Color film substrate, display panel and driving method of display panel

Abstract

The present application provides a kind of color film substrate, display panel and the driving method of display panel, the color film substrate includes first color resistance layer and second color resistance layer, first color resistance layer is electrochromic color resistance layer, first color resistance layer includes multiple first color resistance, first color resistance is one-to-one corresponding with sub-pixel area, first color resistance at least includes first sub-color resistance, second sub-color resistance and third sub-color resistance, and be configured to be able to respectively independently switch between transparent state and color state;Second color resistance layer includes and multiple second color resistance correspondingly arranged multiple first color resistance, the target color spectrum of first color resistance in color state is different from the color spectrum of corresponding second color resistance.The color film substrate, display panel and the driving method of display panel, can realize the switching of display panel in wide viewing angle and narrow viewing angle;While dark state brightness is extremely low, contrast is higher, quality is better, level is obvious, so not only can ordinary wide narrow viewing angle switching be realized, also can high contrast wide narrow viewing angle switching be realized.

Description

Technical Field

[0001] This invention relates to the field of display technology, and in particular to a color filter substrate, a display panel, and a driving method for the display panel. Background Technology

[0002] Liquid crystal displays (LCDs) have advantages such as good image quality, small size, light weight, low driving voltage, low power consumption, no radiation, and relatively low manufacturing cost, and they dominate the flat panel display field.

[0003] Modern LCD displays are increasingly geared towards wider viewing angles, whether in mobile devices, desktop monitors, or laptops. However, beyond wide viewing angles, many applications also require the ability to switch between wide and narrow viewing angles. Currently, this is mainly achieved by attaching a Venetian blind to the screen. While this can be used to reduce the viewing angle when privacy is needed, it requires additional blinds, causing significant inconvenience. Furthermore, a single blind only provides one viewing angle; once applied, the viewing angle is fixed in the narrow mode, preventing seamless switching between wide and narrow viewing angles. The blind also reduces brightness, affecting display quality. Additionally, light inevitably passes through dark pixels, increasing their brightness and lowering contrast. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a color filter substrate, a display panel, and a driving method for the display panel to achieve wide and narrow viewing angle switching of the display panel.

[0005] This invention provides a color filter substrate, which has a light-shielding structure and a plurality of sub-pixel regions. The light-shielding structure separates the plurality of sub-pixel regions from each other. The color filter substrate includes a first color resist layer and a second color resist layer. The first color resist layer is an electrochromic color resist layer and includes a plurality of first color resists. Each first color resist corresponds to one of the sub-pixel regions. Each first color resist includes at least a first sub-color resist, a second sub-color resist, and a third sub-color resist arranged sequentially. The second color resist layer includes a plurality of second color resists. The first color resists and the second color resists are arranged in a one-to-one correspondence. The spectral range of the target color of the first color resist in its color state does not overlap with the spectral range of the color of the corresponding second color resist.

[0006] In one embodiment, the first color resist layer further includes a plurality of first transparent electrodes and at least one second transparent electrode. The first color resist is disposed between the first transparent electrode and the second transparent electrode, and the first color resist is configured in a one-to-one correspondence with the first transparent electrode. The first color resist switches between the transparent state and the colored state according to the voltage difference between the first transparent electrode and the second transparent electrode. The first transparent electrode includes at least a first sub-electrode, a second sub-electrode, and a third sub-electrode that are insulated from each other. The first sub-color resist is configured in a one-to-one correspondence with the first sub-electrode, the second sub-color resist is configured in a one-to-one correspondence with the second sub-electrode, and the third sub-color resist is configured in a one-to-one correspondence with the third sub-electrode.

[0007] In one embodiment, a plurality of second transparent electrodes are included, each of which corresponds to a first color resist. The first sub-electrodes of the first transparent electrodes corresponding to all sub-pixel regions are electrically connected to each other, the second sub-electrodes of the first transparent electrodes corresponding to all sub-pixel regions are electrically connected to each other, and the third sub-electrodes of the first transparent electrodes corresponding to all sub-pixel regions are electrically connected to each other. Alternatively, each first sub-electrode may be independently connected or disconnected, each second sub-electrode may be independently connected or disconnected, and each third sub-electrode may be independently connected or disconnected.

[0008] In one embodiment, a second transparent electrode is included, which covers the entire surface of the color filter substrate; each of the first sub-electrodes is independently connected or disconnected, each of the second sub-electrodes is independently connected or disconnected, and each of the three sub-electrodes is independently connected or disconnected.

[0009] In one embodiment, a second transparent electrode is included, which covers the entire surface of the color filter substrate; the first sub-electrodes of the first transparent electrode corresponding to all the sub-pixel regions are electrically connected to each other, the second sub-electrodes of the first transparent electrode corresponding to all the sub-pixel regions are electrically connected to each other, and the third sub-electrodes of the first transparent electrode corresponding to all the sub-pixel regions are electrically connected to each other.

[0010] In one embodiment, the area of ​​the second sub-color resist is larger than the areas of the first sub-color resist and the third sub-color resist.

[0011] In one embodiment, the plurality of sub-pixel regions include a red sub-pixel region, a green sub-pixel region, and a blue sub-pixel region; the plurality of first color resists include a red electrochromic color resist, a green electrochromic color resist, and a blue electrochromic color resist; and the plurality of second color resists include a red color resist corresponding to the red sub-pixel region, a green color resist corresponding to the green sub-pixel region, and a blue color resist corresponding to the corresponding blue sub-pixel region; the green electrochromic color resist is disposed corresponding to the red sub-pixel region, the blue electrochromic color resist is disposed corresponding to the green sub-pixel region, and the red electrochromic color resist is disposed corresponding to the blue sub-pixel region.

[0012] In one embodiment, the color filter substrate further includes a first substrate; the first color resist layer and the second color resist layer are respectively located on both sides of the first substrate, or the first color resist layer and the second color resist layer are disposed on the same side of the first substrate.

[0013] The present invention also provides a display panel, comprising a color filter substrate, an array substrate opposite to the color filter substrate, and a liquid crystal layer disposed between the color filter substrate and the array substrate, wherein the color filter substrate is the color filter substrate as described above.

[0014] The present invention also provides a driving method for a display panel, the display panel comprising a color filter substrate, an array substrate, and a liquid crystal layer disposed between the color filter substrate and the array substrate, wherein the color filter substrate is a color filter substrate as described above, and the driving method for the display panel includes:

[0015] A display data voltage signal is applied to the array substrate;

[0016] Without applying a pressure difference between the first transparent electrode and the second transparent electrode, the first color resist becomes transparent, thus achieving a normal wide-viewing-angle display;

[0017] A pressure difference is applied between the first sub-electrode and the second transparent electrode, and / or between the third sub-electrode and the second transparent electrode, causing the first sub-color resist and / or the third sub-color resist to exhibit a color state; no pressure difference is applied between the second sub-electrode and the second transparent electrode, causing the second sub-color resist to exhibit a transparent state, thereby achieving a normal narrow viewing angle display.

[0018] In one embodiment, it further includes:

[0019] By not applying a pressure difference between the first transparent electrode and the second transparent electrode corresponding to the bright area, the first color resist corresponding to the bright area becomes transparent. By applying a pressure difference between the first transparent electrode and the second transparent electrode corresponding to the dark area, the first color resist corresponding to the dark area becomes colored, thereby achieving a high-contrast, wide-viewing-angle display.

[0020] A pressure difference is applied between the first sub-electrode and the second transparent electrode corresponding to the bright region, and / or between the third sub-electrode and the second transparent electrode, while no pressure difference is applied between the second sub-electrode and the second transparent electrode corresponding to the bright region. This causes the first sub-color resist and / or the third sub-color resist corresponding to the bright region to exhibit a color state, and the second sub-color resist corresponding to the bright region to exhibit a transparent state. A pressure difference is applied between the second sub-electrode and the second transparent electrode corresponding to the dark region, causing the second sub-color resist corresponding to the dark region to exhibit a color state, thereby achieving a high-contrast, narrow-viewing-angle display.

