A display device having color information injected into monochromatic visual information using a spatially addressable backlight generator.

Abstract

To provide a display device that includes a display surface and a monochromatic image generator.SOLUTION: The generator may be designed to produce monochromatic visual information for display, incorporating a primary light source and a transflective spatial light modulator. The display device may include a spatially addressable backlight generator configured to backlight the transflective spatial light modulator. This generator may include an array of colored light sources, which are driven to selectively emit light towards a non-reflective side of the modulator, infusing colored light into the monochromatic visual information. This may result in infused color information being presented at the display surface with the monochromatic visual information. The display device may include one or more processors configured to effectuate the presentation of the infused color information.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] This disclosure generally relates to display technology, and more specifically, to the integration of grayscale content and injected colors in a transflective system.

Background Art

[0002] In the field of display technology, there are various display devices, each with its own unique characteristics. Liquid crystal displays (LCDs) and organic light-emitting diode (OLED) displays are known for their ability to display a wide range of colors and provide vivid and dynamic images. On the other hand, reflective displays create images by reflecting ambient light. These displays are known for their high power efficiency and easy visibility even under bright light. However, reflective displays have conventionally been limited to monochromatic or black-and-white images. Currently, with the evolution of display technology, attempts are being made to combine the advantages of these different types of displays to create more versatile and efficient display devices.

Summary of the Invention

Problems to be Solved by the Invention

[0003] This disclosure provides a display device having color information injected into monochromatic visual information using a spatially addressable backlight generator in a system employing a transflective spatial light modulator. Existing display technologies have several limitations. For example, color displays such as LCDs and OLEDs provide vivid and dynamic images but consume a large amount of power and may be difficult to view in bright places. On the other hand, reflective displays are highly power-efficient and may be easy to view even in bright places, but are generally limited to monochromatic images. This limitation may restrict the use of reflective displays in applications where color information is important.

Means for Solving the Problems

[0004] The implementations described herein address the aforementioned and other drawbacks through a display device including a monochromatic image generator and a spatially addressable backlight generator. The monochromatic image generator can generate monochromatic visual information for display, while the spatially addressable backlight generator can inject colored light into the monochromatic visual information, so that the injected color information is presented on the display surface. This makes it possible for the display device to present color information while maintaining the power efficiency and visibility advantages of reflective displays.

[0005] One aspect of the present disclosure relates to a display device. The display device may include a display surface, a monochromatic image generator, a spatially addressable backlight generator, and one or more processors. The monochromatic image generator may be configured to generate monochromatic visual information for display on the display surface. The monochromatic image generator may reflect light from a primary light source using a semi-transparent spatial light modulator. The spatially addressable backlight generator may be configured to illuminate the semi-transparent spatial light modulator with a backlight. The spatially addressable backlight generator may include a color light source array driven to selectively emit light in the non-reflective direction of the semi-transparent spatial light modulator, thereby injecting color light into the monochromatic visual information generated by the monochromatic image generator, so that the injected color information is presented on the display surface together with the monochromatic visual information. One or more processors may be configured to determine the injected color information to be presented on the display surface and to control the color light sources in the spatially addressable backlight generator to emit light in the non-reflective direction of the semi-transparent spatial light modulator, thereby enabling the presentation of the injected color information.

[0006] According to some implementations, one or more processors may be further configured to control a monochrome image generator to generate monochrome visual information for display on a display surface.

[0007] According to some implementations, one or more processors may be further configured to acquire presentation information that defines visual information to be presented on a display surface, the presentation information defines the visual information by color, from the presentation information a monochrome visual information to be generated by a monochrome image generator is determined, and from the presentation information an injected color information is determined.

[0008] According to some implementations, the monochrome visual information displayed on the display surface may have a higher resolution than the injected color information presented on the display surface.

[0009] In some implementations, a monochromatic image generator can generate monochromatic visual information displayed on a display surface at a resolution at least 100 times higher than the highest resolution of injected color information that a spatially addressable backlight generator can generate on the display surface.

[0010] Depending on the implementation, the color light source may include a side-mounted LED.

[0011] According to some implementations, a side-mounted LED may include an LED that emits light of at least one of three different colors.

[0012] According to some implementations, a semi-transparent spatial light modulator may have a physical passage between the non-reflective and reflective sides through which colored light generated by a spatially addressable backlight generator passes, injecting the colored light into monochromatic visual information.

[0013] According to some implementations, a semi-transparent spatial light modulator may include a semi-transparent liquid crystal device.

