size. For example, region 22b is the darkest and region 22c is lighter than region 22b. Region 22d is the brightest. Note that the pattern portion 26 may be formed without performing gradation printing. Moreover, the peripheral region 22a may include a region having a different color when the light emitting element 25 is lit. The color of light emitted by the light emitting element 25 may be different in each region of the peripheral region 22a.

(Second embodiment)
A display device 30 according to the second embodiment will be described with reference to FIGS. 8 and 9. FIG. FIG. 8 is a front view of the display device 30 according to the second embodiment. 9 is a cross-sectional view taken along line IX-IX of FIG. 8. FIG. Here, points different from the first embodiment will be described. A description of the same configuration as in the first embodiment is omitted.

The display device 30 has a frame 31 on the back side of the first display section 21 . The frame 31 is provided inside the peripheral edge of the cover plate 20 . The display device 30 is provided, for example, so that the lower side of the frame 31 is open. The display device 30 may be provided such that at least one of the lateral sides of the frame 31 and the upper side of the frame 31 is open. The light shielding part 32 is provided up to the periphery of the cover plate 20 .

The peripheral region 33 in the second embodiment is the region outside the display device 30 . The peripheral area 33 is, for example, the area below the display device 30 . The peripheral area 33 is, for example, the area of the instrument panel 13 on the lower side of the display device 30 . Peripheral region 33 may include at least one of a region lateral to display device 30 and a region above display device 30 .

The light emitting element 36 of the second display section 35 is attached to the frame 31 . The light emitting element 36 emits light toward the peripheral region 33 . The light emitting element 36 emits light at least downward. The light-emitting element 36 emits light corresponding to the background image P2 (see FIG. 10) to the peripheral region 33 . The background image P2 of the second embodiment includes an image related to the car navigation system and an image such as a television image when the image related to the car navigation system and the television image are displayed in the display area 21a. The background image P<b>2 of the second embodiment includes an image displayed on the first display section 21 . The light emitting element 36 is an LED capable of emitting red, green, and blue light. The light emitting element 36 is a full color LED.

The second display unit 35 displays on the peripheral area 33 in accordance with the color of the specific area 21b in the display area 21a. The specific region 21 b includes, for example, the pixels closest to the peripheral region 33 in the display region 21 a adjacent to the peripheral region 33 . The specific region 21 b may include pixels closest to the peripheral region 33 and a plurality of pixels inside the pixels closest to the peripheral region 33 in the display region 21 a adjacent to the peripheral region 33 . The specific region 21b includes a preset range of pixels.

For example, the second display unit 35 emits light of a color corresponding to the color of the specific region 21b toward the peripheral region 33, as shown in FIG. FIG. 10 is a diagram showing a display example on the display device 30 according to the second embodiment.

The color of the light emitted from the light emitting element 36 of the second display section 35 is controlled by the control section 23 . The control unit 23 detects the color of the specific area 21b. The control unit 23 detects the color of pixels included in the specific region 21b. The control unit 23 detects the luminance of RGB in pixels included in the specific region 21b.

The control unit 23 sets the color of light emitted from the light emitting element 36 . The control unit 23 sets the color of the light emitting element 36 based on the luminance of RGB in the pixels included in the specific region 21b. For example, the control unit 23 sets the color of the light emitting element 36 to the same color as the color of the pixels included in the specific region 21b. The control unit 23 sets the colors of the light emitting elements 36 respectively.

The control unit 23 controls the light emitting element 36 so that the light emitting element 36 emits the set color. That is, the control unit 23 controls the display color of the peripheral area 33 according to the color of the specific area 21b. As a result, a color corresponding to the color of the specific region 21 b adjacent to the peripheral region 33 is emitted to the peripheral region 33 .

Next, control processing of the light emitting element 36 according to the second embodiment will be described with reference to FIG. FIG. 11 is a flowchart for explaining control processing of the light emitting element 36 according to the second embodiment.

The control unit 23 causes the display area 21a to display an image (S200). The control unit 23 detects the color of the specific area 21b (S201). For example, the control unit 23 detects the luminance of RGB in the pixels of the specific region 21b.

The control unit 23 sets the color of light in each light emitting element 36 based on the detected color (S202). The control unit 23 sets the luminance of RGB in each light emitting element 36 . The control unit 23 emits light of the set color from the light emitting element 36 (S203).

The display device 30 displays on the peripheral area 33 in accordance with the color of the specific area 21b in the display area 21a.

As a result, the display device 30 can make the background look wider and the display area 21a look like it is enlarged.

The control unit 23 controls the display color of the peripheral area 33 according to the color of the specific area 21b.

Thereby, the display device 30 can emit the light of the color of the specific region 21 b in the image displayed on the display region 21 a to the peripheral region 33 . Therefore, when the image displayed in the display area 21a is changed, for example, when an image is displayed in the display area 21a, the display device 30 changes the color of the peripheral area 33 to the image displayed in the display area 21a. can be colored according to

A modified display device 30 may include a portion of the cover plate 20 as the peripheral region 33 . In the display device 30 according to the modification, for example, the light blocking portion 24 is not provided on the peripheral side of the cover plate 20 . The light emitting element 36 of the display device 30 according to the modification emits light toward the front. The light emitting element 36 may emit light forward and downward. The display device 30 according to the modification can make at least part of the cover plate 20 around the display area 21a shine according to the color of the specific area 21b. Therefore, the display device 30 according to the modification can make the display area 21a appear to be enlarged.

The display device 30 according to the modification may capture an area including the specific area 21b with a camera. A camera is built in the display device 30, for example. A camera may be provided outside the display device 30 . The display device 30 according to the modification may detect the color of the specific region 21b from the image data acquired by the camera.

Further effects and modifications can be easily derived by those skilled in the art. Therefore, the broader aspects of the invention are not limited to the specific details and representative embodiments so shown and described. Accordingly, various changes may be made without departing from the spirit or scope of the general inventive concept defined by the appended claims and equivalents thereof.

1, 30 display device 21 first display portion 21a display region 21b specific region 22 second display portion 22a, 33 peripheral region 23 control portions 25, 36 light emitting element 26 pattern portions P1, P2 background image

Claims (7)

a first display unit having a display area in which an image is displayed;
A display device comprising: a second display unit that displays a background image of the display area in a peripheral area that is an area outside the display area. The second display unit is
Provided separately from the first display unit,
2. The display device according to claim 1, comprising a plurality of light emitting elements in said peripheral region of said first display portion. 3. The display device according to claim 2, wherein said light emitting element illuminates said peripheral region from the back side. 4. The display device according to any one of claims 1 to 3, wherein said second display section includes a pattern section for displaying a pattern corresponding to a background image of said display area. 4. The display device according to any one of claims 1 to 3, wherein the second display section performs display in the peripheral area according to a color of a specific area adjacent to the peripheral area in the display area. 6. The display device according to claim 5, further comprising a control unit that controls the display color of the peripheral area according to the color of the specific area. Display an image in the display area,
A display method, wherein a display corresponding to a background image of the display area is performed in a peripheral area outside the display area.

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