[0021] In one embodiment, it further includes:

[0022] A pressure difference is applied between a portion of the first and second transparent electrodes, while no pressure difference is applied to the remaining portions. This causes a portion of the first color resist to be in a colored state, while the remaining portions remain transparent, achieving a local dimming mode; or...

[0023] A pressure difference is applied between the first transparent electrode and the second transparent electrode corresponding to the first color resist that displays the first color, while no pressure difference is applied between the first transparent electrodes and the second transparent electrodes corresponding to the other first color resists. This causes the first color resists displaying the first color to exhibit the color state, while the other first color resists become transparent. Simultaneously, the sub-pixel areas of the first color are light-transmitting, while the other sub-pixel areas are opaque, thus achieving a pure color display mode for the first color; or...

[0024] A pressure difference is applied between the first transparent electrode and the second transparent electrode corresponding to the sub-pixel area other than the first color, while no pressure difference is applied between the first transparent electrode and the second transparent electrode corresponding to the second color resist corresponding to the first color. Simultaneously, the sub-pixel area corresponding to the first color resist that displays the first color is opaque, while the remaining sub-pixel areas are transparent, thus achieving a pure color display mode other than the first color; or...

[0025] A pressure difference is applied between the first transparent electrode and the second transparent electrode corresponding to the area where the second color resist cannot be displayed normally, so that the corresponding first color resist switches to color mode and the corresponding second color resist becomes opaque.

[0026] In the color filter substrate, display panel, and driving method of the display panel provided in the embodiments of the present invention, since each color resist in the electrochromic color resist layer includes multiple sub-color resists, by switching different sub-color resists in the same sub-pixel area to transparent and colored states, the display panel can switch between wide and narrow viewing angles. Compared with the display panel with a dimming box, its thickness is greatly reduced, which is more conducive to the thinning of the display panel. At the same time, since the spectral ranges of the first and second color resists do not overlap in the dark state sub-pixel area, even if there is a small amount of light leakage in the dark state area, the first and second color resists cannot pass through at the same time. Therefore, the brightness in the dark state is extremely low, the contrast is high, the image quality is good, and the sense of layering is obvious. Therefore, the display panel using the color filter substrate of this embodiment can not only realize ordinary wide and narrow viewing angle switching, but also high contrast wide and narrow viewing angle switching. Overview of the attached figures

[0027] Figure 1 This is a schematic diagram of the structure of the color filter substrate according to the first embodiment of the present invention.

[0028] Figure 2 for Figure 1 The diagram shows a planar structure of the color filter substrate.

[0029] Figure 3 for Figure 1 The diagram shows the structure of the color filter substrate in normal wide viewing angle mode.

[0030] Figure 4 for Figure 1 The diagram shows the structure of the color filter substrate in a normal bidirectional narrow viewing angle mode.

[0031] Figure 5 for Figure 1 The diagram shows the structure of the color filter substrate in a normal unidirectional narrow viewing angle mode.

[0032] Figure 6 for Figure 1 The diagram shows the structure of the color filter substrate in high contrast wide viewing angle mode.

[0033] Figure 7 for Figure 1 The diagram shows the structure of the color filter substrate in high-contrast bidirectional narrow viewing angle mode.

[0034] Figure 8 for Figure 1 The diagram shows the structure of the color filter substrate in a high-contrast unidirectional narrow viewing angle mode.

[0035] Figure 9 for Figure 1 The diagram shows the structure of the color filter substrate in local dimming mode.

[0036] Figure 10 for Figure 1 The diagram shows a structural schematic of a color filter substrate in a solid color display mode.

[0037] Figure 11 for Figure 1 The diagram shows another structural schematic of the color filter substrate in solid color display mode.

[0038] Figure 12 for Figure 1 A magnified cross-sectional view of the first color resist layer of the color filter substrate shown.

[0039] Figure 13 This is for Figure 12 The diagram shows the principle of the first color resist layer.

[0040] Figure 14 This is a schematic diagram of the structure of the color filter substrate according to the second embodiment of the present invention.

[0041] Figure 15 This is a schematic diagram of the structure of the color filter substrate according to the third embodiment of the present invention.

[0042] Figure 16 for Figure 15 The diagram shows a planar structure of the color filter substrate.

[0043] Figure 17 This is a schematic diagram of the structure of the color filter substrate according to the fourth embodiment of the present invention.

[0044] Figure 18 This is a schematic diagram of the color filter substrate according to the fifth embodiment of the present invention.

[0045] Figure 19 This is a schematic diagram of the display panel structure according to the sixth embodiment of the present invention.

[0046] Figures 20(a) to 20(b) are schematic diagrams of some structures in the manufacturing process of the display panel.

[0047] Preferred embodiments of the present invention

[0048] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0049] This invention proposes a color filter substrate, a display panel, and a driving method for the display panel. By setting and applying signals to the first and second color resist layers of the color filter substrate, the switching between wide and narrow viewing angle modes can be achieved. At the same time, it solves the problem of vertical and horizontal stripes in the traditional architecture and improves the display quality of the display panel.

[0050] [First Embodiment]

[0051] Please refer to Figure 1The color filter substrate provided in the first embodiment of the present invention has a light-shielding structure 11 and a plurality of sub-pixel regions P, wherein the light-shielding structure 11 separates the plurality of sub-pixel regions P from each other. The color filter substrate includes a first color resist layer 13, a first substrate 15, and a second color resist layer 17. The first color resist layer 13 is an electrochromic color resist layer, and the first color resist layer 13 includes a plurality of first color resists 132, each corresponding to a sub-pixel region P. The first color resists 132 are capable of switching between a transparent state and a color state. The first color resist 132 includes a first sub-color resist 1322, a second sub-color resist 1324, and a third sub-color resist 1326, which are configured to be able to switch independently between a transparent state and a color state, respectively. The second color resist layer 17 includes a plurality of second color resists 172. The first color filter 132 and the second color filter 172 are configured in a one-to-one correspondence. The spectrum of the target color in the color state of the first color filter 132 is different from the spectrum of the corresponding color in the second color filter 172. Here, "different spectrum" means that the spectral ranges do not overlap. For example, the blue spectrum is 420nm~470nm, the green spectrum is 500nm~570nm, and the red spectrum is 630nm~780nm; the spectral ranges of blue, green, and red do not overlap. Furthermore, the spectrum of the target color in the color state of the first color filter 132 should be within the visible light range.

[0052] In the color filter substrate of this embodiment, since each first color resist 132 of the first color resist layer 13 (electrochromic color resist layer) includes multiple sub-color resists, by switching the sub-color resists at different positions in the same sub-pixel area to transparent and colored states, the display panel can switch between wide and narrow viewing angles. Compared with the display panel with a dimming box, its thickness is greatly reduced, which is more conducive to the thinning of the display panel (the thickness of the electrochromic color group layer can usually be controlled within a few micrometers, while the thickness of the dimming box is generally more than 200 micrometers). At the same time, in the dark state sub-pixel area, since the first color resist and the second color resist have different spectra, even if there is a small amount of light leakage in the dark state area, the first color resist and the second color resist cannot pass through at the same time. Therefore, the brightness in the dark state is extremely low, the contrast is high, the image quality is good, and the sense of layering is obvious. Therefore, the display panel using the color filter substrate of this embodiment can not only achieve ordinary wide and narrow viewing angle switching, but also achieve high contrast wide and narrow viewing angle switching.

[0053] In this embodiment, the light-shielding structure 11 can be a black matrix. The black matrix is ​​placed between adjacent sub-pixel areas P to prevent light mixing.

