Display panel

Abstract

The invention provides a display panel. The display panel comprises a first substrate, a second substrate, a plurality of light emitting units and a color filter layer. The second substrate is arranged opposite to the first substrate. The second substrate comprises a first surface and a second surface. The light-emitting units are arranged on the first substrate. The color filter layer is disposed between the plurality of light emitting units and the second substrate. The color filter layer comprises a black matrix, a first color resistor and a second color resistor. The black matrix is arranged on the first color resistor. A part of the black matrix is arranged between the first color resistor and the second color resistor. The display panel disclosed by the invention can reduce the reflectivity of external light or improve the visual taste.

Description

Technical Field

[0001] The present disclosure relates to a display panel, and more particularly to a display panel that can reduce the reflectance of external light or improve visual taste. Background Art

[0002] Electronic devices or spliced electronic devices have been widely used in different fields such as communication, display, automotive, or aviation. With the booming development of electronic devices, electronic devices are being developed towards being thinner and lighter, so the requirements for the reliability or quality of electronic devices are higher. Summary of the Invention

[0003] The present disclosure provides a display panel that can reduce the reflectance of external light or improve visual taste.

[0004] According to an embodiment of the present disclosure, the display panel includes a first substrate, a second substrate, a plurality of light-emitting units, and a color filter layer. The second substrate is disposed opposite to the first substrate. The second substrate includes a first surface and a second surface. The plurality of light-emitting units are disposed on the first substrate. The color filter layer is disposed between the plurality of light-emitting units and the second substrate. The color filter layer includes a black matrix, a first color resistor, and a second color resistor. The black matrix is disposed on the first color resistor. A part of the black matrix is disposed between the first color resistor and the second color resistor.

[0005] According to an embodiment of the present disclosure, the display panel includes a first substrate, a second substrate, a plurality of light-emitting units, a color filter layer, and a refractive index matching layer. The second substrate is disposed opposite to the first substrate. The second substrate includes a first surface and a second surface. The plurality of light-emitting units are disposed on the first substrate. The color filter layer is disposed between the plurality of light-emitting units and the second substrate. The color filter layer includes a black matrix, a first color resistor, and a second color resistor. A part of the black matrix is disposed between the first color resistor and the second color resistor. The refractive index matching layer is disposed between the second substrate and the color filter layer. The refractive index of the refractive index matching layer is between the refractive index of the second substrate and the refractive index of the black matrix. Brief Description of the Drawings

[0006] The drawings are included to provide a further understanding of the present disclosure, and the drawings are incorporated into the specification and form a part of the specification. The drawings illustrate embodiments of the present disclosure and, together with the description, are used to explain the principles of the present disclosure.

[0007] Figure 1 A cross-sectional schematic diagram of the display panel according to the first embodiment of the present disclosure;

[0008] Figure 2 A cross-sectional schematic diagram of the display panel according to the second embodiment of the present disclosure;

[0009] Figure 3 A cross-sectional schematic diagram of the display panel according to the third embodiment of the present disclosure;

[0010] Figure 4 Schematic cross-sectional view of the display panel according to the fourth embodiment of the present disclosure;

[0011] Figure 5 Schematic cross-sectional view of the display panel according to the fifth embodiment of the present disclosure;

[0012] Figure 6 Schematic cross-sectional view of the display panel according to the sixth embodiment of the present disclosure.

[0013] Explanation of reference numerals in the drawings

[0014] 100, 100a, 100b, 100c, 100d, 100e: Display panel;

[0015] 101: First sub-pixel region;

[0016] 102: Second sub-pixel region;

[0017] 103: Third sub-pixel region;

[0018] 104: Light-shielding region;

[0019] 110: First substrate;

[0020] 120: Circuit layer;

[0021] 130: Light-emitting unit;

[0022] 140: Intermediate layer;

[0023] 150, 150c: Color filter layer;

[0024] 151, 151c: First color resist;

[0025] 1511: First part;

[0026] 1512: Second part;

[0027] 152: Second color resist;

[0028] 153: Third color resist;

[0029] 160: Second substrate;

[0030] 161: First surface;

[0031] 162: Second surface;

[0032] 170: Light conversion layer;

[0033] 171: First light conversion unit;

[0034] 172: Second light conversion unit;

[0035] 173: The third light conversion unit;

[0036] 180: Adhesive layer;

[0037] 190: Refractive index matching layer;

