JP2023098012A - Head-mounted display, information processing device and optical module - Google Patents

Abstract

To prevent a user from visually recognizing a virtual image whose display quality is deteriorated by a wearing position.SOLUTION: A head-mounted display 1 includes a video processing device 40 for correcting an inputted video signal Va_Lft, a display panel 10L for emitting light based on a video signal Vb_Lft corrected by the video processing device 40, and optical system for emitting the light emitted from the display panel 10L toward the left eye of a user, and the video processing device 40 corrects the inputted video signal Va_Lft in accordance with the position of the left eye of the user with respect to the display panel 10L or the optical system.SELECTED DRAWING: Figure 2

Description

The present disclosure relates to, for example, a head mounted display, an information processing device, and an optical module.

A head-mounted display that allows a user to experience virtual reality has a configuration in which an image created on a display panel, for example, is captured by an optical system such as a lens, and the user visually recognizes it as a virtual image. As a display panel applied to such a head-mounted display, a display panel using an organic EL element such as an OLED is known, as described in Patent Document 1, for example. OLED is an abbreviation for Organic Light Emitting Diode.

JP 2017-142975 A

However, if the size of the image created on the display panel is small, for example, less than 1 inch, the influence of individual differences of the user, specifically, the distance and position of the user's eyes (pupils), etc., are the design values. It becomes impossible to ignore the influence of deviation from For example, if the position of the user's eyes deviates from the design value, light emitted obliquely from the display panel reaches the user's eyes. Light emitted obliquely from the display panel has lower luminance and loses color balance compared to light emitted in the front direction. There is a problem that

A head mounted display according to an aspect of the present disclosure includes a video processing device that corrects an input video signal, a display panel that emits light based on the video signal corrected by the video processing device, and from the display panel and an optical system for emitting emitted light toward the eyes of a user, wherein the image processing device outputs the input image according to the position of the user's eyes with respect to the display panel or the optical system. Correct the signal.

It is a figure which shows the structure of the head mounted display which concerns on embodiment. It is a perspective view which shows the structure of the display panel in a head mounted display. FIG. 4 is a plan view for explaining an area in which an image is displayed on the display panel; 3 is a block diagram showing the electrical configuration of the head mounted display; FIG. FIG. 4 is a diagram for explaining correction values stored in a correction value data table; FIG. 4 is a flow chart showing the operation of the head mounted display; It is a figure for demonstrating the improvement of the image quality in embodiment. FIG. 10 is a diagram for explaining creation of a correction value data table; FIG. FIG. 10 is a diagram for explaining creation of a correction value data table; FIG. FIG. 10 is a diagram for explaining creation of a correction value data table; FIG. FIG. 10 is a diagram for explaining creation of a correction value data table; FIG. It is a figure which shows simply about the optical structure of a head mounted display. FIG. 5 is a diagram showing an example of correction value characteristics; FIG. 5 is a diagram showing an example of correction value characteristics; It is a figure which shows the structure of the head mounted display which concerns on a modification.

Hereinafter, head mounted displays according to embodiments of the present invention will be described with reference to the drawings.
In each drawing, the dimensions and scale of each part are appropriately different from the actual ones. Further, since the embodiments described below are preferred specific examples, they are subject to various technically preferable limitations. It is not limited to these forms unless otherwise stated.

FIG. 1 is a diagram showing the configuration of a head mounted display 1 according to an embodiment.
The head mounted display 1 includes a pair of optical units 100L and 100R for displaying images corresponding to the left and right eyes, and a mounting portion (not shown) for mounting the optical units 100L and 100R on the user's head. and
Since the pair of optical units 100L and 100R are symmetrical, the optical unit 100L for the left eye will be described as an example.

The optical unit 100L includes a display panel 10L, a condensing optical system 102, and a light guide 103. FIG. Note that the optical unit 100L is an example of an optical module. The display panel 10L is a display device including light-emitting elements formed on a semiconductor substrate or a glass substrate, and in this embodiment, OLEDs are used as an example of the light-emitting elements.