[0054] In this embodiment, the second sub-color resist 1324 is located between the first sub-color resist 1322 and the third sub-color resist 1326. That is, the first sub-color resist 1322 and the third sub-color resist 1326 are respectively adjacent to the light-shielding structure 11, and the orthographic projections of the first sub-color resist 1322 and the third sub-color resist 1326 onto the sub-pixel area P fall within the sub-pixel area P. Specifically, the area of ​​the second sub-color resist 1324 is larger than the areas of the first sub-color resist 1322 and the third sub-color resist 1326. More specifically, the area ratio of the first sub-color resist 1322, the second sub-color resist 1324, and the third sub-color resist 1326 is preferably 1:2:1, but is not limited thereto.

[0055] In this embodiment, the first color resist layer 13 further includes a plurality of first transparent electrodes 133 and at least one second transparent electrode 134, and the first color resist 132 is configured in a one-to-one correspondence with the first transparent electrodes 133. The first color resist 132 switches between a transparent state and a colored state according to the voltage difference between the first transparent electrodes 133 and the second transparent electrodes 134. The first transparent electrode 133 includes a first sub-electrode 1332, a second sub-electrode 1334, and a third sub-electrode 1336 that are insulated from each other. The first sub-color resist 1322, the second sub-color resist 1324, and the third sub-color resist 1326 are configured in a one-to-one correspondence with the first sub-electrode 1332, the second sub-electrode 1334, and the third sub-electrode 1336, respectively. Specifically, the first color resist 132 is located between the first transparent electrodes 133 and the second transparent electrodes 134.

[0056] Please refer to Figure 2 In this embodiment, the first sub-electrodes 1332 of the first transparent electrodes corresponding to all sub-pixel areas P are electrically connected to each other, the second sub-electrodes 1334 of the first transparent electrodes corresponding to all sub-pixel areas P are electrically connected to each other, and the third sub-electrodes 1336 of the first transparent electrodes corresponding to all sub-pixel areas P are electrically connected to each other. This reduces the number of circuit lines connecting the first transparent electrodes to the display panel, thereby simplifying the circuitry and also reducing the size of the display panel's bezel.

[0057] Specifically, the first sub-color resistor 1322, the second sub-color resistor 1324, and the third sub-color resistor 1326 are arranged along a first direction. In a second direction perpendicular to the first direction, multiple first sub-color resistors 1322 are arranged in one column, multiple second sub-color resistors 1324 are arranged in one column, and multiple third sub-color resistors 1326 are arranged in one column. Specifically, the first direction can be the X direction (i.e., the extension direction of the scan lines), typically the width direction of the display panel, and the second direction can be the Y direction (i.e., the extension direction of the data lines), typically the height direction of the display panel. More specifically, the first sub-color resistors 1322 located in the same column are electrically connected to each other, the second sub-color resistors 1324 located in the same column are electrically connected to each other, and the third sub-color resistors 1326 located in the same column are electrically connected to each other. More specifically, the first of the first sub-electrodes 1332 corresponding to a column of first sub-color resistors 1322 is connected to the first connecting wire 1362, and the remaining first sub-electrodes 1332 corresponding to the first sub-color resistors 1322 are connected to the adjacent first sub-electrodes 1332; the first of the second sub-electrodes 1334 corresponding to a column of second sub-color resistors 1324 is connected to the second connecting wire 1364, and the remaining second sub-electrodes 1334 corresponding to the second sub-color resistors 1324 are connected to the adjacent second sub-electrodes 1334; a column of third sub-color resistors... The first of the third sub-electrodes 1336 corresponding to resistor 1326 is connected to the third connecting wire 1366, and the third sub-electrodes 1336 corresponding to the remaining third sub-color resistors 1326 are connected to the adjacent third sub-electrodes 1336; all the first connecting wires 1362 are interconnected, all the second connecting wires 1364 are interconnected, and all the third connecting wires 1366 are interconnected. The first connecting wires 1362, the second connecting wires 1364, and the third connecting wires 1366 are respectively connected to the control chip of the display panel.

[0058] In this embodiment, there are multiple second transparent electrodes 134, and each second transparent electrode 134 corresponds to at least one first color resist 132. Specifically, the second transparent electrode 134 can typically be grounded.

[0059] Specifically, the second transparent electrode 134 is independently connected or disconnected via a switching element 138. Specifically, the switching element 138 can be a thin-film transistor (TFT). The control terminal of the switching element 138 is connected to the scan line, the source is connected to the data line, and the drain is connected to the second transparent electrode 134. By controlling the opening and closing of the switching element 138, the second transparent electrode 134 connected to it can be connected or disconnected. It is understood that the switching element 138 can also be omitted, and a voltage can be applied to each of the second transparent electrodes 134 individually.

[0060] In this embodiment, the color filter substrate further includes a first substrate 15 and a second color resist layer 17, with the first color resist layer 13 and the second color resist layer 17 located on opposite sides of the first substrate 15. The second color resist layer 17 includes a plurality of second color resists 172. The first color resist 132 and the second color resist 172 are configured in a one-to-one correspondence, and the spectrum of the target color of the first color resist 132 in its color state is different from the spectrum of the corresponding color of the second color resist 172. Here, "different spectrum" means that the spectrum ranges do not overlap. For example, the blue spectrum is 420nm~470nm, the green spectrum is 500nm~570nm, and the red spectrum is 630nm~780nm; the spectrum ranges of blue, green, and red do not overlap. Furthermore, the spectrum of the target color of the first color resist 132 in its color state should be within the visible light range.

[0061] Specifically, the multiple sub-pixel regions P include red, green, and blue sub-pixel regions, and the multiple first color resists 132 include red, green, and blue electrochromic color resists. The green electrochromic color resist corresponds to the red sub-pixel region, the blue electrochromic color resist corresponds to the green sub-pixel region, and the red electrochromic color resist corresponds to the blue sub-pixel region. It can be understood that the blue electrochromic color resist can also correspond to the red sub-pixel region, the red electrochromic color resist can also correspond to the green sub-pixel region, and the green electrochromic color resist can also correspond to the blue sub-pixel region. Of course, in other embodiments, electrochromic color resists of other colors can also correspond to each sub-pixel region, such as yellow, purple, etc., as long as the color spectrum of the sub-pixel region is different from the color spectrum of the corresponding electrochromic color resist in its color state.

[0062] Specifically, the plurality of second color resists 172 include red color resist, green color resist and blue color resist, which are respectively set to correspond to the red sub-pixel area, green sub-pixel area and blue sub-pixel area.

[0063] When the display panel with the color filter substrate of this embodiment is displayed in normal wide viewing angle mode, please refer to Figure 1 and Figure 3 The first transparent electrode 133 is not energized, and the second transparent electrode 134 is grounded (or all switching elements 138 are turned off, and the second transparent electrode 134 is not energized), so that there is no pressure difference between the first transparent electrode 133 and the second transparent electrode 134 (this "no pressure difference" does not mean absolutely zero pressure difference; the pressure difference can be small, as long as it is insufficient to make the first color resist 132 switch to color mode). At this time, the first color resist 132 is completely transparent, and there is no privacy protection on the left and right sides at wide viewing angles. When the display panel with the color filter substrate of this embodiment is in a normal bidirectional narrow viewing angle mode display, please refer to... Figure 1 and Figure 4Power is applied to the first sub-electrode 1332 and the third sub-electrode 1336 of the first transparent electrode 133 (e.g., a driving voltage of 2V is applied), while the second sub-electrode 1334 is not powered. The second transparent electrode 134 is grounded (or all switching elements 138 are turned off, and the second transparent electrode 134 is not powered). This creates a voltage difference between the first sub-electrode 1332, the third sub-electrode 1336, and the second transparent electrode 134, while there is no voltage difference between the second sub-electrode 1334 and the second transparent electrode 134. At this time, the first sub-color resist 1322 and the third sub-color resist 1326 switch to color mode, and the second sub-color resist 1324 is in transparent mode, achieving a wide viewing angle privacy protection on both sides. Specifically, for red... Regarding the sub-pixel area, the second color resist 172 allows red light to pass through, while the first and third sub-color resists 1322 and 1326 in the red sub-pixel area only allow green light to pass through and not red light. Therefore, the areas corresponding to the first and third sub-color resists 1322 and 1326 are displayed in a dark state, with no visible light passing through. The second sub-color resist 1324 is transparent, and the area corresponding to the second sub-color resist 1324 allows red light to pass through. In other words, only the area corresponding to the middle second sub-color resist 1324 in the red sub-pixel area is translucent. Correspondingly, only the area corresponding to the middle second sub-color resist 1324 in the green and blue sub-pixel areas is translucent, thereby achieving wide viewing angle privacy protection. When the display panel with the color filter substrate of this embodiment is in a normal unidirectional narrow viewing angle mode display, please refer to... Figure 1 and Figure 5 When the first sub-electrode 1332 of the first transparent electrode 133 is energized (e.g., a driving voltage of 2V is applied), and the second sub-electrode 1334 and the third sub-electrode 1336 are not energized, and the second transparent electrode 134 is grounded (or all switching elements 138 are turned off, and the second transparent electrode 134 is not energized), a voltage difference is created between the first sub-electrode 1332 and the second transparent electrode 134, and no voltage difference is created between the second sub-electrode 1334, the third sub-electrode 1336, and the second transparent electrode 134. At this time, the first sub-color resistor 1322 switches to color state, and the second sub-color resistor 1324 and the third sub-color resistor 1326 are in transparent state, thus achieving a large viewing angle privacy protection on the left side. Similarly, when the third sub-electrode 1336 of the first transparent electrode 133 is energized, and the first sub-electrode 1332 and the second sub-electrode 1334 are not energized, a large viewing angle privacy protection on the right side can be achieved.

