KR20240107622A - Display apparatus - Google Patents

Abstract

This specification relates to a display device that can selectively improve the color gamut and color accuracy of the trade-off relationship by adjusting the half width of the spectral distribution according to the user environment. The display device according to some embodiments includes The display device includes a display panel on which a plurality of pixels are arranged, and a display driver that drives the display panel, and each of the plurality of pixels includes a main set of subpixels that emit light having a half width for each color, and a main set of subpixels that emit light having a half width for each color. Includes subpixels of a first boosting set that emit lights having a half width of each color that is wider than the half width of each color, and subpixels of a second boosting set that emit lights that have a half width of each color that is narrower than the half width of each color of the main set. can do.

Description

Display device {DISPLAY APPARATUS}

This specification relates to a display device that can adjust the full width at half maximum of a spectral distribution using a plurality of subpixels.

Display devices applied to electronic devices in various fields can display images using a plurality of pixels.

A display device can usually display a full color image using the three color subpixels of red, green, and blue that make up each pixel.

As display device technology develops, there is an increasing demand for an increase in color gamut to improve color reproduction.

On the other hand, when the color gamut of a display device increases, the full width at half maximum of the color wavelength in the spectral distribution decreases, resulting in a decrease in color accuracy, which increases the color perception error in which the user perceives a large color difference depending on the user. A trade-off problem may arise.

This specification provides a display device that can selectively improve color gamut and color accuracy in a trade-off relationship by adjusting the half width of the spectral distribution according to the user environment.

The problems to be solved in this specification are not limited to the problems mentioned above, and other problems not mentioned can be clearly understood by those skilled in the art in the technical field to which the technical idea of this specification belongs from the contents below. It could be.

A display device according to some embodiments includes a display panel on which a plurality of pixels are arranged, and a display driver that drives the display panel, and each of the plurality of pixels has a median half width for each color. subpixels of the main set that emit lights having a half width for each color that is wider than the median half width for each color in the main set, and subpixels in the first boosting set that emit lights that have a half width for each color in the main set that is narrower than the median half width for each color in the main set. and a second boosting set of subpixels that emit lights with a stellar full width at half maximum.

A display device according to some embodiments includes a display panel on which a plurality of pixels are arranged, and each of the plurality of pixels has a first half width, a second half width, and a third wavelength in a first wavelength band, a second wavelength band, and a third wavelength band. The first to third subpixels of the main set emitting lights each having a half maximum width, the fourth half maximum width, the fifth half maximum width, and the sixth half maximum width for each color being wider than the first to third half maximum widths in the first to third wavelength bands, respectively. fourth to sixth subpixels of the first boosting set that emit lights having a seventh, eighth, and ninth half-maximum widths for each color that are narrower than the first to third half-maximum widths in the first to third wavelength bands, respectively. It may include seventh to ninth subpixels of the second boosting set that emit lights with

In a display device according to some embodiments, when the display panel is driven in a color accuracy mode, the main set and the first boosting set may be driven in each of the plurality of pixels, and the second boosting set may be turned off.

In a display device according to some embodiments, when the display panel is driven in color gamut mode, the main set and the second boosting set may be driven in each of a plurality of pixels, and the first boosting set may be turned off.

Specific details according to various examples of this specification other than the means of solving the above-mentioned problems are included in the description and drawings below.

A display device according to some embodiments can selectively improve the color gamut and color accuracy of the trade-off relationship and reduce power consumption by selectively driving and controlling a plurality of subpixels according to the user environment to adjust the half width of the spectral distribution. can do.

A display device according to some embodiments operates in a color gamut (CG) mode or a color accuracy (CA) mode depending on the user environment to adjust the half width of the spectral distribution. In the color gamut (CG) mode, the color gamut increases due to a decrease in the half width, thereby improving color reproducibility. can be improved, and in color accuracy (CA) mode, color perception errors among users can be reduced by improving color accuracy by increasing the half width.

A display device according to some embodiments is capable of improving color accuracy according to the user by controlling the main subpixels and CA boosting subpixels in consideration of the user's actual usage environment in a color accuracy (CA) mode, thereby providing an accurate color desired by the user. Information can be provided.

Figure 1 is a block diagram schematically showing the configuration of a display device according to an embodiment.
Figure 2 is a diagram illustrating a pixel structure of a display device according to an embodiment.
FIG. 3 is a diagram illustrating a pixel structure operating in a color accuracy mode in a display device according to an embodiment.
Figure 4 is an example diagram showing spectral distribution when a display device according to an embodiment operates in a color accuracy mode.
FIG. 5 is a diagram illustrating a pixel structure operating in a color gamut mode in a display device according to an embodiment.
Figure 6 is an example diagram showing spectral distribution when a display device according to an embodiment operates in color gamut mode.
Figure 7 is a diagram illustrating a pixel structure of a display device according to an embodiment.
FIG. 8 is a diagram illustrating a pixel structure operating in a color accuracy mode in a display device according to an embodiment.
FIG. 9 is a diagram illustrating a pixel structure operating in a color gamut mode in a display device according to an embodiment.
10 and 11 are equivalent circuits illustrating the subpixel configuration of a display device according to some embodiments.
Figure 12 is an example diagram showing the results of a display device driven in a color gamut mode and a color accuracy mode according to an embodiment.
Figure 13 is an example diagram illustrating a method for checking whether a display device is applied according to an embodiment.

The advantages and features of the present specification and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present specification is not limited to the embodiments disclosed below and will be implemented in various different forms, but the present embodiments only serve to ensure that the disclosure of the present specification is complete, and are common knowledge in the technical field to which the present specification pertains. It is provided to fully inform those who have the scope of the invention, and this specification is only defined by the scope of the claims.

The shape, size, ratio, angle, number, etc. disclosed in the drawings for explaining the embodiments of the present specification are illustrative, and the present specification is not limited to the matters shown. Like reference numerals refer to like elements throughout the specification. Additionally, in describing the present specification, if it is determined that a detailed description of related known technologies may unnecessarily obscure the gist of the present specification, the detailed description will be omitted. When “includes,” “has,” “consists of,” etc. mentioned in the specification are used, other parts may be added unless “only” is used. When a component is expressed in the singular, the plural is included unless specifically stated otherwise.

When analyzing a component, the error range is interpreted to include the error range even if there is no separate explicit description of the error range.

In the case of a description of a positional relationship, for example, if the positional relationship of two parts is described as “on top,” “at the top,” “at the bottom,” “next to,” etc., for example, “right away.” Alternatively, there may be one or more other parts between the two parts, unless "directly" is used.