[0038] AR: Anti-reflection film;

[0039] AS: Anti-fouling layer;

[0040] BM: Black matrix;

[0041] SP: Spacer;

[0042] T1, T2, T3, T4, T5, T6: Thickness;

[0043] Z: Normal direction. Detailed implementation manner

[0044] This disclosure can be understood by referring to the following detailed description and simultaneously combining the accompanying drawings. It should be noted that, for the convenience of the reader's understanding and for the simplicity of the drawings, only a part of the electronic device is shown in the multiple accompanying drawings of this disclosure, and the specific elements in the drawings are not drawn according to the actual scale. In addition, the number and size of each element in the drawings are only for illustration and are not used to limit the scope of this disclosure.

[0045] In the following specification and claims, words such as "comprising" and "including" are open-ended words, and thus should be interpreted as meaning "including but not limited to...".

[0046] It should be understood that when an element or film layer is referred to as being "on" or "connected to" another element or film layer, it can be directly on this other element or film layer or directly connected to this other element or layer, or there are intervening elements or film layers (non-direct situation) between the two. On the contrary, when an element is referred to as being "directly" on another element or film layer or "directly connected to" another element or film layer, there are no intervening elements or film layers between the two.

[0047] In addition, relative terms such as "below" or "bottom" and "above" or "top" may be used in the embodiments to describe the relative relationship of one element of the drawing to another element. It can be understood that if the device in the drawing is flipped so that it is upside down, the element described on the "below" side will become the element on the "above" side.

[0048] Although terms such as "first", "second", "third", etc. may be used to describe various components, the components are not limited to these terms. These terms are only used to distinguish a single component in the specification from other components. The same terms may not be used in the claims, and "first", "second", "third", etc. may be replaced according to the order of the components declared in the claims. Therefore, in the following specification, the first component may be the second component in the claims.

[0049] In the text, terms such as "about", "approximately", "substantially", "essentially" generally mean within 10%, or 5%, or 3%, or 2%, or 1%, or 0.5% of a given value or range. The given quantity is an approximate quantity, that is, the meaning of "about", "approximately", "substantially", "essentially" may still be implied even without specifically stating "about", "approximately", "substantially", "essentially".

[0050] In some embodiments of the present disclosure, terms related to joining and connection, such as "connect", "interconnect", etc., unless otherwise defined, may mean that two structures are in direct contact, or may also mean that two structures are not in direct contact, and other structures are provided between these two structures. And these terms related to joining and connection may also include the cases where both structures are movable, or both structures are fixed. In addition, the term "coupled" includes any means of direct and indirect electrical connection.

[0051] In some embodiments of the present disclosure, an optical microscope (OM), a scanning electron microscope (SEM), an α-step, an ellipsometer, or other suitable means may be used to measure the area, width, thickness, or height of each component, or the distance or spacing between components. Specifically, according to some embodiments, a scanning electron microscope may be used to obtain a cross-sectional structure image of the component to be measured, and the area, width, thickness, or height of each component, or the distance or spacing between components may be measured.

[0052] The display panel disclosed herein can be applied to an electronic device, which may include a display device, an antenna device, a communication device, a sensing device, or a splicing device, but is not limited thereto. The electronic device can be a bendable or flexible electronic device. The electronic device can, for example, include liquid crystal (LC), light emitting diode, quantum dot (QD), fluorescence, phosphor, other suitable materials, or any arrangement and combination of the above materials, but is not limited thereto; the light emitting diode can, for example, include organic light emitting diode (OLED), mini light emitting diode (mini LED), micro light emitting diode (micro LED), or quantum dot light emitting diode (quantum dot, QD, which can be, for example, QLED, QDLED), but is not limited thereto. The antenna device can, for example, be a phased array antenna, but is not limited thereto. The splicing device can, for example, be a display splicing device or an antenna splicing device, but is not limited thereto. It should be noted that the electronic device can be any arrangement and combination of the foregoing, but is not limited thereto. The following will illustrate the content of the present disclosure with a display panel in an electronic device, but the present disclosure is not limited thereto.

[0053] It should be noted that, without departing from the spirit of the present disclosure, the features in several different embodiments can be replaced, recombined, and mixed to complete other embodiments in the following examples. As long as the features between the embodiments do not violate the inventive spirit or conflict with each other, they can be arbitrarily mixed and used.