[0064] When the display panel with the color filter substrate of this embodiment is displayed in a high-contrast wide-viewing-angle mode, please refer to... Figure 1 and Figure 6When the first transparent electrode 133 is not energized, and the second transparent electrode 134 corresponding to the bright area is not energized (e.g., 0V), there is no voltage difference between the first transparent electrode 133 and the second transparent electrode 134 corresponding to the bright area, and the corresponding first color resist 132 is in a transparent state, with no privacy protection on either side at wide viewing angles. Simultaneously, when the second transparent electrode 134 corresponding to the dark area is energized (e.g., a driving voltage of 2V is applied), there is a voltage difference between the first transparent electrode 133 and the second transparent electrode 134 corresponding to the dark area, and the corresponding first color resist 132 is in a colored state. When the display panel with the color filter substrate of this embodiment is in a high-contrast bidirectional narrow viewing angle mode display, please refer to... Figure 1 and Figure 7 When the first sub-electrode 1332 and the third sub-electrode 1336 of the first transparent electrode 133 are not energized (e.g., the voltage is 0V), the second sub-electrode 1334 is energized (e.g., a driving voltage of 2V is applied), the second transparent electrode 134 corresponding to the bright state region is energized (e.g., a driving voltage of 2V is applied), and the second transparent electrode 134 corresponding to the dark state region is not energized, there is a voltage difference between the first sub-electrode 1332, the third sub-electrode 1336, and the second transparent electrode 134 corresponding to the bright state region, and between the second sub-electrode 1334 and the second transparent electrode 134 corresponding to the bright state region. There is no pressure difference between the first sub-electrode 1332, the third sub-electrode 1336, and the second transparent electrode 134 corresponding to the dark region. There is a pressure difference between the second sub-electrode 1334 and the second transparent electrode 134 corresponding to the dark region. In the bright region, the first sub-color resist 1322 and the third sub-color resist 1326 switch to color mode, and the second sub-color resist 1324 is transparent, achieving wide viewing angle privacy protection on both sides. In the dark region, the first sub-color resist 1322 and the third sub-color resist 1326 are transparent, and the second sub-color resist 1324 switches to color mode. When the display panel with the color filter substrate of this embodiment is in a high-contrast unidirectional narrow viewing angle mode display, please refer to... Figure 1 and Figure 8The first sub-electrode 1332 of the first transparent electrode 133 is not energized, while the second sub-electrode 1334 and the third sub-electrode 1336 are energized (e.g., a driving voltage of 2V is applied). The second transparent electrode 134 corresponding to the bright region is energized (e.g., a driving voltage of 2V is applied), while the second transparent electrode 134 corresponding to the dark region is not energized (e.g., 0V is applied). At this time, there is a voltage difference between the first sub-electrode 1332 and the second transparent electrode 134 corresponding to the bright region, and there is no voltage difference between the second sub-electrode 1334, the third sub-electrode 1336, and the second transparent electrode 134 corresponding to the bright region. The first sub-color resist 1322 corresponding to the bright region switches to color mode, and the second sub-color resist 1324 and the third sub-color resist 1326 corresponding to the bright region are in transparent mode, thus achieving a large viewing angle privacy protection on the left side. There is no voltage difference between the first sub-electrode 1332 and the second transparent electrode 134 corresponding to the dark region, and there is a voltage difference between the second sub-electrode 1334, the third sub-electrode 1336, and the second transparent electrode 134 corresponding to the dark region. The bright areas correspond to the first sub-color resist 1322 in a transparent state, while the dark areas correspond to the second and third sub-color resists 1324 and 1326 in a colored state. Similarly, a similar method can be used to achieve a wide viewing angle privacy feature on the right side. In high-contrast wide and narrow viewing angle displays, light cannot pass through the dark areas (or only a very small amount of light leaks from the sides of the sub-pixel areas), resulting in lower brightness in the dark areas. Therefore, the contrast is higher, the image quality is better, the sense of layering is more obvious, and the overall image quality of the product is higher.

[0065] When the display panel with the color filter substrate of this embodiment is in local dimming mode, please refer to Figure 1 and Figure 9 Without energizing the first transparent electrode 133, all switching elements 138 are turned off, causing multiple second transparent electrodes 134 to disconnect. Energizing some of the second transparent electrodes causes the first color resist 132 in certain areas to switch to a color state. Because the first color resist 132 and the second color resist 172 have different spectra, light cannot pass through this area, resulting in a dark state with extremely low darkness, achieving local dimming mode and providing a high-contrast display effect. When the display panel with the color filter substrate of this embodiment is in pure color display mode, please refer to... Figure 1 and Figure 10The first transparent electrode 133 corresponding to the first color resist 132 of the solid color to be displayed is energized, while the first transparent electrodes 133 corresponding to the first color resist 132 of other colors are not energized. The second transparent electrode 134 is grounded. Simultaneously, the second color resist 172 of the solid color to be displayed is made transparent, while the second color resist 172 of other colors is opaque, thereby achieving solid color display. The transparency or opacity of the second color resist 172 can be controlled by adjusting the state of the liquid crystal in different areas of the display panel. In this case, in addition to some areas corresponding to the second color resist 172 displaying solid colors, some areas corresponding to the first color resist 132 also display solid colors, thus increasing the solid color display area and making the colors more saturated and vibrant. When the display panel with the color filter substrate of this embodiment is in solid color display mode, please refer to... Figure 1 and Figure 11 Furthermore, power can be applied to the first transparent electrode 133 corresponding to the first color resist 132 of the desired pure color, causing the second color resist 172 of that color to be transparent. Conversely, power can be applied to the first transparent electrode 133 of areas where both the first and second color resists 132 correspond to other colors, making the second color resist 172 corresponding to the powered first transparent electrode 133 opaque, thus achieving pure color display. When the display panel experiences malfunctions such as short lines in the thin-film transistors on the array substrate after prolonged use, preventing normal color display, the first color resist 132 can be used for normal display, avoiding repairs and extending the lifespan of the display panel. Specifically, a voltage difference can be applied between the first transparent electrode 133 and the second transparent electrode 134 corresponding to areas that cannot be displayed normally, causing the corresponding first color resist 132 to switch to a color state and the corresponding second color resist 172 to become opaque (i.e., adjusted to a dark state). In this case, the first color resist 132 can be used to replace the second color resist 172 for display.