Light guide 103 combines rod lenses to form a rod integrator. A condensing optical system 102 and a display panel 10L are arranged on the light incident side of the light guide 103, and the display light condensed by the condensing optical system 102 is received by the rod lens.
A light flux that is condensed by the condensing optical system 102 and is transmitted through total reflection within the rod lens is reflected toward the user's left eye by the half mirror layer 104 provided on the light guide 103 .
Thus, in the optical unit 100L, the display light emitted from the display panel 10L enters the light guide 103 through the condensing optical system 102, is reflected by the half-mirror layer 104, and enters the user's left eye (pupil). Led by Lep.
The half mirror layer 104 transmits light directed toward the 6 o'clock direction in FIG. Therefore, the user visually recognizes both the image (virtual image) displayed by the display panel 10L and the outside world beyond the half mirror layer 104 .

Sensors L1, L2, and L3 are provided along the X direction on the output side of the light guide 103 in the optical unit 100L. Sensors L1, L2 and L3 are provided to identify the position of the user's left eye Lep with respect to optical unit 100L when optical units 100L and 100R are worn on the user's head.

The optical unit 100R for the right eye also has the same configuration as the optical unit 100L for the left eye. Also in the optical unit 100R, sensors R1, R2, and R3 are provided along the X direction on the output side of the light guide 103, and when the optical units 100L and 100R are worn on the head of the user, the optical unit It is provided to specify the position of the user's right eye Rep with respect to 100R.
The sensors L1-L3 and R1-R3 are provided at positions that do not affect the light reaching the user's eyes.

FIG. 2 is a perspective view showing the configuration of the display panel 10L, and FIG. 3 is a diagram for explaining an area for displaying an image on the display panel 10L.
As shown in FIG. 2, the display panel 10L is housed in a frame-shaped case 192 that opens in the region 12. As shown in FIG. The image displayed by the display panel 10L has a horizontally long rectangular shape. Specifically, in the display panel 10L, one pixel 110 is arranged in a matrix of 1080×1920 in the region 12 as shown in FIG. 3 in this embodiment.

One pixel 110 is divided into a sub-pixel 112R that emits red (R) light, a sub-pixel 112G that emits green (G) light, and a sub-pixel 112B that emits blue (B) light. , green and blue are additive to represent a color in one pixel. In this embodiment, the intensity of each light emitted from the sub-pixels 112R, 112G and 112B, that is, each RGB gradation level is designated by, for example, 8 bits.

In order to specify the coordinate position of the pixel in the area 12, the coordinates of the upper left corner in FIG. and the y-coordinate increases to 1080.

In this description, the X direction is the lateral direction of the area 12 where the image is displayed on the display panel 10L, and is the horizontal scanning direction when displaying the image on the display panel 10L. The Y direction is the vertical direction of the area 12 and is the vertical scanning direction when an image is displayed on the display panel 10L. The Z direction is the direction in which light is emitted from the light emitting element.

Returning to FIG. 2 , the display panel 10L is connected to one end of the FPC board 194 . Note that FPC is an abbreviation for Flexible Printed Circuits. A plurality of terminals 196 are provided at the other end of the FPC board 194, and the plurality of terminals 196 are connected to the video processing device described below. In particular, although not shown, the display panel 10R also has the same configuration as the display panel 10L.

FIG. 4 is a block diagram showing the electrical configuration of a system including the head mounted display 1. As shown in FIG. Head-mounted display 1 includes display panels 10L, 10R, sensors L1-L3 and R1-R3, as well as video processing device 40 and storage device 50 described above.

The video processing device 40 includes a processor that controls the entire video processing device 40, and the processor is configured by, for example, a CPU (Central Processing Unit) including interfaces with peripheral devices, arithmetic units, registers, and the like. Part or all of the processor may be realized by hardware such as DSP (Digital Signal Processor), ASIC (Application Specific Integrated Circuit), PLD (Programmable Logic Device), FPGA (Field Programmable Gate Array). The processor executes various processes in parallel or serially.
The processor functions as a plurality of elements (control section 42, calculation section 44) for correcting video signals Va_Lft and Va_Rgt by executing programs stored in program storage section 46. FIG.