[0054] Now, reference will be made in detail to the exemplary embodiments of the present disclosure, and examples of the exemplary embodiments are illustrated in the drawings. Whenever possible, the same element symbols are used in the drawings and the description to represent the same or similar parts.

[0055] Figure 1 It is a cross-sectional schematic diagram of the display panel according to the first embodiment of the present disclosure. Please refer to Figure 1 , the display panel 100 of this embodiment includes a first substrate 110, a circuit layer 120, a plurality of light emitting units 130, an intermediate layer 140, a color filter layer 150, and a second substrate 160. In addition, the display panel 100 has a first sub-pixel region 101, a second sub-pixel region 102, a third sub-pixel region 103, and a light shielding region 104, and the sub-pixel regions (i.e., the first sub-pixel region 101, the second sub-pixel region 102, and the third sub-pixel region 103) and the light shielding region 104 are arranged at intervals.

[0056] The first substrate 110 may include a rigid substrate, a flexible substrate, or a combination of the foregoing. For example, the material of the first substrate 110 may include glass, quartz, sapphire, ceramics, polycarbonate (PC), polyimide (PI), polyethylene terephthalate (PET), other suitable substrate materials, or a combination of the foregoing, but is not limited thereto.

[0057] The circuit layer 120 is disposed on the first substrate 110, and the circuit layer 120 is disposed between the light-emitting unit 130 and the first substrate 110. The circuit layer 120 may include driving circuits (not shown) such as transistors, scan lines, data lines, etc., but is not limited thereto. The circuit layer 120 can be electrically connected to the light-emitting unit 130, and the circuit layer 120 can drive the light-emitting unit 130 to emit light.

[0058] A plurality of light-emitting units 130 are disposed on the first substrate 110, and the light-emitting unit 130 is disposed on the circuit layer 120, or between the intermediate layer 140 and the circuit layer 120. The light-emitting unit 130 may include a non-self-luminous material or a self-luminous material. Among them, the non-self-luminous material may include liquid crystal or other suitable display media, and the self-luminous material may include an organic light-emitting diode or an inorganic light-emitting diode, but is not limited thereto. Among them, the light-emitting diode may include, for example, an organic light-emitting diode (OLED), a mini light-emitting diode (mini LED), a micro light-emitting diode (micro LED), or a quantum dot light-emitting diode (quantum dot, QD, which may be, for example, QLED, QDLED), but is not limited thereto. For example, the light-emitting unit 130 may be, for example, a red light-emitting diode, a green light-emitting diode, a blue light-emitting diode, a white light-emitting diode, or an ultraviolet light-emitting diode, but is not limited thereto.

[0059] The intermediate layer 140 is disposed on the first substrate 110, wherein the intermediate layer 140 may have functions such as insulation, adhesion, protection, planarization, or other suitable functions, but is not limited thereto. The intermediate layer 140 is disposed between the color filter layer 150 and the light-emitting unit 130. The intermediate layer 140 can be used to bond and align the first substrate 110 and the second substrate 160. The material of the intermediate layer 140 may be, for example, an optically clear adhesive (OCA), an optical clear resin (OCR), a polyfluoroalkoxy (PFA), other suitable materials, or a combination of the foregoing, but is not limited thereto.

[0060] The color filter layer 150 is disposed on the intermediate layer 140, and the color filter layer 150 is disposed between the second substrate 160 and the plurality of light-emitting units 130. The color filter layer 150 includes a black matrix (BM), a first color resist 151, a second color resist 152, and a third color resist 153.

[0061] Specifically, the first color resist 151 includes a first portion 1511 and a second portion 1512. The first portion 1511 is disposed on the black matrix BM. The first portion 1511 is disposed between the second substrate 160 and the black matrix BM, and the first portion 1511 can overlap the black matrix BM in the normal direction Z of the first substrate 110. The second portion 1512 is not disposed on the black matrix BM. The second portion 1512 is disposed between two adjacent black matrices BM, the second portion 1512 is disposed between two adjacent first portions 1511, and the second portion 1512 does not overlap the black matrix BM in the normal direction Z of the first substrate 110. In this embodiment, "adjacent" means that there is no other same component between the same two components. In some embodiments, the first portion 1511 and the second portion 1512 are respectively disposed on adjacent sides of the black matrix BM (for example, the adjacent upper surface and side surface, where the upper surface faces the second substrate 160). In some embodiments, the first portion 1511 and the second portion 1512 can contact the second substrate 160, but are not limited thereto.