In the case of a description of a temporal relationship, if a temporal relationship is described as “after,” “sequentially,” “next,” “before,” etc., and it is not continuous unless “immediately” or “directly” is used. It may also be included.

Although first, second, etc. are used to describe various components, these components are not limited by these terms. These terms are merely used to distinguish one component from another. Accordingly, the first component mentioned below may be the second component within the technical idea of the present specification.

In describing the components of this specification, terms such as first, second, A, B, a, and b may be used. These terms are only used to distinguish the component from other components, and the nature, sequence, order, or number of the components are not limited by the term. When a component is described as being “connected,” “coupled,” or “connected” to another component, that component may be connected or connected to that other component directly, but indirectly, unless specifically stated otherwise. It should be understood that other components may be “interposed” between each component that is connected or capable of being connected.

“At least one” should be understood to include any combination of one or more of the associated components. For example, “at least one of the first, second, and third components” means not only the first, second, or third component, but also two of the first, second, and third components. It can be said to include a combination of all or more components.

Each feature of the various embodiments of the present specification can be combined or combined with each other, partially or entirely, and various technological interconnections and operations are possible, and each embodiment may be implemented independently of each other or together in a related relationship. It may be possible.

Hereinafter, embodiments of the present specification will be examined through the attached drawings and examples. The scale of the components shown in the drawings is different from the actual scale for convenience of explanation, and is therefore not limited to the scale shown in the drawings.

Figure 1 is a block diagram schematically showing the configuration of a display device according to an embodiment.

The display device 1000 according to one embodiment may be an electroluminescent display device using self-luminous elements. The electroluminescent display device may be an Organic Light Emitting Diode (OLED) display device, a Quantum-dot Light Emitting Diode display device, or an Inorganic Light Emitting Diode display device. . A micro light emitting diode display device may be applied to the display device 1000 according to one embodiment.

Referring to FIG. 1, the display device 1000 includes a display panel 100, a gate driver 200, a data driver 300, a timing controller 400, a gamma voltage generator 500, and a sensor module 600. It can be included. The gate driver 200, data driver 300, timing controller 400, and gamma voltage generator 500 may be expressed as a display driver. The gate driver 200 and data driver 300 can be expressed as panel drivers.

The display panel 100 is a rigid display panel or a flexible display panel capable of changing shape, such as a foldable, bendable, rollable, or stretchable display panel. It may be a display panel.

The display panel 100 displays an image using a display area (DA) in which pixels are arranged in a matrix form. The display panel 100 may include a plurality of subpixels with different full widths at half maximum (FWHM) of each color wavelength band in spectral power distribution (SPD).

In the display panel 100, each pixel has subpixels of the main set with an intermediate half maximum width, subpixels of the first boosting set with a relatively wide half maximum width, and relatively narrow half maximum widths in the red, green, and blue wavelength bands, respectively. It may include subpixels of a second boosting set. Subpixels of the main set may be driven regardless of the user's preferred mode, and subpixels of the first and second boosting sets may be selectively driven according to the user's preferred mode.

When the subpixels of the first boosting set are driven together with the subpixels of the main set, the display panel 100 can improve color accuracy (CA). When the subpixels of the second boosting set are driven together with the subpixels of the main set, the display panel 100 can improve the color gamut (CG). When the subpixels of the first and second boosting sets are driven together with the subpixels of the main set, the display panel 100 can improve color accuracy and color gamut. A detailed explanation of this will be provided later.

Each subpixel according to one embodiment may include a light-emitting device and a pixel circuit that independently drives the light-emitting device. The light emitting device may be an organic light emitting diode, a quantum dot light emitting diode, or an inorganic light emitting diode. The pixel circuit may include TFTs of various configurations, including a driving TFT (Thin Film Transistor) and a switching TFT that drive the light emitting device, and a storage capacitor. The pixel circuit of the subpixel P may be connected to signal lines including a gate line, data line, power line, etc. disposed on the display panel 100.

The display panel 100 according to one embodiment may be a panel in which a touch sensor screen that overlaps the pixel matrix of the display area DA is built in or attached.

The gate driver 200 is controlled according to a plurality of gate control signals supplied from the timing controller 400 and can individually drive the gate lines of the display panel 100. The gate driver 200 may supply a scan signal of the gate-on voltage to the corresponding gate line during the driving period of each gate line, and may supply a gate-off voltage to the corresponding gate line during the non-driving period of each gate line. The gate driver 200 may be built into the bezel area of the display panel 100 in the form of a gate in panel (GIP) formed together with thin film transistors in the display area.

Meanwhile, the gate driver 200 built into the display panel 100 may receive a plurality of gate control signals from the timing controller 400 via a level shifter (not shown). A level shifter (not shown) may receive control signals from the timing controller 400 and perform level shifting or logic processing to generate a plurality of gate control signals and supply them to the gate driver 200.

The gamma voltage generator 500 may generate a plurality of reference gamma voltages having different gamma voltage levels and supply them to the data driver 300 . The gamma voltage generator 500 may generate a plurality of reference gamma voltages corresponding to the gamma characteristics of the display device under the control of the timing controller 400 and supply them to the data driver 300. The gamma voltage generator 500 may adjust the reference gamma voltage level according to the gamma data supplied from the timing controller 400 and output it to the data driver 300. The gamma voltage generator 500 can adjust the high-potential power supply voltage, which is the maximum gamma voltage, according to the peak luminance control from the timing controller 400, and adjusts a plurality of reference gamma voltages according to the adjusted high-potential power supply voltage to generate data. It can be output using the driver 300.

The data driver 300 is controlled according to a data control signal supplied from the timing controller 400, and can convert digital data supplied from the timing controller 400 into an analog data signal using a digital-to-analog conversion circuit. The data driver 300 may subdivide the plurality of reference gamma voltages supplied from the gamma voltage generator 500 into gray scale voltages and convert digital data into an analog data signal using the segmented gray scale voltages. The data driver 300 may supply the converted data signal to the data line of the display panel 100.

In one embodiment, the data driver 300 may additionally supply a reference voltage to the reference line of the display panel 100 under the control of the timing controller 400. The data driver 300 can supply reference voltages for display and sensing according to the control of the timing controller 400.

In one embodiment, the data driver 300 may sense a signal reflecting the driving characteristics of the subpixel (P) through a reference line using a sensing unit under the control of the timing controller 400 using a voltage sensing method or a current sensing method. there is.