A host device 5 is connected to the head mounted display 1 . The host device 5 outputs a video signal Va_Lft, a control signal Ctr_L, a video signal Va_Rgt and a control signal Ctr_R. The video signal Va_Lft is a signal indicating an image to be visually recognized by the user's left eye, and designates the gradation level of each pixel of each frame constituting the image by 8 bits for each RGB. The control signal Ctr_L is a synchronizing signal for the video signal Va_Lft. Specifically, the control signal Ctr_L is a vertical synchronizing signal for instructing the start of vertical scanning, a horizontal synchronizing signal for instructing the start of horizontal scanning, and one pixel of the video signal Va_Lft. A dot clock signal is included to indicate timing. The video signal Va_Rgt is a signal indicating a video to be visually recognized by the right eye of the user, and designates the gradation level of each pixel of each frame constituting the video by 8 bits for each RGB. The control signal Ctr_R is a synchronizing signal for the video signal Va_Rgt, and includes a vertical synchronizing signal, a horizontal synchronizing signal, and a dot clock signal.
In the embodiment, by displaying different images, specifically images with parallax, on the display panels 10L and 10R, the user can perceive depth and stereoscopic effect. If there is no need to perceive a stereoscopic effect or the like, the video signals Va_Lft and Va_Rgt may be shared, and the control signals Ctr_L and Ctr_R may be shared.

The storage device 50 is composed of a semiconductor storage element such as a memory, and non-volatilely stores a plurality of correction value data tables 52L and 52R.
The plurality of correction value data tables 52L are tables that store correction values corresponding to pixel positions for each angle θ in the display panel 10L for the left eye.

FIG. 5 is a diagram for explaining an example of a correction value data table associated with a certain angle θ.
The correction value data table stores correction values corresponding to the pixels 110 arranged in a matrix of 1080×1920, and each correction value is a set of correction values for the R, G, and B components. . For example, the correction value CL(i,j) whose abscissa is i and whose ordinate is j in the region 12 is the R component correction value (Rc), the G component correction value (Gc), and the B component correction value (Gc). Contains the value (Bc).

The angle θ is the angle formed by a vertical line extending in the Z direction from the position of a certain pixel and the direction in which light is emitted from the position of the pixel to the user's left eye. As the angle θ, for example, ±15 degrees, ±30 degrees, ±45 degrees, ±60 degrees, and ±75 degrees are used with 0 degrees as the reference.
The correction value of a certain pixel includes the intensity of the color reaching the design pupil position in the Z direction from the position of the pixel, and the intensity of the color reaching the pupil position of the user in the direction from the pixel position. The quotient divided by the intensity of the color is used.

For example, in the display panel 10L, the intensity of each of the R light, the G light, and the B light emitted from the position of a certain pixel in the Z direction, which is the front direction, and reaching the designed pupil position is "100". , and reaches the user's left eye at an angle θ of +15 degrees from the pixel. 75” and the intensity of the B light is “90”, the correction values for the pixel position are “1.25”, “1.33” and “1.11” in the order of RGB. .
In the above case, of the light reaching the user's left eye, the intensity of the R light is "95", the intensity of the G light is "90", and the intensity of the B light is "85". Therefore, the correction values for the pixel position are "1.05", "1.11" and "1.18" in the order of RGB.

Storage device 50 is provided with areas 54L and 54R for temporary work. The area 54L stores a correction value data table associated with the angle θ of the position of the left eye among the plurality of correction value data tables 52L.

The same applies to a plurality of correction value data tables 52R, which are tables that store correction values CR(i,j) corresponding to pixel positions on the right-eye display panel 10R for each angle θ.
A region 54R provided in the storage device 50 stores a correction value data table associated with the angle θ of the right eye position specified by the video processing device 40 among the plurality of correction value data tables 52R.

When the coordinates (i, j) are specified by the video processing device 40 (control unit 42), the correction value CL (i, j) corresponding to the coordinates (i, j) is read from the area 54L, and , correction values CR (i,j) are read out from the area 54R and sent back to the image processing device 40, respectively.

The video processing device 40 (calculation unit 44) identifies the position of the left eye Lep of the user wearing the head mounted display 1 based on the detection signals from the sensors L1 to L3.
Similarly, the video processing device 40 (calculation unit 44) identifies the position of the user's right eye Rep based on the detection signals from the sensors R1 to R3.