[0066] In this embodiment, the first color resist layer 13 can be a zinc-type electroluminescent device (Zn-SVO, zinc-sodium-vanadium oxide). Please refer to... Figure 12 and Figure 13As shown, the zinc-type electrochromic device includes a first vanadium oxide (SVO) 61, a second vanadium oxide (SVO) 62, and a zinc (Zn) 63 located between the first vanadium oxide 61 and the second vanadium oxide 62. A gel electrolyte 64 is also disposed between the first vanadium oxide 61 and the second vanadium oxide 62. The first vanadium oxide 61 can cover the surface of the first transparent electrode 133, and the second vanadium oxide 62 can cover the surface of the second transparent electrode 134. The zinc-type electrochromic device can reversibly switch between multiple colors (red, green, blue) through Zn2+ insertion (self-coloring / discharging) and extraction (fading / charging), achieving reversible color switching and possessing high transparency (over 90%), while maintaining high optical transparency, self-coloring behavior, and energy recovery function. It can achieve self-coloring through its built-in battery power without the need for external energy input, thereby recovering the electrical energy consumed during the fading process. By applying an electrical signal to the first transparent electrode 133 and the second transparent electrode 134, a pressure difference is created between them, thereby causing the zinc-type electrochromic device to switch to a color state. The pressure difference between the first transparent electrode 133 and the second transparent electrode 134 can be controlled to make the zinc-type electrochromic device display a preset color.

[0067] In this embodiment, the color filter substrate further includes a planarization layer 19, which is disposed on the side of the second color resist layer 17 away from the first substrate 15.

[0068] In other embodiments, each first color resist 132 may also be provided with more sub-color resists, such as a first sub-color resist, a second sub-color resist, a third sub-color resist, a fourth sub-color resist, and a fifth sub-color resist arranged sequentially, but not limited to this. The first and fifth sub-color resists are respectively adjacent to the light-shielding structure, and the orthogonal projections of the first and fifth sub-color resists onto the sub-pixel area fall within the sub-pixel area. By applying voltage to the first, second, fourth, and fifth sub-color resists, adjustments to different privacy viewing angles can be achieved in either a normal narrow viewing angle mode or a high-contrast narrow viewing angle mode.

[0069] [Second Embodiment]

[0070] Please refer to Figure 14The difference between this embodiment and the first embodiment described above is that in this embodiment, there is only one second transparent electrode 134, meaning that one second transparent electrode 134 covers the entire color filter substrate. In this embodiment, since the first sub-electrodes 1332 of the first transparent electrodes corresponding to all sub-pixel regions P are electrically connected to each other, the second sub-electrodes 1334 of the first transparent electrodes corresponding to all sub-pixel regions P are electrically connected to each other, and the third sub-electrodes 1336 of the first transparent electrodes corresponding to all sub-pixel regions P are electrically connected to each other, while the second transparent electrode 134 is a single unit, local dimming functionality and high-contrast wide / narrow viewing angle display are not possible; only ordinary wide / narrow viewing angle display is possible. The other structures of the color filter substrate in this embodiment are basically the same as those in the first embodiment, and will not be described again here.

[0071] [Third Embodiment]

[0072] Please refer to Figure 15 and Figure 16 The difference between this embodiment and the second embodiment described above is that, in this embodiment, each first sub-electrode 1332, each second sub-electrode 1334, and each third sub-electrode 1336 are independently controlled in switching states. In this embodiment, because all sub-electrodes are controlled individually and connected or disconnected independently, even if the second transparent electrode 134 is a single unit, local dimming and high-contrast wide and narrow viewing angle displays can still be achieved.

[0073] Specifically, each first sub-electrode 1332, each second sub-electrode 1334, and each third sub-electrode 1336 are respectively connected to the control chip of the display panel, and the control chip outputs voltage signals to each first sub-electrode 1332, second sub-electrode 1334, and third sub-electrode 1336 respectively.

[0074] The other structures of the color filter substrate in this embodiment are basically the same as those in the second embodiment, and will not be described again here.

[0075] In this embodiment, multiple second transparent electrodes 134 may be provided, and each second transparent electrode 134 is provided in a one-to-one correspondence with the first color resist 132. The multiple second transparent electrodes 134 can be connected or disconnected by a switching element 138, or the switching element 138 can be omitted, and voltage can be applied to each second transparent electrode 134 individually. No limitation is imposed here.

[0076] [Fourth Embodiment]

[0077] Please refer to Figure 17The difference between this embodiment and the second embodiment described above is that, in this embodiment, the first color resist layer 13 and the second color resist layer 17 are sequentially stacked on the same side of the first substrate 15. Specifically, in this embodiment, the second color resist layer 17 is disposed on one side of the first substrate 15, the first color resist layer 13 is disposed on the side of the second color resist layer 17 away from the first substrate 15, the first transparent electrode 133 is located on the side adjacent to the first color resist layer 13 and the second color resist layer 17, and the second transparent electrode 134 is located on the side of the first color resist layer 13 away from the second color resist layer 17. The planarization layer 19 in this embodiment is disposed on the side of the first color resist layer 13 away from the second color resist layer 17. The other structures of the color filter substrate in this embodiment are basically the same as those in the second embodiment, and will not be described again here. It can be understood that the connection method between the first sub-electrode 1332, the second sub-electrode 1334, and the third sub-electrode 1336 and the control chip in this embodiment can also be the same as in the third embodiment. It can be understood that the second transparent electrode 134 in this embodiment can also adopt the same structure as the second transparent electrode 134 in the first embodiment, and will not be described again here.

[0078] [Fifth Embodiment]

[0079] Please refer to Figure 18 The difference between this embodiment and the first embodiment described above is that, in this embodiment, the first color resist 132 only includes a first sub-color resist 1322 and a second sub-color resist 1324, and the first transparent electrode 133 only includes a first sub-electrode 1332 and a second sub-electrode 1334. The first sub-color resist 1322 and the second sub-color resist 1324 are respectively disposed corresponding to the first sub-electrode 1332 and the second sub-electrode 1334. Specifically, the first sub-color resist 1322 is located on one side of the second sub-color resist 1324, for example, in this embodiment, the first sub-color resist 1322 is located on the left side of the second sub-color resist 1324. That is, both sides of the first sub-color resist 1322 and the second sub-color resist 1324 are adjacent to the light-shielding structure 11, and the orthographic projection of the first sub-color resist 1322 onto the sub-pixel area P falls within the sub-pixel area P. When a pressure difference is applied to the first sub-color resist 1322, the first sub-color resist 1322 will be in a colored state. When no pressure difference is applied to the second sub-color resist (1324), the second sub-color resist 1324 will be in a transparent state, thus realizing a unidirectional narrow viewing angle display on the left side.

[0080] Specifically, the area of ​​the second sub-color resist 1324 is larger than the area of ​​the first sub-color resist 1322. More specifically, the area ratio of the first sub-color resist 1322, the second sub-color resist 1324, and the third group of color resists 1326 is preferably 1:3, but is not limited thereto.

[0081] The color filter substrate of this embodiment is suitable for display panels with only unidirectional narrow viewing angle requirements, but not for display panels with bidirectional narrow viewing angle requirements. It can realize local dimming, normal wide viewing angle display, normal unidirectional narrow viewing angle display, high contrast wide viewing angle display, and high contrast unidirectional narrow viewing angle display. The other structures of the color filter substrate of this embodiment are basically the same as those of the color filter substrate of the first embodiment, and will not be described again here.

[0082] It is understood that the color filter substrate in the second to fourth embodiments may also adopt the structure in this embodiment where the first color resist 132 only includes the first sub-color resist 1322 and the second sub-color resist 1324, which will not be described in detail here.

[0083] [Sixth Embodiment]

[0084] The present invention also provides a display panel, please refer to... Figure 19 The display panel of the sixth embodiment includes a color filter substrate 10, an array substrate 30 opposite to the color filter substrate 10, and a liquid crystal layer 50 disposed between the color filter substrate 10 and the array substrate 30. The color filter substrate 10 can be any of the color filter substrates in the first to fifth embodiments described above.