[0014] According to some embodiments, one or more processors may be configured such that the determination of injected color information is based on user interaction with monochromatic visual information displayed on the display surface.

[0015] According to some implementations, a spatially addressable backlight generator may include a transmissive liquid crystal device.

[0016] Another aspect of this disclosure relates to a method for using a display device. This method may include receiving input data. This method may include processing the input data using one or more processors of the display device to determine monochromatic visual information and injected color information. This method may include controlling a monochromatic image generator of the display device to generate monochromatic visual information for display on the display surface of the display device. This method may include controlling a spatially addressable backlight generator of the display device to backlight a semi-transparent spatial light modulator of the monochromatic image generator. The spatially addressable backlight generator may include a color light source array driven to selectively emit light in the non-reflective direction of the semi-transparent spatial light modulator, thereby injecting color light into the monochromatic visual information so that the injected color information is presented on the display surface together with the monochromatic visual information. This method may include presenting the injected color information and the monochromatic visual information on the display surface.

[0017] These and other features and characteristics of the present technology, as well as the operation and function of the related structural elements, the combination of parts, and the economics of manufacture, will become more apparent by considering the following description and the appended claims with reference to the accompanying drawings. All accompanying drawings form part of this specification, and similar reference numbers indicate corresponding parts in various drawings. However, it should be clearly understood that the drawings are for illustrative and explanatory purposes only and are not intended to define the scope of the present invention. Where used herein and in the claims, the singular “a,” “an,” and “the” refer to multiple subjects unless the context clearly indicates otherwise. [Brief explanation of the drawing]

[0018] [Figure 1]This is a schematic diagram of an exemplary display device in several implementation configurations. [Figure 2] This figure illustrates examples of how monochrome visual information is presented on a display surface along with injected color information, using several implementation methods. [Figure 3] This figure shows exemplary implementations of a spatially addressable backlight generator in several different configurations. [Figure 4] This figure shows exemplary implementations of a spatially addressable backlight generator in several different configurations. [Figure 5] This figure illustrates exemplary methods for using a display device according to several embodiments. [Modes for carrying out the invention]

[0019] In some implementations, a display device comprising a display surface may be used. This display surface may be an area on which an image or information is displayed. This display surface may be made of various materials and may be of any size depending on the specific implementation. The device may include a monochromatic image generator designed to create monochromatic visual information for display on the display surface. Monochromatic visual information refers to an image or information displayed in one color or in one shade of one color. This may be particularly useful in situations where color is unnecessary or may be distracting.

[0020] A monochromatic image generator may use a semi-transparent spatial light modulator to reflect light from a primary light source. The primary light source may be the main light source of the display device. The primary light source may include ambient light and / or other light sources. A semi-transparent spatial light modulator is a device that can both transmit and reflect light, allowing control over the amount and direction of light passing through. This can be particularly useful for controlling the brightness and contrast of the displayed image.

[0021] The display device may include a spatially addressable backlight generator. This backlight generator may be designed to illuminate a transflective spatial light modulator with backlight. Illuminating with backlight refers to the process of illuminating the display from behind, which can enhance the visibility of the displayed image. The backlight generator may include a color light source array that can be controlled to emit light selectively in the non-reflective side direction of the transflective spatial light modulator. These color light sources may be of any type suitable for a specific implementation such as LEDs. These color light sources can emit light of various colors, which can be used to add color to a monochromatic image.

[0022] Thereby, the device may be capable of injecting colored light into the monochromatic visual information generated by a monochromatic image generation device. Injecting colored light may refer to the process of adding color by irradiating a monochromatic image with colored light. This can be done in a controlled manner to achieve a desired visual effect. As a result of this injection of colored light, the injected color information may be presented on the display surface together with the monochromatic visual information. The injected color information refers to the color elements added to the monochromatic image. Thereby, the visual beauty and visual information content of the displayed image can be enhanced.

[0023] The display device may include one or more processors. These processors may be configured to determine the injected color information for presentation on the display surface. The processor may be of any type suitable for a specific implementation such as a microprocessor. The processor can execute various tasks including the processing of the visual information to be displayed. This means that the processor can control which part of the image to color and which color to use. Thereby, advanced customization and flexibility in displaying the image may be possible.