The timing controller 400 may control the gate driver 200 and the data driver 300 using timing control signals supplied from a host system (not shown) and timing setting information stored internally. The timing controller 400 may generate a plurality of gate control signals that control the driving timing of the gate driver 200 and supply them to the gate driver 200. The timing controller 400 may generate a plurality of data control signals that control the driving timing of the data driver 300 and supply them to the data driver 300.

The timing controller 400 can perform various image processing, including image quality correction, degradation correction, and luminance correction to reduce power consumption, on image data supplied from the host system, and sends the image-processed data to the data driver 300. ) can be supplied. In one embodiment, the timing controller 400 may be expressed as an image processor or controller.

In one embodiment, the timing controller 400 may further correct the image-processed data by applying a compensation value for the characteristic deviation of each subpixel stored in the memory before supplying it to the data driver 300. In the sensing mode, the timing controller 400 senses the characteristics of the subpixel (P) of the panel 100 through the data driver 300 and updates the compensation value of each subpixel stored in the memory using the sensing result. You can. The sensing mode of the display device 1000 may be performed according to instructions from the host system, may be performed according to a user request through the host system, or may be performed according to the driving sequence of the timing controller 400.

The timing controller 400 may receive information on at least one of the illuminance and color temperature of external light from the sensor module 600 mounted on the display device 1000. The sensor module 600 may sense the illuminance and color temperature of external light and supply the sensed illuminance and color temperature information to the timing controller 400 .

The timing controller 400 according to one embodiment may receive a user's preferred mode and set the driving mode to at least one of a color accuracy (CA) mode and a color gamut (CG) mode.

When a user selects a color accuracy (CA) mode, the timing controller 400 according to one embodiment drives the subpixels of the main set and the subpixels of the first boosting set in each pixel, and drives the subpixels of the second boosting set. Pixels can be turned off. Accordingly, the display device 1000 can improve the color accuracy of the display device 1000 by emitting red light, green light, and blue light with increased half widths in each of the red, green, and blue wavelength bands.

When a user selects a color gamut (CG) mode, the timing controller 400 according to one embodiment drives the subpixels of the main set and the subpixels of the second boosting set in each pixel, and operates the subpixels of the first boosting set. You can turn them off. Accordingly, the display device 1000 emits red light, green light, and blue light with reduced half widths in each of the red, green, and blue wavelength bands, thereby increasing the color gamut of the display device 1000 and improving color reproducibility.

When the user selects both color accuracy (CA) and color gamut (CG), the timing controller 400 according to one embodiment selects all subpixels of the main set and subpixels of the first and second boosting sets in each pixel. By driving, both the color accuracy and color gamut of the display device 1000 can be improved.

The timing controller 400 according to one embodiment may adjust pixel brightness by applying a weight considering the user's age information and adjusting the current of the subpixels of the main set and the subpixels of the selected boosting set. For example, the timing controller 400 may increase pixel brightness by applying weighting when the user's age information is an elderly person who is sensitive to brightness.

The timing controller 400 according to one embodiment may adjust pixel brightness by applying an external light color temperature weight to adjust current of subpixels of the main set and subpixels of the selected boosting set. For example, when the external light color temperature is low, the user's perceived brightness decreases, and when the external light color temperature is high, the user's perceived brightness increases, so the timing controller 400 can adjust the pixel brightness by applying a weight according to the external light color temperature.

The timing controller 400 according to one embodiment may additionally acquire the user's color perception characteristic information and adjust the current of the subpixels of the main set and the subpixels of the selected boosting set according to the user's color perception characteristic information. This allows you to adjust the pixel brightness.

In this way, the timing controller 400 according to one embodiment considers user environment information including user preference mode, user age information, external light color temperature information, personal color perception characteristics, etc., to select subpixels of the main set and the selected boosting set. Pixel brightness can be adjusted by adjusting the current of the subpixels.

The timing controller 400 according to an embodiment may adjust the current of the subpixels of the main set and the subpixels of the selected boosting set by applying the aperture ratio of the subpixels of the main set and the aperture ratio of the subpixels of the selected boosting set. .

The timing controller 400 according to an embodiment may adjust the current of the subpixels of the main set and the subpixels of the selected boosting set by applying the emission ratio of the subpixels of the main set and the emission ratio of the subpixels of the selected boosting set. .

The timing controller 400 according to one embodiment applies a subpixel rendering method to convert input R, G, and B data signals into subpixels of the main set and subpixels of the selected boosting set driven in each pixel. By distributing to correspond to , it can be converted into a data signal corresponding to the subpixels of the main set and the subpixels of the selected boosting set.

In one embodiment, the above-described image processing function may be separated from the timing controller 400 to form a separate image processing unit, and the separated image processing unit may be connected to the input terminal of the timing controller 400.

The display device 1000 may further include a power management circuit (not shown) that generates and supplies various driving voltages necessary for operating the overall components of the display device 1000 using an input voltage supplied from the outside.

FIG. 2 is a perspective view illustrating the pixel structure of a display device according to an embodiment, and FIGS. 3 and 4 are diagrams illustrating a pixel structure and spectral distribution operating in a color accuracy mode in a display device according to an embodiment. Figures 5 and 6 are exemplary diagrams showing a pixel structure and spectral distribution operating in a color gamut mode in a display device according to an embodiment.

2 to 6, each pixel (PX) is a main set (Full Width at Half Maximum (FWHM)) having different full width at half maximum (FWHM) in the red, green, and blue wavelength bands of the spectral power distribution (SPD), respectively. Main set) red, green, and blue subpixels (Rm, Gm, Bm), red, green, and blue subpixels (Rw, Gw, Bw) of the first boosting set, red, green, and It may include blue subpixels (Rn, Gn, Bn), and the main set may further include a white subpixel (Wm) to improve luminance.

The red, green, and blue subpixels (Rm, Gm, Bm) of the main set are red, green, and blue lights with intermediate half widths (W1, W2, and W3) in the red, green, and blue wavelength bands of the spectral distribution, respectively. can emit each, and the white subpixel (Wm) can emit white light including all red, green, and blue wavelength bands.

The subpixels (Rw, Gw, Bw) of the first boosting set have a half width (W4, W5, It can emit red light, green light, and blue light with W6).

The subpixels (Rn, Gn, Bn) of the second boosting set have a half width (W7, W8, W9) narrower for each color than the middle half width (W1, W2, W3) in each of the red, green, and blue wavelength bands of the spectral distribution. It can emit red light, green light, and blue light.