The video processing device 40 (control unit 42) reads out the correction value data table corresponding to the specified angle θ of the position of the left eye Lep among the plurality of correction value data tables 52L, and stores it in the area 54L. Similarly, the video processing device 40 (control unit 42) reads out the correction value data table corresponding to the specified angle θ of the position of the right eye Rep among the plurality of correction value data tables 52R, and stores it in the area 54R. .

The video processing device 40 (control unit 42) counts the dot clock signals included in the control signal Ctr_L, sets the count result as i on the horizontal coordinate, counts the horizontal scanning start signals included in the control signal Ctr, The coordinate (i, j) is specified in the storage device 50 with the count result as j of the ordinate.
The count result of the dot clock signal is set to the initial value "1" by the horizontal scanning start signal, and the count result of the horizontal scanning start signal is set to the initial value "1" by the vertical scanning start signal included in the control signal Ctr. ” is set.

The video processing device 40 (calculation unit 44) multiplies the R gradation level specified by the video signal Va_Lft by the correction value (Rc) of the R component included in the correction value CL (i, j) to obtain the video signal It is output as the R gradation level of Vb_Lft.
Similarly, the video processing device 40 (calculation unit 44) adds the G component correction value (Gc), The corrected value (Bc) of the B component is multiplied in order and output as the G gradation level and the B gradation level of the video signal Vb_Lft.
The image processing device 40 (calculation unit 44) applies the R component correction values (Rc), G The correction value (Gc) of the component and the correction value (Bc) of the B component are multiplied in order and output as the R gradation level, the G gradation level, and the B gradation level of the video signal Vb_Rgt.
Note that a normalization process, which will be described later, is executed as necessary.

The display panel 10L displays the video indicated by the video signal Vb_Lft in the area 12 according to the synchronization signal Sync_L. Similarly, the display panel 10L causes the image indicated by the image signal Vb_Rgt to be displayed in the area 12 according to the synchronization signal Sync_R.
Note that the synchronization signal Sync_L is delayed from the control signal Ctr_L by the reading in the storage device 50 and the calculation in the video processing device 40 . Similarly, the synchronization signal Sync_R is delayed from the control signal Ctr_R by the amount of reading and calculation.

FIG. 6 is a flow chart showing the operation of the head mounted display 1. As shown in FIG. Regarding the head-mounted display 1, operations for the left eye and operations for the right eye are executed in parallel. to explain.

First, in the head-mounted display 1, when the user turns on a power switch (not shown), or the host device 5 instructs the start of video display, the power is turned on. The control unit 42 executes a predetermined on-sequence (step S11). This on-sequence includes, for example, a process of clearing the stored contents in the area 54L.

Next, the control unit 42 instructs the calculation unit 44 to specify the position of the left eye Lep of the user wearing the head mounted display 1 based on the detection signals of the sensors L1 to L3 (step S13 ). It should be noted that the position of the left eye Lep here is information indicating how far it is from the design position along the X direction, as will be described later.
The calculation unit 44 specifies the position of the left eye Lep according to the instruction of the control unit 42 and returns it to the control unit 42 .

The control unit 42 identifies, among the plurality of correction value data tables 52L stored in the storage device 50, the correction value data table associated with the angle θ that is closest to the angle corresponding to the position of the left eye Lep (step S14).
The control unit 42 reads out the specified correction value data table and stores it in the area 54L (step S15).

The controller 42 receives the video signal Va_Lft from the host device 5 (step S16).
The control unit 42 reads out the correction value CL (i, j) corresponding to the pixel position information (i, j) specified by the video signal Va_Lft from the area 54L. Then, the control unit 42 instructs the calculation unit 44 to apply the correction value (Rc) of the R component included in the correction value CL(i,j) to the R gradation level specified by the video signal Va_Lft. It is multiplied and output as the R gradation level of the video signal Vb_Lft.
Similarly, the calculation unit 44 multiplies the G gradation level of the video signal Va_Lft by the correction value (Gc) of the G component included in the correction value CL(i,j) to obtain the G gradation of the video signal Vb_Lft. The B gradation level of the video signal Va_Lft is multiplied by the B component correction value (Bc) included in the correction value CL(i,j) to obtain the B gradation level of the video signal Vb_Lft. (step S17).