[0024] The processor can be configured to control the color light sources within a spatially addressable backlight generator. The processor can direct these light sources to emit light in the non-reflective side direction of the transmissive spatial light modulator. Thereby, the processor can potentially control the injection of color light into monochromatic visual information, enabling the presentation of the injected color information. Enabling the presentation of the injected color information can refer to the process of representing the coloring elements on the display surface. This process can include various steps, including the control of the color light sources and the transmissive spatial light modulator.

[0025] In summary, some implementations include a display device capable of presenting a monochromatic image with selectively colored elements. This means that the display device can show an image that mainly uses one color but has certain parts that use different colors. This can be achieved by using a monochromatic image generator, a spatially addressable backlight generator with color light sources, and one or more processors that control the generation and presentation of the injected color information. Thereby, an image or information can be displayed in a visually beautiful and unique way.

[0026] Figure 1 is a schematic diagram of an exemplary display device 100 according to some implementations. The display device 100 may be part of a larger system such as a computer or a mobile device. The display device 100 may be designed to present visual information to the user in a clear and efficient manner. As shown in FIG. 1, the display device 100 may include one or more of a display surface 102, a monochromatic image generator 104, a primary light source 106, a transmissive spatial light modulator 108, a spatially addressable backlight generator 110, a color light source array 112, one or more processors 114, and / or other components. Each of these components can contribute to the overall functionality of the display device 100. These components can cooperate to generate visual information and present it to the user.

[0027] The display surface 102 may be the primary interface of the display device 100. This means that the display surface 102 may be the part of the display device 100 with which the user interacts most directly. The display surface 102 may be configured to present visual information to the user. This visual information may be generated by other components of the display device 100. The visual information may include text, images, videos, and / or other types of content. This content may be generated by other components of the display device 100. The content may be presented in various forms, including still images, videos, and interactive content. The display surface 102 may be made from a variety of materials, including, but not limited to, glass, plastic, and / or other suitable materials. These materials may be selected based on various factors, including durability, cost, and visual clarity.

[0028] The monochromatic image generator 104 may be configured to generate monochromatic visual information for display on the display surface 102. The monochromatic visual information may include a monochromatic image or text. This color may be black, white, or any other color. The monochromatic image generator 104 may include a semi-transparent spatial light modulator 108. The primary light source 106 may be ambient light and / or other light sources. The semi-transparent spatial light modulator 108 may be a device that modulates this light to create monochromatic visual information. Light emitted from the primary light source 106 toward the semi-transparent spatial light modulator 108 may be modulated by the semi-transparent spatial light modulator 108 to generate monochromatic visual information. The semi-transparent spatial light modulator 108 may selectively reflect the light from the primary light source 106 toward the display surface 102 spanning an array of separate locations. The light received from the primary light source 106 may be a specific color or wavelength, or may include light having a wavelength spectrum, as in implementations where the primary light source 106 is ambient light. The semi-transmissive spatial light modulator 108 can then modulate the light to create monochromatic visual information.

[0029] The semi-transparent spatial light modulator 108 may be configured to modulate light received from the primary light source 106. Modulation may involve changing the properties of the light, such as intensity and color. This may be done to create monochromatic visual information. The semi-transparent spatial light modulator 108 may include a non-reflective side and a reflective side. These non-reflective and reflective sides may have different properties and may interact with the light from the primary light source 106 in different ways. The non-reflective side may be configured to receive light from the primary light source 106, while the reflective side may be configured to reflect the modulated light towards the display surface 102. The non-reflective side may absorb some of the light from the primary light source 106, while the reflective side may reflect the remaining light towards the display surface 102. This reflected light may form monochromatic visual information presented to the user.

[0030] The spatially addressable backlight generator 110 may be configured to backlight the semi-transparent spatial light modulator 108. Backlighting may include providing light from behind the semi-transparent spatial light modulator 108. This may improve the visibility of monochromatic visual information. The spatially addressable backlight generator 110 may include a color light source array 112. This array may consist of multiple light sources, each of which may emit light of a different color. The color light source array 112 may be driven to selectively emit light in the non-reflective direction of the semi-transparent spatial light modulator 108. This may include illuminating specific light sources within the array based on the visual information to be presented. This allows color light to be injected into the monochromatic visual information generated by the monochromatic image generator 104, so that the injected color information is presented on the display surface 102. The injected color information may be a combination of monochromatic visual information and color light from the color light source array 112. This may result in a vivid and colorful display.