The subpixels (Rw, Gw, Bw) of the first boosting set and the subpixels (Rn, Gn, Bn) of the second boosting set have a two-layer structure overlapped in the thickness direction (Z, third direction) for each color. can be placed. The subpixels (Rm, Gm, Bm) of the main set may be arranged adjacent to the two-layer structure of the boosting subpixels (Rw, Gw, Bw) (Rn, Gn, Bn) by color.

For example, the main red subpixel (Rm) is arranged adjacent to the two-layer structure of the first and second boosting red subpixels (Rn/Rw) in the first and second directions (X, Y), and the boosting It may have the same or similar thickness as the two-layer structure of the red subpixels (Rn/Rw). Each of the first and second boosting red subpixels (Rn/Rw) may have a thickness similar to or different from each other and may have a thickness smaller than that of the main red subpixel (Rm).

The main green subpixel (Gm) is disposed adjacent to the two-layer structure of the first and second boosting green subpixels (Gn/Gw) in the first and second directions (X, Y), and the boosting green subpixels It may have the same or similar thickness as the two-layer structure of (Gn/Gw). Each of the first and second boosting green subpixels (Gn/Gw) may have a thickness similar to or different from each other and may have a thickness smaller than that of the main green subpixel (Gm).

The main blue subpixel (Bm) is disposed adjacent to the two-layer structure of the first and second boosting blue subpixels (Bn/Bw) in the first and second directions (X, Y), and the boosting blue subpixels It may have the same or similar thickness as the two-layer structure of (Bn/Bw). Each of the first and second boosting blue subpixels (Bn/Bw) may have a thickness similar to or different from each other and may have a thickness smaller than that of the main blue subpixel (Bm).

The red, green, blue, and white subpixels (Rm, Gm, Bm, Wm) of the main set may be arranged side by side in the first direction (X) in each pixel (PX) and may be long in the second direction (Y). It can have a shape.

The two-layer structure for each color of the red, green, and blue subpixels (Rn/Rw, Gn/Gw, Bn/Bw) of the boosting set is the red, green, blue, and white subpixels (Rm, Gm, Bm) of the main set. , Wm) and may be arranged alternately in the first direction (X) and may have a long shape in the second direction (Y).

The two-layer structure for each color of the red, green, and blue subpixels (Rn/Rw, Gn/Gw, Bn/Bw) of the boosting set is the red, green, and blue subpixels (Rm, Gm, Bm) of the main set. Each color may have a short width in the first direction (X) and a short length in the second direction (Y).

The two-layer structure for each color of the red, green, and blue subpixels (Rn/Rw, Gn/Gw, Bn/Bw) of the boosting set is the red, green, and blue subpixels (Rm, Gm, Bm) of the main set. Each color may have a different or similar emission area.

In the main set, the emission area of each red, green, and blue subpixel (Rm, Gm, Bm) may be different or similar for each color, considering the luminous efficiency and afterimage life of each color.

In the boosting set, the emission area of each red, green, and blue subpixel (Rn/Rw, Gn/Gw, Bn/Bw) may be different or similar for each color, considering the luminous efficiency and afterimage life of each color.

The display device 1000 according to one embodiment is driven in the color accuracy (CA) mode for improving color accuracy (CA) shown in FIGS. 3 and 4 or in the color accuracy (CA) mode for improving color accuracy (CA) shown in FIGS. 3 and 4, or in the color accuracy (CA) mode shown in FIGS. 5 and 6, depending on the user's preferred mode. It may be driven in color gamut (CG) mode to improve the illustrated color gamut (CG).

Referring to FIGS. 3 and 4, when the display device 1000 according to an embodiment is driven in a color accuracy (CA) mode for improving color accuracy (CA), each pixel (PX) contains a subpixel of the main set. (Rm, Gm, Bm, Wm) and the subpixels (Rw, Gw, Bw) of the first boosting set can be driven to increase the half width of each of the red, green, and blue wavelength bands. At this time, the subpixels (Rn, Gn, Bn) of the second boosting set may be turned off.

Accordingly, the display device 1000 according to one embodiment can provide a high level of color accuracy customized to users such as movie editors, colorists, and shopping consumers, and as a result, user satisfaction can be improved. .

The display device according to one embodiment includes a weight considering user environment information including user age information, external light color temperature information, and personal color perception characteristics, and a weight considering the aperture ratio of the main subpixels (Rm, Gm, Bm, Wm). , by applying the emission ratio of the main subpixels (Rm, Gm, Bm, Wm) and the emission ratio of the first boosting subpixels (Rw, Gw, Bw), the main set of subpixels (Rm, Gm, Bm) , Wm) and the current of the subpixels (Rw, Gw, Bw) of the first boosting set, the pixel brightness can be adjusted.

The display device according to one embodiment includes a weight considering user environment information and a weight considering the aperture ratio of the main subpixels (Rm, Gm, Bm, Wm) among the main subpixels (Rm, Gm, Bm, Wm). By applying it to the white subpixel (Wm), the current of the white subpixel (Wm) can be adjusted. The display device according to one embodiment may adjust the current of the remaining main subpixels (Rm, Gm, and Bm) by applying the emission ratio of the remaining main subpixels (Rm, Gm, and Bm). The current of the first boosting subpixels (Rw, Gw, Bw) can be adjusted by applying the emission ratio of the first boosting subpixels (Rw, Gw, Bw) to the first boosting subpixels (Rw, Gw, Bw). You can.

Referring to FIGS. 5 and 6 , when the display device 1000 is driven to improve the color gamut (CG), the main set of subpixels (Rm, Gm, Bm, Wm) in each pixel (PX) ) and the subpixels (Rn, Gn, Bn) of the second boosting set can be driven to reduce the half width of each of the red, green, and blue wavelength bands. At this time, the subpixels (Rw, Gw, Bw) of the first boosting set may be turned off.

Accordingly, the display device 1000 according to one embodiment can provide a wide color gamut (CG) to users who want colorfulness and reality images with a wide color reproduction range, resulting in user satisfaction. can be improved.

The display device according to one embodiment includes a weight considering user environment information including user age information, external light color temperature information, and personal color perception characteristics, and a weight considering the aperture ratio of the main subpixels (Rm, Gm, Bm, Wm). , by applying the emission ratio of the main subpixels (Rm, Gm, Bm, Wm) and the emission ratio of the subpixels (Rn, Gn, Bn) of the second boosting set, the subpixels (Rm, Gm) of the main set , Bm, Wm) and the current of the subpixels (Rn, Gn, Bn) of the second boosting set, the pixel brightness can be adjusted.