If the gradation level obtained by multiplying the gradation level specified by the video signal Va_Lft by the correction value exceeds the 8-bit upper limit of "255", the exceeding value is set to "255". conversion processing is executed. For example, if the gradation level obtained by multiplying the gradation level specified by the video signal Va_Lft by the correction value exceeds "255" and becomes "300", the gradation value multiplied by the correction value is further "0.85". ” (=255/300) is executed.
More specifically, the control unit 42 determines whether or not the gradation level obtained by multiplying the gradation level specified by the video signal Va_Lft by the correction value exceeds "255". The calculation unit 44 is caused to perform normalization processing so that the value obtained is "255", and the gradation level after the normalization processing is output as the video signal Vb_Lft.
If the control unit 42 determines that the threshold is not exceeded, the control unit 42 does not cause the calculation unit 44 to perform the normalization process.

The control unit 42 repeatedly executes the processes of steps S16 and S17 until the power is turned off. That is, the control unit 42 determines whether the head mounted display 1 has been instructed to turn off the power by, for example, the user turning off the power switch or the host device 5 instructing to end the image display. It is determined whether or not (step S18).

If the control unit 42 determines that power off is not specified (if the determination result in step S18 is "No"), the process returns to step S16. (If the determination result of step S18 is "Yes"), the off-sequence operation is executed (step S18).

The off-sequence operation is a series of operations that are executed when the display on the display panels 10L and 10R is terminated. After this off-sequence operation, the power of the head-mounted display 1 is actually turned off, and this process ends.
Note that although the processing for the left eye has been described here as an example, the processing for the right eye is also executed in parallel with the processing for the left eye.

FIG. 7 is a diagram for explaining an example of the effects of this embodiment. The upper column shows an example in which the display in the area 12 is visually perceived as being dimmed toward the periphery as viewed from the user because the position of the user's left eye is shifted from the designed position.
The middle column is a display example of the area 12 created by correcting the video signal supplied from the host device 5 according to the position of the user's left eye Lep, and cancels out the dimming toward the periphery. This is an example in which the correction is made so that the brightness increases toward the periphery.
The lower column shows an example of a virtual image viewed by the user's left eye that is shifted from the design position, and the vignetting as shown in the upper column is canceled by the vignetting due to the correction, resulting in a flattened image. Here is an example of what is visually recognized.
In this embodiment, even if the position of the user's eyes deviates from the design value, it is possible to prevent deterioration of the display quality of the visually recognized virtual image.

Next, an example of creating the correction value data tables 52L and 52R applied to this embodiment will be described. Since the creation of the correction value data table 52L for the left eye and the creation of the correction value data table 52R for the right eye are substantially the same, an example of creation for the left eye will be described here.

FIG. 8 is an explanatory diagram of a device for measuring luminance characteristics in the display panel 10L in order to create the correction value data table 52L.
The display panel 10L is placed on a rotatable and movable table 220. As shown in FIG. The table 220 is movable in the X and Y directions, and is rotatable clockwise or counterclockwise around an axis Ry along the Y direction of the table. Note that the display panel 10L is in a state before being incorporated into the head mounted display 1. FIG.

The luminance sensor 210 measures the luminance at, for example, nine locations in the region 12 while changing the angle θ for each RGB component. Specifically, the nine locations in the region 12 are, as shown in FIG. It is a rectangular area of 360 pixels and 640 pixels wide.
Note that the luminance sensor 210 detects that when each of the R sub-pixel 112R, the G sub-pixel 112G, and the B sub-pixel 112B of the display panel 10L emits light with a luminance corresponding to the reference gradation level "100", for example. shall measure the luminance of

Also, as shown in FIG. 10, the angle .theta. It refers to an angle formed by a straight line Mes extending from a point to the brightness sensor 210 . In this description, the angle θ when the vertical line Cen and the straight line Mes coincide is assumed to be zero. The sign of the angle θ is positive when the straight line Mes rotates clockwise with respect to the vertical line Cen, and negative when the straight line Mes rotates counterclockwise.

The angle θ is, for example, 11 angles of 0 degree, ±15 degrees, ±30 degrees, ±45 degrees, ±60 degrees, and ±75 degrees. In FIG. 10, the left column shows the case where the measurement position is the center right (or upper right, lower right) and the angle θ is -45 degrees, and the middle column shows the case where the measurement position is the center (or upper center). , lower center) and the angle θ is 0 degree, and the right column shows the case where the measurement position is the left center (or upper left or lower left) and the angle θ is +45 degrees.