[0085] In this embodiment, the array substrate 30 includes a second substrate 32, a common electrode 34, a pixel electrode 36, and a thin-film transistor array (not shown). The common electrode 34 and the pixel electrode 36 are disposed with an insulating gap. Specifically, the common electrode 34 is stacked on the second substrate 32, and the pixel electrode 36 is stacked on top of the common electrode 34. More specifically, the array substrate 30 also includes a first insulating layer 37, which is disposed between the common electrode 34 and the pixel electrode 36. Specifically, each sub-pixel region P is provided with a pixel electrode 36. It can be understood that the positions of the common electrode 34 and the pixel electrode 36 can also be interchanged, that is, the pixel electrode 36 is disposed on the second substrate 32, the first insulating layer 37 is disposed on the pixel electrode 36, and the common electrode 34 is disposed on the first insulating layer 37. It can also be understood that the common electrode 34 and the pixel electrode 36 can be disposed on the same layer. It can also be understood that the common electrode 34 can be disposed on the color filter substrate 10.

[0086] In this embodiment, the display panel further includes a first polarizing plate 71, a second polarizing plate 73, and a backlight module 75. The first polarizing plate 71 is disposed on the side of the color filter substrate 10 away from the liquid crystal layer 50, and the second polarizing plate 73 is disposed on the side of the array substrate 30 away from the liquid crystal layer 50. The backlight module 75 is disposed on the side of the second polarizing plate 73 away from the array substrate 30. The backlight module 75 is used to provide a backlight source for the display panel. Of course, if the display panel uses a self-emissive display, the backlight module can be omitted. The backlight module 75 can be an edge-lit backlight module or a direct-lit backlight module.

[0087] [Seventh Embodiment]

[0088] The present invention also provides a driving method for a display panel, the display panel including a color filter substrate 10, an array substrate 30 opposite to the color filter substrate 10, and a liquid crystal layer 50 disposed between the color filter substrate 10 and the array substrate 30. The color filter substrate 10 may be any type of color filter substrate in the first or third embodiment described above. The display panel having the color filter substrate includes a wide viewing angle mode and a narrow viewing angle mode. The driving method for the display panel in the seventh embodiment includes:

[0089] A display data voltage signal is applied to the array substrate 30;

[0090] By not applying a voltage difference between the first transparent electrode 133 and the second transparent electrode 134 of the color filter substrate 10, the first color resist 132 becomes transparent, thus achieving a normal wide viewing angle display. Specifically, this can be achieved by not energizing the first transparent electrode 133 and grounding the second transparent electrode 134, thereby eliminating the voltage difference between the first transparent electrode 133 and the second transparent electrode 134.

[0091] A pressure difference is applied between the first sub-electrode 1332 and the second transparent electrode 134, and / or between the third sub-electrode 1336 and the second transparent electrode 134, so that the first sub-color resist 1322 and / or the third sub-color resist 1326 present a color state. No pressure difference is applied between the second sub-electrode 1334 and the second transparent electrode 134, so that the second sub-color resist 1324 presents a transparent state, thereby realizing a normal narrow viewing angle display. Specifically, when a voltage difference is simultaneously applied between the first sub-electrode 1332 and the second transparent electrode 134, and between the third sub-electrode 1336 and the second transparent electrode 134, both the first sub-color resist 1322 and the third sub-color resist 1326 are in color, achieving a normal bidirectional narrow viewing angle display. When a voltage difference is applied only between the first sub-electrode 1332 and the second transparent electrode 134, or between the third sub-electrode 1326 and the second transparent electrode 134, only the first sub-color resist 1322 or the third sub-color resist 1326 is in color, while the other of the first sub-color resist 1322 and the third sub-color resist 1326 and the second sub-color resist 1324 are in transparent state, achieving a normal unidirectional narrow viewing angle display. Specifically, a voltage difference can be generated between the first transparent electrode 133 and the second transparent electrode 134 by energizing the first transparent electrode 133 and grounding the second transparent electrode 134.

[0092] The driving method for the display panel in this embodiment further includes:

[0093] By not applying a voltage difference between the first transparent electrode 133 and the second transparent electrode 134 of the color filter substrate 10 corresponding to the bright region, the first color resist 132 corresponding to the bright region becomes transparent. Conversely, by applying a voltage difference between the first transparent electrode 133 and the second transparent electrode 134 of the color filter substrate 10 corresponding to the dark region, the first color resist 132 corresponding to the dark region becomes colored, thus achieving a high-contrast, wide-viewing-angle display. Specifically, by not energizing the first transparent electrode 133 and not energizing the second transparent electrode 134 corresponding to the bright region, and energizing the second transparent electrode 134 corresponding to the dark region, there is no voltage difference between the first transparent electrode 133 and the second transparent electrode 134 corresponding to the bright region, while a voltage difference exists between the first transparent electrode 133 and the second transparent electrode 134 corresponding to the dark region.

[0094] A pressure difference is applied between the first sub-electrode 1332 and the second transparent electrode 134, and / or between the third sub-electrode 1336 and the second transparent electrode 134, corresponding to the bright region of the color filter substrate 10. No pressure difference is applied between the second sub-electrode 1334 and the second transparent electrode 134, corresponding to the bright region of the color filter substrate 10. This causes the first sub-color resist 1322 and / or the third sub-color resist 1326, corresponding to the bright region, to exhibit a color state, and the second sub-color resist 1324, corresponding to the bright region, to exhibit a transparent state. A pressure difference is applied between the second sub-electrode 1334 and the second transparent electrode 134, corresponding to the dark region of the color filter substrate 10, causing the second sub-color resist 1324, corresponding to the dark region, to exhibit a color state, thereby achieving a high-contrast narrow-viewing-angle display. The narrow-viewing-angle display may include bidirectional narrow-viewing-angle display and unidirectional narrow-viewing-angle display.

[0095] Specifically, in the high-contrast bidirectional narrow viewing angle mode display, the first sub-electrode 1332 and the third sub-electrode 1336 of the first transparent electrode 133 are not energized, the second sub-electrode 1334 is energized, the second transparent electrode 134 corresponding to the bright area is energized (e.g., a driving voltage of 2V is applied), and the second transparent electrode 134 corresponding to the dark area is not energized. At this time, there is a voltage difference between the first sub-electrode 1332, the third sub-electrode 1336, and the second transparent electrode 134 corresponding to the bright area, and between the second sub-electrode 1334 and the second transparent electrode 134 corresponding to the bright area. There is no pressure difference between the first sub-electrode 1332, the third sub-electrode 1336, and the second transparent electrode 134 in the dark region. There is a pressure difference between the second sub-electrode 1334 and the second transparent electrode 134 in the dark region. The first sub-color resist 1322 and the third sub-color resist 1326 in the bright region switch to color mode, and the second sub-color resist 1324 is in transparent mode, achieving a wide viewing angle for privacy on the left and right sides. The first sub-color resist 1322 and the third sub-color resist 1326 in the dark region are in transparent mode, and the second sub-color resist 1324 in the dark region switches to color mode.

[0096] In the high-contrast unidirectional narrow viewing angle mode, the first sub-electrode 1332 of the first transparent electrode 133 is not energized, while the second sub-electrode 1334 and the third sub-electrode 1336 are energized (e.g., a driving voltage of 2V is applied). The second transparent electrode 134 corresponding to the bright area is energized (e.g., a driving voltage of 2V is applied), while the second transparent electrode 134 corresponding to the dark area is not energized (e.g., 0V is applied). At this time, there is a voltage difference between the first sub-electrode 1332 and the second transparent electrode 134 corresponding to the bright area, and there is no voltage difference between the second sub-electrode 1334, the third sub-electrode 1336, and the second transparent electrode 134 corresponding to the bright area. The first sub-color resist 1322 corresponding to the bright area switches to color mode, and the second sub-color resist 1324 and the third sub-color resist 1326 corresponding to the bright area are in transparent mode. There is no voltage difference between the first sub-electrode 1332 and the second transparent electrode 134 corresponding to the dark area, and there is a voltage difference between the second sub-electrode 1334, the third sub-electrode 1336, and the second transparent electrode 134 corresponding to the dark area. The bright area corresponds to the first sub-color resist 1322 in a transparent state, while the dark area corresponds to the second sub-color resist 1324 and the third sub-color resist 1326 in a colored state, thus achieving a wide-angle privacy protection on the left side.