The display device according to one embodiment includes a weight considering user environment information and a weight considering the aperture ratio of the main subpixels (Rm, Gm, Bm, Wm) among the main subpixels (Rm, Gm, Bm, Wm). By applying it to the white subpixel (Wm), the current of the white subpixel (Wm) can be adjusted. The display device according to one embodiment may adjust the current of the remaining main subpixels (Rm, Gm, and Bm) by applying the emission ratio of the remaining main subpixels (Rm, Gm, and Bm). The current of the second boosting subpixels (Rn, Gn, Bn) is applied to the subpixels (Rn, Gn, Bn) of the second boosting set by applying the emission ratio of the second boosting subpixels (Rn, Gn, Bn). can be adjusted.

FIG. 7 is a perspective view illustrating a pixel structure of a display device according to an embodiment, FIG. 8 is an illustrative diagram illustrating a pixel structure operating in a color accuracy mode in a display device according to an embodiment, and FIG. 9 is an embodiment. This is an example diagram showing a pixel structure operating in color gamut mode in a display device according to .

Compared to the pixel PX shown in FIG. 2, the pixel PX shown in FIG. 7 has the same configuration except that the white subpixel Wm of the main set is omitted, and thus has an overlapping configuration with FIG. 2. I will briefly mention them.

Referring to FIG. 7 and FIG. 9, each pixel (PX) of the display device according to one embodiment emits red light, green light, and blue light with intermediate half widths (W1, W2, W3), respectively. Blue subpixels (Rm, Gm, Bm), red of the first boosting set that emits red light, green light, and blue light with a half width (W4, W5, W6) wider for each color than the middle half width (W1, W2, W3), Green and blue subpixels (Rw, Gw, Bw) and a second boosting set that emits red light, green light, and blue light with narrower half widths (W7, W8, W9) for each color than the intermediate half widths (W1, W2, W3). It may include red, green, and blue subpixels (Rn, Gn, Bn).

The display device according to one embodiment is driven in a color accuracy (CA) mode for improving color accuracy (CA) shown in FIG. 8 or in a color gamut (CG) mode for improving color gamut (CG) shown in FIG. 9, depending on the user's preferred mode. It can be driven in color gamut (CG) mode.

A display device according to an embodiment includes weights that consider user environment information including user age information, external light color temperature information, and personal color perception characteristics, an aperture ratio of main subpixels (Rm, Gm, Bm), and main subpixels. By applying the emission ratio of (Rm, Gm, Bm) and the emission ratio of the first boosting subpixels (Rw, Gw, Bw), the subpixels (Rm, Gm, Bm) of the main set and the first boosting set Pixel brightness can be adjusted by adjusting the current of the subpixels (Rw, Gw, Bw).

Referring to FIG. 8, when the display device is driven in a color accuracy (CA) mode for improving color accuracy (CA), the main set of subpixels (Rm, Gm, Bm) and the second subpixels (Rm, Gm, Bm) in each pixel (PX) 1 The subpixels (Rw, Gw, Bw) of the boosting set are driven to increase the half width of each of the red, green, and blue wavelength bands, thereby improving color accuracy (CA). At this time, the subpixels (Rn, Gn, Bn) of the second boosting set may be turned off.

Referring to FIG. 9, when the display device 1000 is driven to improve the color gamut (CG), the main set of subpixels (Rm, Gm, Bm) and the second subpixels (Rm, Gm, Bm) in each pixel (PX) The subpixels (Rn, Gn, Bn) of the boosting set are driven to reduce the half width of each red, green, and blue wavelength band, thereby improving color gamut (CG) and improving color reproducibility. At this time, the subpixels (Rw, Gw, Bw) of the first boosting set may be turned off.

A display device according to an embodiment includes weights that consider user environment information including user age information, external light color temperature information, and personal color perception characteristics, an aperture ratio of main subpixels (Rm, Gm, Bm), and main subpixels. By applying the emission ratio of (Rm, Gm, Bm) and the emission ratio of the second boosting subpixels (Rn, Gn, Bn), the subpixels (Rm, Gm, Bm) of the main set and the second boosting set Pixel luminance can be adjusted by adjusting the current of the subpixels (Rn, Gn, Bn).

10 and 11 are equivalent circuit diagrams illustrating pixel circuit configurations of subpixels according to some embodiments.

Referring to FIG. 10, the subpixel SPa according to one embodiment includes a first power line (PW1) that supplies a first power supply voltage (EVDD) (high potential power supply voltage), and a second power supply voltage (EVSS) ( a light-emitting element (EL) connected between the second power line (PW2) that supplies a low-potential power supply voltage), and first and second switching TFTs (ST1, ST2) to independently drive the light-emitting element (EL), and A pixel circuit may be provided that includes at least a driving TFT (DT) and a storage capacitor (Cst). Each of the TFTs of the pixel circuit may use at least one of polysilicon semiconductor, amorphous silicon semiconductor, and oxide semiconductor.

The light emitting element EL may include an anode connected to the source node N2 of the driving TFT DT, a cathode connected to the second power line PW2, and an organic light emitting layer between the anode and the cathode. The anode is independent for each subpixel, but the cathode may be a common electrode shared by all subpixels. When a driving current is supplied from the driving TFT (DT) to the light emitting element (EL), electrons from the cathode are injected into the organic light emitting layer, and holes from the anode are injected into the organic light emitting layer, resulting in fluorescence or emission due to recombination of electrons and holes in the organic light emitting layer. By emitting light from a phosphorescent material, light with a luminance proportional to the current value of the driving current can be generated.

The first switching TFT (ST1) is driven by the scan gate signal (SCn) supplied to the first gate line (Gn1) from the gate driver (200, FIG. 1) and the data line ( The data voltage (Vdata) supplied to Dm) can be supplied to the gate node (N1) of the driving TFT (DT).

The second switching TFT (ST2) is driven by the sense gate signal (SEn) supplied to the second gate line (Gn2) from the gate driver (200, FIG. 1) and the reference line ( The reference voltage (Vref) supplied to Rm) can be supplied to the source node (N2) of the driving TFT (DT). Meanwhile, in the sensing mode, the second switching TFT (ST2) may provide a current reflecting the characteristics of the driving TFT (DT) or the characteristics of the light emitting element (EL) to the reference line (Rm).

The first and second switching TFTs (ST1, ST2) may be controlled by different gate lines (Gn1, Gn2), as shown in FIG. 8A, or may be controlled by the same gate line.