In this manner, the brightness is measured for each of RGB at 9 locations in the region 12 with respect to the brightness characteristics of the display panel 10L when the angle θ is changed in 11 ways.
Then, the reference gradation level “100” is divided by the value obtained by converting the measured RGB luminance into the gradation level, and the quotient is taken as the correction value of the measurement point in the area 12 .

Since this correction value is only representative of the nine measured points, it is necessary to obtain the correction value CL(i,j) for each coordinate position of the pixel 110 .
Regarding the X-coordinate, for example, when the correction values obtained by measuring the RGB luminance at the left center, center, and right center are the values shown in the upper column of FIG. The correction value CL(i,j) for each position may be obtained by linear interpolation from three points.
Regarding the Y coordinate, for example, when the correction values obtained by measuring the RGB luminance at three points, the upper center, the center, and the lower center, are the values shown in the lower column of FIG. The correction value CL(i,j) for each Y coordinate position may be obtained from three points by linear approximation interpolation.
It should be noted that it is not limited to linear interpolation, and may be obtained by interpolation by curve approximation as shown in FIG.

In this way, the correction value CL(i,j) for each coordinate position of the pixel 110 is obtained by interpolation to form a correction value data table associated with one angle θ. This correction value data table is obtained for each of 11 different angles θ and stored in the storage device 50 as a plurality of (11) correction value data tables 52L.
The correction value data table for the right eye is obtained by measuring the brightness of the display panel 10R before being incorporated into the head mounted display 1, and is obtained in the same manner as the correction value data table for the left eye. It is stored as a plurality of correction value data tables 52R.
According to such a correction value data table, it is not necessary to measure the brightness of each pixel 110, so it is possible to shorten the time required to create and store the correction value data table.

The relationship between the angle θ associated with the correction value data table and the position of the left eye Lep will be described. As shown in the left column of FIG. 11, it is assumed that the designed position Lref of the left eye is on a vertical line extending in the Z direction from the diagonal center of the area 12 of the display panel 10L. Let x0 be the X coordinate of this position Lref.
Here, it is assumed that the user's left eye Lep is located at a point shifted in the X direction from the designed position Lref. Assuming that the X coordinate of the left eye Lep is x, the user's left eye Lep is located at a point separated from the position Lref by a distance (x−x0) in the X direction.

A simplified optical path from the display panel 10L to the left eye Lep via the condensing optical system 102 and the light guide 103 is as shown in FIG. That is, when the user's left eye Lep is positioned at a point separated from the position Lref by a distance (x−x0) in the X direction, the user can visually recognize light emitted at an angle θ from the vertical line Cen of the display panel 10L. become.

When the angle θ is small, the distance (x−x0) can be expressed by the following equation (1).

That is, the distance (x-x0) is approximately proportional to the angle θ. Note that in equation (1), a is a coefficient determined by the optical system of the condensing optical system 102 and the light guide 103 . From the equation (1), the angle θ can be obtained by the following equation (2).

Therefore, the sensors L1 to L3 detect how far the user's left eye Lep is away from the designed position Lref along the X direction (or the direction opposite to the X direction), and the correction value to be applied The angle θ in the data table can be specified.

In the embodiment, the position of the left eye Lep is detected by the sensors L1 to L3 and the position of the right eye Rep is detected by the sensors R1 to R3, but the positions of the left eye Lep and the right eye Rep are not detected and corrected. is also possible.
Specifically, as shown in FIG. 15, an operator 60 is provided, and by adjusting one or more volumes included in the operator 60, a plurality of points defining the correction characteristics shown in FIGS. may be set, and the display may be corrected with the set correction characteristics.
Note that the plurality of points that define the correction characteristic include, for example, coefficient values at the left and right ends, coordinates of minimum (or maximum), coefficient values at the minimum (or maximum), and the like.
According to such a configuration, the user can prevent deterioration of display quality by making adjustments while checking the actual display.

Alternatively, the video processing device 40 may access a server via the Internet, the server may output the correction value data table, and the video processing device 40 may store it in the areas 54L and 54R.
In this configuration, the user may input the positional information of the left eye Lep and the right eye Rep, and the server may create a correction value data table to be applied based on the positional information and send it back to the video processing device 40. . Alternatively, the server may sequentially move the positions of the left eye Lep and the right eye Rep, create a correction value data table to be applied based on the moved positions, and send it back to the video processing device 40 .