[0031] One or more processors 114 may be configured to determine the color information injected for presentation on the display surface 102. This may include processing visual information generated by other components of the display device 100. The processors 114 may use algorithms or other calculation methods to determine the injected color information. Additionally, one or more processors 114 may control the color light sources in the spatially addressable backlight generator 110 to emit light in the non-reflective direction of the semi-transparent spatial light modulator 108. do It can be configured as follows: This may include transmitting signals to the color light source to turn it on or off, or to change the color or intensity of the color light source. This may make it possible to present the injected color information on the display surface 102. The injected color information can be presented in a clear and preferred manner for the user. This presentation can be controlled to optimize the visibility and clarity of the visual information.

[0032] Figure 2 shows examples of presenting monochrome visual information 202 together with injected color information 204 on a display surface 200, according to several implementations. The display surface 200 may be part of a display device such as a monitor, television, mobile device, or any other type of device capable of displaying visual information. The display surface 200 may be configured to present both the monochrome visual information 202 and the injected color information 204.

[0033] Monochromatic visual information 202 may be generated by a monochromatic image generator (not shown in Figure 2), which may include reflecting light from a primary light source using a semitransmissive spatial light modulator. Monochromatic visual information 202 may include any type of visual information presented in a single color or in shades of a single color. For example, monochromatic visual information 202 may include text, images, videos, or any other type of visual content.

[0034] The injected color information 204 may be generated by a spatially addressable backlight generator (not shown in Figure 2), which may include a color light source array. The color light sources may be driven to selectively emit light in the non-reflective direction of a semi-transparent spatial light modulator, thereby injecting color light into the monochromatic visual information 202.

[0035] One or more processors (not shown in Figure 2) may be configured to determine the injected color information 204 for presentation on the display surface 200. One or more processors may also be configured to control a color light source in a spatially addressable backlight generator to emit light in the non-reflective direction of a semi-transparent spatial light modulator. This allows the injected color information 204, along with monochromatic visual information 202, to be presented on the display surface 200.

[0036] In some implementations, the display surface 200 may also include other components (not shown in Figure 2). These other components may include, for example, a touch sensor layer, a protective layer, a backlight layer, or any other components commonly found in a display device. These other components may be configured to work in conjunction with the display surface 200, the monochrome visual information 202, and the injected color information 204 to provide the user with a rich and immersive visual experience.

[0037] Figure 3 shows exemplary implementations of a spatially addressable backlight generator 300 in several configurations. The term "spatially addressable" refers to the device's ability to independently control different regions. This independent control can enable the generation of a backlight with varying intensity or color across the entire display. As shown in Figure 3, the spatially addressable backlight generator 300 may include an array 302 of color light sources 304 and / or other components.

[0038] The spatially addressable backlight generator 300 may be a component of a display device. The spatially addressable backlight generator 300 may be configured to illuminate a semi-transparent spatial light modulator with a backlight, and the semi-transparent spatial light modulator may be part of a monochromatic image generation device. The spatially addressable backlight generator 300 may include an array 302 of color light sources 304 that are driven to selectively emit light in the non-reflective direction of the semi-transparent spatial light modulator. This allows color light to be injected into monochromatic visual information generated by the monochromatic image generation device, and the injected color information is then presented on the display surface together with the monochromatic visual information.

[0039] The array 302 may be a grid-like arrangement of color light sources 304. The array 302 may be of any size and may be configured to provide local colors to the display. The color light sources 304 in the array 302 may be light-emitting diodes (LEDs) capable of emitting light of different colors. The color light sources 304 can be driven to selectively emit light of different colors, thus providing the ability to address any color.

[0040] The color light source 304 may be red, green, and blue (RGB) LEDs. RGB LEDs may be capable of emitting light of different colors when driven by appropriate control signals. RGB LEDs may be arranged in an array 302 so as to provide local colors to the display. RGB LEDs may be driven to selectively emit light of different colors, thereby providing the ability to address any color.

[0041] The spatially addressable backlight generator 300 may be controlled by one or more processors. One or more processors determine the color information injected to be presented on the display surface in order to emit light in the non-reflective direction of the semi-transparent spatial light modulator and control the color light source 304 within the spatially addressable backlight generator 300. do It can be configured in such a way that the injected color information can be presented on the display surface.

[0042] A spatially addressable backlight generator 300, array 302, and color light source 304 may be components of a display device. The display device may be part of a larger system, such as a computer system, a television system, a mobile device, or any other system that includes a display. The display device may be configured to present visual information, including monochrome visual information and injected color information, on the display surface.

