Display device and adjustment method
A display device and a technology for adjustment, which can be used in transportation and packaging, instruments, vehicle parts, etc., and can solve problems such as inability to focus on the foreground and virtual image observation
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Embodiment approach 1
[0031]
[0032] figure 1 It is a schematic diagram showing an example of the configuration of the virtual image display device 100 according to the first embodiment. The virtual image display device 100 is, for example, a head-up display for a vehicle. The virtual image display device 100 is mounted, for example, on a dashboard 610 of a vehicle 600 . However, the virtual image display device 100 is not limited to a head-up display, and the installation location is not limited to an instrument panel.
[0033] The virtual image display device 100 has an image display unit 110 and a control unit 130 . The virtual image display device 100 can have a magnifying mirror 140 . The image display unit 110 has a light source unit 111 and a screen 120 .
[0034] The light source unit 111 emits image light like a projector, for example. "Image light" refers to light having image information. The image light emitted from the light source unit 111 has information of an image reflect...
Deformed example 1
[0214] Next, a modified example of the virtual image for adjustment used for adjusting the position of the virtual image will be described.
[0215] Figure 9 (a) and Figure 9 (b) is an explanatory diagram showing an example of an image for adjusting a virtual image position. Figure 9 (a) is an example in which an adjustment image is projected on the short-distance virtual image screen 120a. Figure 9 (b) is an example in which an adjustment image is projected on the remote virtual image screen 120b. Figure 9 (a) and Figure 9 (b) is a diagram viewed by the driver 500 through the magnifying mirror 140 .
[0216] The short-distance adjustment intermediate image 122c is projected above the short-distance projection area 121a in the area of the short-distance virtual image screen 120a. The short-distance adjustment intermediate image 122c is an oblique figure.
[0217] exist Figure 9 In (a), the short-distance adjustment intermediate image 122c is a strip-shaped figu...
Deformed example 2
[0276] In the previous embodiment, the driver 500 visually recognizes the virtual image area 400 vertically. However, in Modification 2, the virtual image area 400 is inclined.
[0277] Figure 13 It is a schematic diagram showing an example of the configuration of a virtual image display device 161 according to Modification 2.
[0278] The inclined screen 120t is inclined with respect to the optical axis C of the light source unit 111 . Therefore, the inclined virtual image area 400t visually recognized by the driver 500 is inclined such that the upper end is farther than the lower end. That is, the inclined virtual image area 400t is inclined such that the higher position is farther than the lower position when viewed from the driver 500 . The virtual image projected into the inclined virtual image region 400t has a depth with a distance from the virtual image. That is, the virtual image projected into the inclined virtual image area 400t has portions displayed at differ...
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