[0097] The driving method for the display panel in this embodiment further includes:

[0098] A voltage difference is applied between the first transparent electrode 133 and the second transparent electrode 134 of a portion of the color filter substrate 10, while no voltage difference is applied between the first transparent electrode 133 and the second transparent electrode 134 of the remaining portion of the color filter substrate 10. This causes a portion of the first color resist 132 to be in a colored state, while the remaining portion of the first color resist 132 is in a transparent state, thus achieving a local dimming mode. Specifically, this can be achieved by: not energizing the first transparent electrode 133, turning off all switching elements 138 to disconnect the multiple second transparent electrodes 134, and energizing a portion of the second transparent electrodes; or by: energizing a portion of the first transparent electrodes 133 and grounding the second transparent electrodes 134.

[0099] The driving method for the display panel in this embodiment further includes:

[0100] A voltage difference is applied between the first transparent electrode 133 and the second transparent electrode 134 corresponding to the first color resist 132 that displays the first color, while no voltage difference is applied between the first transparent electrodes 133 and the second transparent electrodes 134 corresponding to the other first color resists 132. This causes the first color resist 132 that displays the first color to exhibit its color state, while the other first color resists 132 become transparent. Simultaneously, the first color sub-pixel area is allowed to transmit light, while the other sub-pixel areas are opaque, thus achieving a pure color display mode for the first color. For example, in... Figure 7In this configuration, the first color is red. The first color resist 132, which is red in color state, displays the color, while the other first color resists 132 are transparent. The second color resist 172, which is red, is light-transmitting (i.e., the red sub-pixel area is bright), while the second color resists 172 of other colors are opaque (i.e., the sub-pixel areas of the other colors are dark). Thus, the red sub-pixel area and the sub-pixel area corresponding to the red first color resist 132 both display red, while the remaining sub-display areas are dark. Specifically, applying a voltage difference between the first transparent electrode 133 and the second transparent electrode 134 corresponding to the first color resist 132 can be achieved by either energizing the first transparent electrode 133 or energizing the second transparent electrode 134 corresponding to the first color resist 132.

[0101] The driving method for the display panel in this embodiment further includes:

[0102] A pressure difference is applied between the first transparent electrode 133 and the second transparent electrode 134 corresponding to sub-pixel areas other than the first color, while no pressure difference is applied between the first transparent electrode 133 and the second transparent electrode 134 corresponding to the second color resist 172 of the first color. Simultaneously, the sub-pixel area corresponding to the first color resist 132, which displays the first color, is opaque, while the remaining sub-pixel areas are transparent, thus achieving a pure color display mode other than the first color. For example, in... Figure 8 In this configuration, the first color is red. A first color resist 132 with a red color state is in a colored state, a first color resist 132 with a blue color state is in a colored state, and a first color resist 132 with a green color state is in a transparent state. Second color resists 172 and 172 are transparent (i.e., the red and green sub-pixel areas are bright), while the blue second color resist 172 is opaque (i.e., the blue sub-pixel area is dark). Thus, both the red sub-pixel area and the sub-pixel area corresponding to the red first color resist 132 display red, while green light passing through the green second color resist 172 cannot pass through the blue first color resist 132, therefore the green sub-pixel area is dark. Specifically, applying a voltage difference between the first transparent electrode 133 and the second transparent electrode 134 corresponding to sub-pixel areas other than the first color can be achieved by either energizing the first transparent electrode 133 or energizing the second transparent electrode 134 corresponding to sub-pixel areas other than the first color.

[0103] The driving method for the display panel in this embodiment further includes:

[0104] A voltage difference is applied between the first transparent electrode 133 and the second transparent electrode 134 corresponding to the area that cannot be displayed normally. This causes the corresponding first color resist 132 to switch to a color state and the corresponding second color resist 172 to become opaque (i.e., adjusted to a dark state). At this point, the first color resist 132 can be used to replace the second color resist 172 for display. Therefore, even when the display panel fails to display colors normally due to faults such as short lines in the thin-film transistors on the array substrate after prolonged use, it can still display normally through the first color resist 132, avoiding repairs and thus extending the lifespan of the display panel.

[0105] [Eighth Embodiment]

[0106] The present invention also provides a method for manufacturing a display panel. Figures 20(a) and 20(b) are partial structural schematic diagrams of the manufacturing process of the display panel. The display panel includes a color filter substrate as described in the above embodiments. The method for manufacturing a display panel according to the eighth embodiment includes the following steps:

[0107] S11, Referring to FIG20(a), a first substrate 15 is provided, and a second color resist layer 17 is provided on one side of the first substrate 15. Specifically, the second color resist layer 17 includes a plurality of second color resists 172, and a light-shielding structure 11 is provided between adjacent second color resists 172. The light-shielding structure 11 separates the plurality of sub-pixel regions P of the color filter substrate from each other.

[0108] S13, forming a first color resist layer 13 on the other side of the first substrate 15. Specifically, step S13 includes:

[0109] S133, referring to FIG20(b), a second transparent electrode 134 is formed on the other side of the first substrate 15. Specifically, there are multiple second transparent electrodes 134, and the multiple second transparent electrodes 134 can be connected or disconnected by a switching element 138. In other embodiments, the second transparent electrode 134 may also be a full-surface electrode.

[0110] S135, please refer to Figure 1A plurality of first color resists 132 are formed on the side of the second transparent electrode 134 away from the first substrate 15, and a first transparent electrode 133 is formed on the side of the first color resists 132 away from the first substrate 15. The first color resists 132 include a first sub-color resist 1322, a second sub-color resist 1324, and a third sub-color resist 1326, which are configured to be able to switch independently between a transparent state and a color state. The first color filter 132 is configured to correspond one-to-one with the first transparent electrode 133, and the first color filter 132 is configured to correspond one-to-one with the second transparent electrode 134. The first transparent electrode 133 includes a first sub-electrode 1332, a second sub-electrode 1334, and a third sub-electrode 1336, which are insulated from each other. The first sub-color filter 1322 is configured one-to-one with the first sub-electrode 1332, the second sub-color filter 1324 is configured one-to-one with the second sub-electrode 1334, and the third sub-color filter 1326 is configured one-to-one with the third sub-electrode 1336. Thus, the color filter substrate 10 is fabricated. The color filter substrate 10 can be the color filter substrate in the first embodiment, the second embodiment, the third embodiment, or the fifth embodiment.

[0111] S17, please refer to Figure 19 An array substrate 30 is formed, a color filter substrate 10 and an array substrate 30 are placed opposite each other, and liquid crystal is injected between the color filter substrate 10 and the array substrate 30 to form a cell. Then, a first polarizing plate 71 and a second polarizing plate 73 are respectively disposed on the side of the color filter substrate 10 away from the liquid crystal and the side of the array substrate 30 away from the liquid crystal. A backlight module 75 is disposed on the side of the second polarizing plate 73 away from the array substrate 10. Thus, the display panel is manufactured.

[0112] It is understood that, in another embodiment, step S13 may be: forming the first color resist layer 13 on the side of the second color resist layer 17 away from the first substrate 15. The color filter substrate 10 formed in this way is the color filter substrate in the fourth embodiment.