[0043] Figure 4 shows exemplary implementations of the spatially addressable backlight generator 400 in several configurations. As shown in Figure 4, the spatially addressable backlight generator 400 may include a color-transmissive liquid crystal display (LCD) stack 402 and / or other components.

[0044] The LCD stack 402 may include multiple layers of the liquid crystal material, each layer capable of transmitting light of a different color. The LCD stack 402 may be controlled by a processor. The processor may determine the color and intensity of the light that will be transmitted through each layer of the LCD stack 402. The processor may also control a spatially addressable backlight generator 400 to backlight a semi-transparent spatial light modulator, injecting colored light into the monochromatic visual information generated by a monochromatic image generator.

[0045] The spatially addressable backlight generator 400 may be part of a display device. The display device may include a display surface, a monochromatic image generator, a semi-transparent spatial light modulator, and one or more processors. The display device may be designed to present visual information on the display surface. This visual information includes monochromatic visual information generated by the monochromatic image generator and injected color information generated by the spatially addressable backlight generator 400.

[0046] Figure 5 is a diagram illustrating exemplary methods 500 for using a display device in several implementation configurations. For illustrative purposes, the steps of method 500 are described herein as occurring sequentially or linearly. However, multiple steps of method 500 may occur in parallel.

[0047] In step 502, the display device may receive input data. This data may be any form of visual information that needs to be displayed on the device.

[0048] In step 504, the input data may be processed using one or more processors of the display device. This processing step may include determining monochromatic visual information and injected color information from the input data.

[0049] In step 506, the display device may control a monochrome image generator to generate monochrome visual information for display on the device's display surface. This monochrome image generator is responsible for creating grayscale or black and white visual content.

[0050] In step 508, the display device may control a spatially addressable backlight generator to backlight a semi-transmissive spatial light modulator of a monochromatic image generator. The spatially addressable backlight generator may include a color light source array that is driven to selectively emit light in the non-reflective direction of the semi-transmissive spatial light modulator.

[0051] In step 510, the emitted colored light is injected into the monochromatic visual information, so that the injected colored information is presented on the display surface together with the monochromatic visual information.

[0052] In step 512, the injected color information and monochrome visual information can be presented on the display surface. This makes it possible to realize a display that provides some color information while maintaining the high reflectivity of a monochrome display.

[0053] In some implementations, a display system using a color reflective LCD can be used instead of a monochrome LCD. This can achieve the same result of producing colors at a resolution different from the display's resolution.

[0054] In other implementations, display systems using different types of light sources, such as OLEDs or quantum dots, may be used instead of LEDs. These technologies also possess color addressability and can be used to create local colors.

[0055] Some implementations may be realized in different environments, such as digital signage or advertising displays. In such environments, the display system may be used to highlight specific parts of advertisements or messages.

[0056] Some implementations may be applied to other problems, such as improving the readability of text on a display in low-light conditions. The ability of a system to produce colors at a resolution different from the display's resolution can be used to highlight important information and make it easier to read.

[0057] In some implementations, this system may be enabled by using different methods, such as employing software algorithms, to adjust the display's color and resolution. This may provide users with more flexible and customizable options.

[0058] Another technology that can be used in some implementations is e-ink or electronic paper display technology. This technology can be combined with grid-like LEDs to create a display system that can produce colors at a resolution different from the display's resolution.

[0059] In some implementations, this system may be applied to address the problem of reducing eye strain. By generating colors at a resolution different from the display resolution, the display system may enable an eye-friendly display, thereby reducing eye strain for the user.

[0060] This technology is described in detail for illustrative purposes only, based on what is currently considered the most practical and preferred implementation. However, such details are for that purpose only, and this technology is not limited to the disclosed implementations. Rather, it is intended to cover modifications and equivalent adjustments that fall within the spirit and scope of the appended claims. For example, it is assumed that, where possible, one or more features of any implementation can be combined with one or more features of any other implementation.