A storage capacitor (Cst) connected between the gate node (N1) and the source node (N2) of the driving TFT (DT) is connected to the gate node (N1) and the source node (N1) through the first and second switching TFTs (ST1, ST2). The difference voltage between the data voltage (Vdata) and the reference voltage (Vref) respectively supplied to N2) is charged with the driving voltage (Vgs) of the driving TFT (DT), and the first and second switching TFTs (ST1, ST2) are turned off. The charged driving voltage (Vgs) can be held during the light emission period.

The driving TFT (DT) can control the light emission intensity of the light emitting device (EL) by controlling the current (Ids) flowing to the light emitting device (EL) according to the driving voltage (Vgs) charged in the storage capacitor (Cst).

Referring to FIG. 11, the pixel circuit of the subpixel (SPb) according to one embodiment includes a light emitting element (EL), a driving TFT (DT) that supplies current to the light emitting element (EL), and a plurality of TFTs (T1 to T6). , may include a storage capacitor (Cst). Each of the TFTs of the pixel circuit can use any one of polysilicon semiconductor, amorphous silicon semiconductor, and oxide semiconductor.

In one embodiment, the driving TFT (DT) and the TFTs (T1 to T6) may be composed of a combination of P-type polysilicon TFT and N-type oxide TFT.

The light emitting element (EL) includes an anode connected to the drain electrode of the driving TFT (DT) through the light emission control TFT (T5), a cathode connected to the second power line 110 that supplies the second power voltage (EVSS), and , an organic light-emitting layer may be provided between the anode and the cathode. The light emitting element (EL) may generate light with a brightness proportional to the current value of the driving current supplied from the driving TFT (DT).

The compensation TFT (T4) is controlled by the first gate line 104 and has a second node (N2) connected to the gate electrode of the driving TFT (DT), and a third node connected to the drain electrode of the driving TFT (DT). (N3) can be connected. The compensation TFT (T4) is turned on by the gate-on voltage of the first scan signal (SC1[n]) supplied through the first gate line 104, and the gate electrode and drain electrode of the driving TFT (DT) are connected to each other. By connecting, the driving TFT (DT) can be connected in a diode structure.

The switching TFT (T1) is controlled by the second gate line 105 and can connect the data line 102 and the first node (N1) connected to the source electrode of the driving TFT (DT). The switching TFT (T1) is turned on by the gate-on voltage of the second scan signal (SC2[n]) supplied through the second gate line 105, and the data voltage ( Vdata) can be supplied to the source electrode of the driving TFT (DT).

The operation control TFT (T2) is controlled by the fifth gate line 111 and is connected to the first power line 103 that supplies the first power voltage (EVDD) and the source electrode of the driving TFT (DT). Nodes (N1) can be connected. The operation control TFT (T2) is turned on by the gate-on voltage of the light emission control signal (EM[n]) supplied through the fifth gate line 111, and the second voltage supplied through the first power line 103 is turned on. 1 The power supply voltage (EVDD) can be supplied to the source electrode of the driving TFT (DT).

The light emission control TFT (T5) is controlled by the fifth gate line 111 and has a third node (N3) connected to the drain electrode of the driving TFT (DT) and a fourth node connected to the anode electrode of the light emitting element (EL). Nodes (N4) can be connected. The light emission control TFT (T5) is turned on by the gate-on voltage of the light emission control signal (EM[n]) supplied through the fifth gate line 111, and the drain electrode of the driving TFT (DT) and the light emitting element ( The anode electrode of EL) can be connected.

The first initialization TFT (T3) is controlled by the third gate line 106 and can connect the third node (N3) connected to the drain electrode of the driving TFT (DT) and the first initialization voltage line 108. there is. The first initialization TFT (T3) is turned on by the gate-on voltage of the third scan signal (SC3[n]) supplied through the third gate line 106, and is connected to the drain electrode of the driving TFT (DT). The first initialization voltage Vini supplied through the first initialization voltage line 108 may be supplied to the third node N3.

The second initialization TFT (T6) is controlled by the fourth gate line 107 and can connect the second initialization voltage line 109 and the fourth node (N4) connected to the anode of the light emitting element (EL). . The second initialization TFT (T6) is turned on by the gate-on voltage of the fourth gate signal (SC3[n+1]) supplied through the fourth gate line 107, and is connected to the anode electrode of the light emitting device (LED). A second initialization voltage (VAR, anode reset voltage) supplied through the second initialization voltage line 109 may be supplied to the fourth node N4 connected to .

The storage capacitor (Cst) may be connected between the first power line 103 and the second node (N2) connected to the gate electrode of the driving TFT (DT). The storage capacitor (Cst) connects the first power voltage (EVDD) supplied through the first power line 103, the switching TFT (T2), the driving TFT (DT), and the compensation TFT (T1) from the data line 102. The difference voltage with the data voltage (Vdata) supplied to the second node (N2) can be charged. While the driving TFT (DT) is connected to the diode structure through the compensation TFT (T4), the storage capacitor (Cst) can sample and store the threshold voltage (Vth) of the driving TFT (DT). A data voltage (Vdata+Vth) in which the threshold voltage (Vth) is compensated may be provided to the gate electrode. Accordingly, the storage capacitor Cst can charge the difference voltage between the first power voltage EVDD and the data voltage Vdata for which the threshold voltage Vth of the driving TFT DT is compensated as the target voltage, The charged target voltage can be provided as a driving voltage (Vgs) between the gate and source electrodes of the driving TFT (DT). Accordingly, the difference in characteristics of the driving TFT (DT) between subpixels can be compensated.

The driving TFT (DT) can control the light emission intensity of the light emitting device (EL) by controlling the current (Ids) flowing to the light emitting device (EL) according to the driving voltage charged in the storage capacitor (Cst).

In FIG. 11 , the first to fourth gate lines 104, 105, 106, and 107 may be driven by a scan driver included in the gate driver 200, and the fifth gate line 111 may be driven by the gate driver 200. ) can be driven by the light emission control driver included in the. The data voltage (Vdata) is supplied from the data driver 300, and the first power voltage (EVDD), the second power voltage (EVSS), the first initialization voltage (Vini), and the second power supply voltage (EVDD) are supplied from the power management circuit (not shown). Reset voltage (VAR) can be supplied.

Figure 12 is an example diagram showing the results of a display device driven in a color gamut mode and a color accuracy mode according to an embodiment.

Referring to FIG. 12, when the display device according to an embodiment is driven in color gamut (CG) mode, the subpixels (Rm/Gm/Bm/Wm or Rm/Gm/Bm) of the main set (Pm) and the second The subpixels (Rn/Gn/Bn) of the boosting set (Pn) are driven to reduce the half width (W7, W8, W9) of each of the red, green, and blue wavelength bands, and as a result, the color gamut (CG) range (Coverage) can be reduced. ) is improved, so it can be seen that color reproducibility is improved.