A part of the functions of the video processing device 40 or the server may be implemented by an information processing device such as a smart phone, for example.
Specifically, the information processing device is provided with sensors L1 to L3 and R1 to R3, and executes the same processing as the video processing device 40 and the storage device 50, so that the information processing device performs the left eye Lep and the right eye Lep. A correction value data table may be created according to the position information of the eye Rep, and the video signals Va_Lft and Va_Rgt may be corrected using the correction value data table.
Further, the information processing apparatus is provided with an operator 60 instead of the sensors L1 to L3 and R1 to R3, the operator 60 creates a correction value data table, and the created correction value data table is used to generate a video signal. It may be configured to correct Va_Lft and Va_Rgt.
The information processing device is provided with a communication function, relays the server, or as a substitute for the server, receives or creates a correction value data table to be applied, and uses the correction value data table to generate a video signal. It may be configured to correct Va_Lft and Va_Rgt.
Further, in the present embodiment, the correction value data table is provided in the video processing device 40, but the present invention is not limited to this, and the display panel 10 may be provided with the correction value data table, for example.

The present invention only needs to specify the position of the user's eyes. For example, the position of the user's eyes with respect to the display panel 10 may be specified, or the position of the user's eyes with respect to the optical system may be specified. In other words, it suffices if the position of the user's eyes with respect to a certain reference can be specified.

In the embodiments and the like, the display panels 10L and 10R are described as using OLEDs, but the present invention is not limited to this, and other light-emitting elements such as inorganic EL elements, LEDs, mini-LEDs, micro-LEDs, etc. may be used as light-emitting elements. may be used, or a liquid crystal display element may be used instead of the light emitting element.
Further, in the embodiments and the like, a telecentric optical system in which the principal ray and the optical axis are parallel has been described as an example, but a non-telecentric optical system may be used.

Reference Signs List 1 Head mounted display 5 Host device 10L, 10R Display panel 40 Image processing device 50 Storage device 52L, 54R Correction value data table L1 to L3, R1 to R3 Sensors.

Claims (9)

a video processing device that corrects an input video signal;
a display panel that emits light based on the video signal corrected by the video processing device;
an optical system that emits light emitted from the display panel toward the user's eyes;
including
The video processing device is
A head-mounted display that corrects the input video signal according to the position of the user's eyes with respect to the display panel or the optical system.
a sensor for detecting the position of the user's eyes relative to the display panel;
The video processing device is
Identifying the position of the user's eye based on the detection result of the sensor;
2. The head-mounted display according to claim 1, wherein the input video signal is corrected according to the identified eye position of the user.
The video processing device is
3. The head-mounted display according to claim 2, wherein the luminance of said input video signal is corrected using a correction value data table according to said user's eye position.
4. The head mounted display according to claim 3, wherein the correction value data table associates pixel positions and correction values in an image.
The video processing device is
Among a plurality of correction value data tables stored in advance corresponding to the user's eye position,
5. The head-mounted display according to claim 4, wherein the brightness of the input video signal is corrected using a correction value data table corresponding to the specified eye position of the user.
6. The head mounted display according to claim 4, wherein said correction value is a value based on a result of measuring luminance of said display panel.
a display panel that emits video light based on the corrected video signal;
an optical system that emits light emitted from the display panel toward the user's eyes;
An information processing device that outputs the corrected video signal to a head-mounted display including
The information processing device is
An information processing device that corrects and outputs an input video signal according to a position of a user's eyes with respect to the display panel or the optical system.
a sensor for detecting the position of the user's eyes with respect to the display panel or the optical system;
Identifying the position of the user's eye based on the detection result of the sensor;
8. The information processing apparatus according to claim 7, wherein the input video signal is corrected and output according to the specified eye position of the user.
a display panel that emits video light based on a video signal;
an optical system that emits light emitted from the display panel toward the eye of the incident user;
An optical module comprising
The video signal is
9. The optical module according to claim 8, wherein the optical module is corrected according to the position of the user's eyes with respect to the display panel or the optical system.

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