[0113] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A color filter substrate, wherein a light-shielding structure (11) and a plurality of sub-pixel regions (P) are provided on the color filter substrate, the light-shielding structure (11) spacing the plurality of sub-pixel regions (P) apart from each other, characterized in that, The color filter substrate includes a first color resist layer (13) and a second color resist layer (17). The first color resist layer (13) is an electrochromic color resist layer. The first color resist layer (13) includes a plurality of first color resists (132). The first color resists (132) correspond one-to-one with the sub-pixel regions (P). The first color resists (132) include at least a first sub-color resist (1322), a second sub-color resist (1324), and a third sub-color resist (1326) arranged sequentially. The second color resist layer (17) includes a plurality of second color resists (172). The first color resists (132) and the second color resists (172) are arranged one-to-one. The spectral range of the target color of the first color resist (132) in the color state does not overlap with the spectral range of the color of the corresponding second color resist (172). The first color resist layer (13) further includes a plurality of first transparent electrodes (133) and at least one second transparent electrode (134). The first color resist (132) is disposed between the first transparent electrode (133) and the second transparent electrode (134), and the first color resist (132) is configured in a one-to-one correspondence with the first transparent electrode (133). The first color resist (132) switches between a transparent state and a colored state according to the voltage difference between the first transparent electrode (133) and the second transparent electrode (134). The first transparent electrode (133) includes at least a first sub-electrode (1332), a second sub-electrode (1334) and a third sub-electrode (1336) that are insulated from each other. The first sub-color resist (1322) is configured in a one-to-one correspondence with the first sub-electrode (1332), the second sub-color resist (1324) is configured in a one-to-one correspondence with the second sub-electrode (1334), and the third sub-color resist (1326) is configured in a one-to-one correspondence with the third sub-electrode (1336).

2. The color filter substrate according to claim 1, characterized in that, It includes multiple second transparent electrodes (134), each of which is configured in a one-to-one correspondence with the first color resist (132); the first sub-electrodes (1332) of the first transparent electrodes corresponding to all sub-pixel areas (P) are electrically connected to each other, the second sub-electrodes (1334) of the first transparent electrodes corresponding to all sub-pixel areas (P) are electrically connected to each other, and the third sub-electrodes (1336) of the first transparent electrodes corresponding to all sub-pixel areas (P) are electrically connected to each other, or each first sub-electrode (1332) is independently connected or disconnected, each second sub-electrode (1334) is independently connected or disconnected, and each third sub-electrode (1336) is independently connected or disconnected.

3. The color filter substrate according to claim 1, characterized in that, It includes a second transparent electrode (134), which covers the entire surface of the color filter substrate; each first sub-electrode (1332) is independently connected or disconnected, each second sub-electrode (1334) is independently connected or disconnected, and each third sub-electrode (1336) is independently connected or disconnected.

4. The color filter substrate according to claim 1, characterized in that, It includes a second transparent electrode (134) that covers the entire surface of the color filter substrate; the first sub-electrodes (1332) of the first transparent electrode corresponding to all the sub-pixel regions (P) are electrically connected to each other; the second sub-electrodes (1334) of the first transparent electrode corresponding to all the sub-pixel regions (P) are electrically connected to each other; and the third sub-electrodes (1336) of the first transparent electrode corresponding to all the sub-pixel regions (P) are electrically connected to each other.

5. The color filter substrate according to claim 1, characterized in that, The plurality of sub-pixel regions (P) include a red sub-pixel region, a green sub-pixel region, and a blue sub-pixel region. The plurality of first color resists (132) include a red electrochromic color resist, a green electrochromic color resist, and a blue electrochromic color resist. The plurality of second color resists (172) include a red color resist corresponding to the red sub-pixel region, a green color resist corresponding to the green sub-pixel region, and a blue color resist corresponding to the blue sub-pixel region. The green electrochromic color resist is set corresponding to the red sub-pixel region, the blue electrochromic color resist is set corresponding to the green sub-pixel region, and the red electrochromic color resist is set corresponding to the blue sub-pixel region.

6. A display panel, characterized in that, It includes a color filter substrate (10), an array substrate (30) opposite to the color filter substrate (10), and a liquid crystal layer (50) disposed between the color filter substrate (10) and the array substrate (30), wherein the color filter substrate (10) is the color filter substrate according to any one of claims 1-5.

7. A driving method for a display panel, characterized in that, The display panel includes a color filter substrate (10), an array substrate (30) opposite to the color filter substrate (10), and a liquid crystal layer (50) disposed between the color filter substrate (10) and the array substrate (30). The color filter substrate (10) is the color filter substrate according to any one of claims 2-3. The driving method of the display panel includes: A display data voltage signal is applied to the array substrate (30); Without applying a pressure difference between the first transparent electrode (133) and the second transparent electrode (134), the first color resist (132) becomes transparent, thus achieving a normal wide viewing angle display; A pressure difference is applied between the first sub-electrode (1332) and the second transparent electrode (134), and / or between the third sub-electrode (1336) and the second transparent electrode (134), so that the first sub-color resist (1322) and / or the third sub-color resist (1326) present a color state, and no pressure difference is applied between the second sub-electrode (1334) and the second transparent electrode (134), so that the second sub-color resist (1324) presents a transparent state, thereby realizing a normal narrow viewing angle display.

8. The driving method for a display panel according to claim 7, characterized in that, Also includes: By not applying a pressure difference between the first transparent electrode (133) and the second transparent electrode (134) corresponding to the bright area, the first color resist (132) corresponding to the bright area becomes transparent. By applying a pressure difference between the first transparent electrode (133) and the second transparent electrode (134) corresponding to the dark area, the first color resist (132) corresponding to the dark area becomes colored, thereby achieving a high contrast and wide viewing angle display. A pressure difference is applied between the first sub-electrode (1332) and the second transparent electrode (134) corresponding to the bright region, and / or between the third sub-electrode (1336) and the second transparent electrode (134), while no pressure difference is applied between the second sub-electrode (1334) and the second transparent electrode (134) corresponding to the bright region, so that the first sub-color resist (1322) and / or the third sub-color resist (1326) corresponding to the bright region present a color state, and the second sub-color resist (1324) corresponding to the bright region presents a transparent state. A pressure difference is applied between the second sub-electrode (1334) and the second transparent electrode (134) corresponding to the dark region, so that the second sub-color resist (1324) corresponding to the dark region presents a color state, thereby achieving a high-contrast narrow-viewing-angle display.

9. The driving method for a display panel according to claim 7, characterized in that, Also includes: A pressure difference is applied between a portion of the first transparent electrode (133) and the second transparent electrode (134), while no pressure difference is applied between the remaining portions of the first transparent electrode (133) and the second transparent electrode (134). This causes a portion of the first color resist (132) to be in a colored state, while the remaining portions of the first color resist (132) remain transparent, thereby achieving a local dimming mode; or, A pressure difference is applied between the first transparent electrode (133) and the second transparent electrode (134) corresponding to the first color resist (132) that displays the first color, and no pressure difference is applied between the first transparent electrode (133) and the second transparent electrode (134) corresponding to the other first color resists (132). This causes the first color resists (132) that display the first color to exhibit the color state, and the other first color resists (132) to exhibit the transparent state. Simultaneously, the sub-pixel area (P) of the first color is made transparent, while the other sub-pixel areas (P) are opaque, thereby achieving a pure color display mode for the first color; or, A pressure difference is applied between the first transparent electrode (133) and the second transparent electrode (134) corresponding to the sub-pixel area other than the first color, and no pressure difference is applied between the first transparent electrode (133) and the second transparent electrode (134) corresponding to the second color resist (172) corresponding to the first color. At the same time, the sub-pixel area corresponding to the first color resist (132) with the first color state is made opaque, while the other sub-pixel areas are transparent, thereby realizing a pure color display mode other than the first color; or, A pressure difference is applied between the first transparent electrode (133) and the second transparent electrode (134) corresponding to the area where the second color resist (172) cannot be displayed normally, so that the corresponding first color resist (132) switches to color state and the corresponding second color resist (172) becomes opaque.

Images