Claims

1. A display device, wherein the display device is Display surface and, A monochrome image generating device configured to generate monochrome visual information for display on the aforementioned display surface, wherein the device generates an image by reflecting light from a primary light source using a semi-transmissive spatial light modulator, A spatially addressable backlight generator configured to illuminate the semi-transparent spatial light modulator with a backlight, wherein the spatially addressable backlight generator includes an array of color light sources driven to selectively emit light in the non-reflective direction of the semi-transparent spatial light modulator in order to inject color light into the monochromatic visual information generated by the monochromatic image generation device, and both the thereby injected color information and the monochromatic visual information are presented together on the display surface, One or more processors, The color information that is displayed on the display surface is determined, One or more processors configured to control the color light source in the spatially addressable backlight generator to cause the semi-transparent spatial light modulator to emit light in the non-reflective direction, thereby enabling the presentation of the injected color information, Equipped with, The spatially addressable backlight generator is configured to independently control different color light sources within the array of color light sources. The semi-transparent spatial light modulator is a display device in which a physical passage is formed between the non-reflective side and the reflective side, and the color light generated by the spatially addressable backlight generator passes through the physical passage, and the color light is injected into the monochromatic visual information.

2. The display device according to claim 1, wherein the one or more processors are further configured to control the monochrome image generation device for generating the monochrome visual information to be displayed on the display surface.

3. The one or more processors further, Presentation information that defines visual information to be presented on the display surface, wherein the presentation information defines the visual information by color, and the presentation information is acquired, From the presented information, the monochrome visual information to be generated by the monochrome image generation device is determined. The injected color information is determined from the presented information. The display device according to claim 2, configured as described above.

4. The display device according to claim 1, wherein the monochrome visual information displayed on the display surface has a higher resolution than the injected color information presented on the display surface.

5. The display device according to claim 1, wherein the monochromatic image generating device is capable of generating the monochromatic visual information to be displayed on the display surface at a resolution at least 100 times higher than the maximum resolution of the injected color information that the spatially addressable backlight generator can generate on the display surface.

6. The display device according to claim 1, wherein the color light source includes a side-mounted LED.

7. The display device according to claim 6, wherein the side-mounted LED includes an LED that emits light of at least one of three different colors.

8. The display apparatus according to claim 1, wherein the semi-transmissive spatial light modulator includes a transmissive liquid crystal device.

9. The display device according to claim 1, wherein the one or more processors are further configured such that the determination of the injected color information is performed based on user interaction with the monochromatic visual information displayed on the display surface.

10. The display apparatus according to claim 1, wherein the spatially addressable backlight generator includes a transmissive liquid crystal device, and the array of color light sources is arranged in a two-dimensional grid.

11. A method for using a display device, Receiving input data and, To determine monochromatic visual information and injected color information, the input data is processed using one or more processors of the display device, To generate the monochrome visual information to be displayed on the display surface of the display device, the monochrome image generation device of the display device is controlled. Controlling a spatially addressable backlight generator of a display device to illuminate a semi-transmissive spatial light modulator of the monochromatic image generation device with a backlight, wherein the spatially addressable backlight generator includes an array of color light sources driven to selectively emit light in the non-reflective direction of the semi-transmissive spatial light modulator to inject color light into the monochromatic visual information, and the spatially addressable backlight generator is presented on the display surface together with the injected color information and the monochromatic visual information. To present both the injected color information and the monochromatic visual information together on the display surface, Includes, The spatially addressable backlight generator is configured to independently control different color light sources within the array of color light sources. The semi-transparent spatial light modulator has a physical passage formed between a non-reflective side and a reflective side, through which the color light generated by the spatially addressable backlight generator passes, and the color light is injected into the monochromatic visual information.

12. The method according to claim 11, wherein the processing of the input data includes controlling the monochrome image generation device to generate the monochrome visual information for display on the display surface.

13. The process involves obtaining presentation information that defines visual information to be presented on the display surface, wherein the presentation information defines the visual information by color, and the acquisition of such information includes: From the presented information, determine the monochrome visual information to be generated by the monochrome image generation device, From the presented information, determine the injected color information, The method according to claim 12, further comprising:

14. The method according to claim 11, wherein the monochrome visual information displayed on the display surface has a higher resolution than the injected color information presented on the display surface.

15. The method according to claim 11, wherein the monochromatic image generating device is capable of generating the monochromatic visual information to be displayed on the display surface at a resolution at least 100 times the highest resolution of the injected color information that the spatially addressable backlight generator can generate on the display surface.

16. The method according to claim 11, wherein the control of the spatially addressable backlight generator includes controlling a side-mounted LED.

17. The method according to claim 16, wherein the side-mounted LED includes an LED that emits light of at least one of three different colors.

18. The method according to claim 11, wherein the semi-transmissive spatial light modulator includes a semi-transmissive liquid crystal device, the determination of the injected color information is performed based on user interaction with the monochromatic visual information displayed on the display surface, and the spatially addressable backlight generator includes a transmissive liquid crystal device.

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