Referring to FIG. 12, when the display device according to an embodiment is driven in color accuracy (CA) mode, the subpixels (Rm/Gm/Bm/Wm or Rm/Gm/Bm) of the main set (Pm) and 1 The subpixels (Rw/Gw/Bw) of the boosting set (Pw) are driven to reduce the half width (W4, W5, W6) of each red, green, and blue wavelength band, and as a result, color difference perception characteristics among users It can be seen that the observer metamerism (OM) error, which represents , is reduced and color accuracy is improved.

Figure 13 is an exemplary diagram illustrating a method for checking whether a display device is applied according to an embodiment.

Applicability of the display device according to one embodiment can be determined by checking the pixel structure shown in FIGS. 2, 3, 5, and 7 to 9 and pixel driving according to the display option.

Applicability of the display device according to one embodiment can be determined by measuring the spectral distribution of the display device driven according to the display option, and confirming that the half width of each color of red light, green light, and blue light is variable, as shown in FIGS. 4 and 6. You can.

Applicability of the display device according to one embodiment can be determined by measuring the color gamut and observer metamerism (OM) values depending on the display option and confirming that the measured values vary.

Referring to FIG. 13(a), it can be seen that the display device according to the comparative example has a fixed value (P1) as a result of measuring color gamut and observer metamerism (OM) values.

Referring to FIG. 13(b), the display device according to one embodiment measures a plurality of different measurement results of color gamut and observer metamerism (OM) values according to display options selectable by the user. It can be seen that it varies with the values (P2, P3, P4).

A display device according to some embodiments includes a display panel on which a plurality of pixels are arranged, and a display driver that drives the display panel, wherein each of the plurality of pixels is a sub-set of the main set that emits light having an intermediate half width for each color. pixels, subpixels of a first boosting set that emit lights having a half width per color that is wider than the half width per color of the main set, and subpixels of a first boosting set that emit lights that have a half width of each color that is narrower than the half width of each color of the main set. It may include subpixels of 2 boosting sets.

In a display device according to some embodiments, the main set of subpixels includes first to first to second half-widths that emit light having a first half-maximum width, a second half-maximum width, and a third half-maximum width in the first wavelength band, the second wavelength band, and the third wavelength band, respectively. It includes 3 subpixels, and the subpixels of the first boosting set emit light having a fourth half maximum width, a fifth half maximum width, and a sixth half maximum width for each color, respectively, in the first to third wavelength bands than the first to third half maximum widths. It includes fourth to sixth subpixels that emit, and the subpixels of the second boosting set have a seventh half-maximum width, an eighth half-maximum width, and a ninth half-maximum width for each color that are narrower than the first to third half-maximum widths in the first to third wavelength bands. It may include seventh to ninth subpixels that each emit light having .

In a display device according to some embodiments, the fourth to sixth subpixels of the first boosting set and the seventh to ninth subpixels of the second boosting set may be arranged in a two-layer structure overlapped in the thickness direction for each color. You can.

In a display device according to some embodiments, each of the first to third subpixels of the main set may be arranged adjacent to subpixels of a two-layer structure by color.

In a display device according to some embodiments, the main set may additionally include white subpixels.

In a display device according to some embodiments, the display driver drives in a color accuracy mode according to a user's preferred mode, drives subpixels of the main set and subpixels of the first boosting set in the color accuracy mode, and drives the subpixels of the first boosting set in the color accuracy mode. Subpixels of the boosting set can be turned off.

In a display device according to some embodiments, the display driver acquires user environment information including at least one of the user's age information, external light color temperature information, and personal recognition characteristic information, and applies a weight considering the obtained user environment information. The current of the subpixels of the main set and the subpixels of the first boosting set can be adjusted.

In a display device according to some embodiments, the display driver further considers at least one of aperture ratio information of main set subpixels, emission ratio information of main set subpixels, and emission ratio information of subpixels of the first boosting set, The current of the subpixels of the main set and the subpixels of the first boosting set can be adjusted.

In a display device according to some embodiments, the display driver drives in a gamut mode according to a user's preferred mode, drives subpixels of the main set and subpixels of a second boosting set in the gamut mode, and drives subpixels of the main set and subpixels of the first boosting set in the gamut mode. The subpixels of can be turned off.

In a display device according to some embodiments, the display driver acquires user environment information including at least one of the user's age information, external light color temperature information, and personal recognition characteristic information, and applies a weight considering the obtained user environment information. The current of the subpixels of the main set and the subpixels of the second boosting set can be adjusted.

In a display device according to some embodiments, the display driver further considers at least one of aperture ratio information of main set subpixels, emission ratio information of main set subpixels, and emission ratio information of subpixels of a second boosting set, The current of the subpixels of the main set and the subpixels of the second boosting set can be adjusted.

In a display device according to some embodiments, the display driver drives in a color accuracy mode and a color gamut mode according to a user's preferred mode, and operates the main set of subpixels and the first and second boosting subs in the color accuracy mode and the color gamut mode. Pixels can be driven.

A display device according to some embodiments includes a display panel on which a plurality of pixels are arranged, and each of the plurality of pixels has a first half width, a second half width, and a third wavelength in a first wavelength band, a second wavelength band, and a third wavelength band. The first to third subpixels of the main set emitting lights each having a half maximum width, the fourth half maximum width, the fifth half maximum width, and the sixth half maximum width for each color being wider than the first to third half maximum widths in the first to third wavelength bands, respectively. fourth to sixth subpixels of the first boosting set that emit lights having a seventh, eighth, and ninth half-maximum widths for each color that are narrower than the first to third half-maximum widths in the first to third wavelength bands, respectively. It may include seventh to ninth subpixels of the second boosting set that emit lights with

In a display device according to some embodiments, when the display panel is driven in a color accuracy mode, the main set and the first boosting set may be driven in each of the plurality of pixels, and the second boosting set may be turned off.

In a display device according to some embodiments, when the display panel is driven in color gamut mode, the main set and the second boosting set may be driven in each of a plurality of pixels, and the first boosting set may be turned off.

As described above, the display device according to some embodiments can selectively improve the color gamut and color accuracy of the trade-off relationship by adjusting the half width of the spectral distribution by selectively driving and controlling a plurality of subpixels according to the user environment. and power consumption can be reduced.

A display device according to some embodiments operates in a color gamut (CG) mode or a color accuracy (CA) mode depending on the user environment to adjust the half width of the spectral distribution. In the color gamut (CG) mode, the color gamut increases due to a decrease in the half width, thereby improving color reproducibility. can be improved, and in color accuracy (CA) mode, color perception errors among users can be reduced by improving color accuracy by increasing the half width.

A display device according to some embodiments can improve color accuracy according to the user by controlling the main subpixels and CA boosting subpixels in consideration of the user's actual usage environment in the color accuracy (CA) mode, thereby providing accurate color customized to the user. Information can be provided.

The display device according to the present specification can be applied to all electronic devices. For example, the display device according to the present specification includes a mobile device, a video phone, a smart watch, a watch phone, a wearable device, a foldable device, and a rollable device ( rollable device, bendable device, flexible device, curved device, electronic notebook, e-book, portable multimedia player (PMP), personal digital assistant (PDA), MP3 player, Mobile medical devices, desktop PCs, laptop PCs, netbook computers, workstations, navigation, vehicle navigation, vehicle displays, televisions, wallpaper displays, It can be applied to shiny devices, gaming devices, laptops, monitors, cameras, camcorders, and home appliances.

The features, structures, effects, etc. described in the various examples of the present specification described above are included in at least one example of the present specification and are not necessarily limited to only one example. Furthermore, the features, structures, effects, etc. illustrated in at least one example of the present specification can be combined or modified and implemented in other examples by those skilled in the art in the field to which the technical idea of the present specification pertains. Therefore, contents related to such combinations and modifications should be construed as being included in the technical scope or scope of rights of this specification.

The present specification described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the technical field to which this specification pertains that various substitutions, modifications, and changes are possible without departing from the technical spirit of the present specification. It will be clear to those who have the knowledge of. Therefore, the scope of the present specification is indicated by the claims described below, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present specification.

100: display panel 200: gate driver
300: data driver 400: timing controller
500: Gamma voltage generator 600: Sensor module
1000: Display device.

Claims (17)

A display panel on which a plurality of pixels are arranged; and
Includes a display driver that drives the display panel,
Each of the plurality of pixels is,
a main set of subpixels that emit light with an intermediate full width at half maximum for each color;
Subpixels of a first boosting set that emit light having a half width for each color that is wider than the median half width for each color in the main set; and
A display device comprising subpixels of a second boosting set that emit light having a half width for each color narrower than the half width for each color of the main set. In claim 1,
The main set of subpixels includes first to third subpixels that emit light having a first half maximum width, a second half maximum width, and a third half maximum width in a first wavelength band, a second wavelength band, and a third wavelength band, respectively,
The subpixels of the first boosting set emit lights having fourth, fifth, and sixth half-maximum widths for each color that are wider than the first to third half-maximum widths in the first to third wavelength bands, respectively. Comprising a sixth subpixel,
The subpixels of the second boosting set are seventh to third wavelength bands that emit light having seventh, eighth, and ninth half maximum widths, respectively, that are narrower for each color than the first to third half widths in the first to third wavelength bands. A display device including a ninth subpixel. In claim 2,
The fourth to sixth subpixels of the first boosting set and the seventh to ninth subpixels of the second boosting set are arranged in a two-layer structure in which the fourth to sixth subpixels of the second boosting set are overlapped in the thickness direction for each color. In claim 3,
Each of the first to third subpixels of the main set is,
A display device arranged adjacent to the subpixels of the two-layer structure according to color. In claim 3,
A display device wherein the main set further includes white subpixels. In claim 1,
The display driver is,
Operates in color accuracy mode according to the user's preferred mode,
In the color accuracy mode above
A display device that drives the subpixels of the main set and the subpixels of the first boosting set and turns off the subpixels of the second boosting set. In claim 6,
The display driver is,
Obtain user environment information including at least one of the user's age information, external light color temperature information, and personal cognitive characteristic information,
A display device that adjusts current of the subpixels of the main set and the subpixels of the first boosting set by applying a weight considering the obtained user environment information. In claim 7,
The display driver is,
By additionally considering at least one of the aperture ratio information of the main set subpixels, the emission ratio information of the main set subpixels, and the emission ratio information of the subpixels of the first boosting set, the subpixels of the main set and the first boosting set are 1 A display device that adjusts the current of subpixels of a boosting set. In claim 1,
The display driver is,
Operates in color gamut mode according to the user's preferred mode,
In the above color gamut mode
A display device that drives the subpixels of the main set and the subpixels of the second boosting set and turns off the first boosting subpixels. In claim 9,
The display driver is,
Obtain user environment information including at least one of the user's age information, external light color temperature information, and personal cognitive characteristic information,
A display device that adjusts current of the subpixels of the main set and the subpixels of the second boosting set by applying a weight considering the obtained user environment information. In claim 10,
The display driver is,
By additionally considering at least one of the aperture ratio information of the main set subpixels, the emission ratio information of the main set subpixels, and the emission ratio information of the subpixels of the second boosting set, the subpixels of the main set and the second boosting set are 2 A display device that adjusts the current of subpixels of the boosting set. In claim 1,
The display driver is,
Operates in color accuracy mode and color gamut mode according to the user's preferred mode,
In the color accuracy mode and color gamut mode above,
A display device that drives subpixels of the main set and subpixels of the first and second boosting sets. It includes a display panel on which a plurality of pixels are arranged,
Each of the plurality of pixels is,
first to third subpixels of the main set that emit light having a first half maximum width, a second half maximum width, and a third half maximum width, respectively, in a first wavelength band, a second wavelength band, and a third wavelength band;
Fourth to sixth subpixels of the first boosting set that emit light having a fourth half maximum width, a fifth half maximum width, and a sixth half maximum width for each color that are wider than the first to third half maximum widths in the first to third wavelength bands. ; and
Seventh to ninth subpixels of the second boosting set that emit light having a seventh half maximum width, an eighth half maximum width, and a ninth half maximum width for each color that are narrower than the first to third half maximum widths in the first to third wavelength bands. A display device including: In claim 13,
The fourth to sixth subpixels of the first boosting set and the seventh to ninth subpixels of the second boosting set are arranged in a two-layer structure in which the fourth to sixth subpixels of the second boosting set are overlapped in the thickness direction for each color. In claim 13,
A display device wherein the main set further includes white subpixels. In claim 13,
When the display panel is driven in color accuracy mode,
A display device in which the main set and the first boosting set are driven in each of the plurality of pixels, and the second boosting set is turned off. In claim 13,
When the display panel is driven in color gamut mode,
A display device in which the main set and the second boosting set are driven in each of the plurality of pixels, and the first boosting set is turned off.

Images