[0062] The second color resist 152 and the third color resist 153 are not disposed on the black matrix BM. The second color resist 152 or the third color resist 153 is disposed between two adjacent black matrices BM. The second color resist 152 or the third color resist 153 is disposed between two adjacent first portions 1511, and the second color resist 152 and the third color resist 153 do not overlap the black matrix BM in the normal direction Z of the first substrate 110. In some embodiments, the second color resist 152 and the third color resist 153 can contact the second substrate 160, but are not limited thereto.

[0063] The black matrix BM is disposed under the first portion 1511 of the first color resist 151, and the black matrix BM is disposed between the first portion 1511 and the intermediate layer 140. A part of the black matrix BM is disposed between the second portion 1512 of the first color resist 151 and the second color resist 152. The black matrix BM and the color resists (i.e., the first portion 1511 of the first color resist 151, the second color resist 152, and the third color resist 153) can be spaced apart. In some embodiments, the black matrix BM does not contact the second substrate 160, but is not limited thereto. In some embodiments, the material of the black matrix BM can include a black resin or other suitable light-shielding material, but is not limited thereto.

[0064] In this embodiment, the second part 1512 of the first color filter 151 is disposed corresponding to the first sub-pixel region 101, the second color filter 152 is disposed corresponding to the second sub-pixel region 102, the third color filter 153 is disposed corresponding to the third sub-pixel region 103, and the first part 1511 of the first color filter 151 and the black matrix BM are disposed corresponding to the light-shielding region 104.

[0065] The first part 1511 of the first color filter 151 has a thickness T1, the second part 1512 of the first color filter 151 has a thickness T2, the second color filter 152 has a thickness T3, and the third color filter 153 has a thickness T4. Herein, the thickness T1 is, for example, the maximum thickness measured along the normal direction Z of the first part 1511, the thickness T2 is, for example, the maximum thickness measured along the normal direction Z of the second part 1512, the thickness T3 is, for example, the maximum thickness measured along the normal direction Z of the second color filter 152, and the thickness T4 is, for example, the maximum thickness measured along the normal direction Z of the third color filter 153. In this embodiment, the thickness T2 of the second part 1512 of the first color filter 151 in the first sub-pixel region 101 may be, for example, greater than the thickness T1 of the first part 1511 of the first color filter 151 in the light-shielding region 104, and the thickness T3 of the second color filter 152 and the thickness T4 of the third color filter 153 may be, for example, greater than the thickness T1 of the first part 1511, but is not limited thereto.

[0066] In this embodiment, the first color filter 151, the second color filter 152, and the third color filter 153 may be color filters or light-filtering materials of different colors, such as a red color filter, a green color filter, a blue color filter, a color filter of other colors, or a light-filtering material of other colors, etc. For example, the first color filter 151 may be a blue color filter, the second color filter 152 may be a green color filter, and the third color filter 153 may be a red color filter, but is not limited thereto. In some embodiments, the first color filter 151 may also be a color filter of a color other than blue, the second color filter 152 may also be a color filter of a color other than green, and the third color filter 153 may also be a color filter of a color other than red. When the first part 1511 of the first color filter 151 is a blue color filter, it may have a better light absorption effect compared with color filters of other colors, and thus can further reduce the reflectance of external light.

[0067] The second substrate 160 is disposed relative to the first substrate 110. The second substrate 160 includes a first surface 161 and a second surface 162 that face each other. The first surface 161 faces the color filter layer 150 and the first substrate 110, and the first surface 161 is closer to the color filter layer 150 and the first substrate 110 than the second surface 162. The second substrate 160 may include a rigid substrate, a flexible substrate, or a combination of the foregoing. For example, the material of the second substrate 160 may include glass, quartz, sapphire, ceramics, polycarbonate, polyimide, polyethylene terephthalate, other suitable substrate materials, or a combination of the foregoing, but is not limited thereto.

[0068] In this embodiment, a first portion 1511 of the first color resistor 151 disposed on the black matrix BM can be used as an antireflection material layer to reduce the reflectivity of external light within the first surface 161 of the second substrate 160 (including the reflectivity of external light on the surface of the first portion 1511 and the reflectivity of external light on the surface of the black matrix BM), thereby improving the panel transmittance, reducing power consumption, or enhancing visual taste. For example, when the reflectivity of external light within the first surface of the second substrate without the first portion is 2%, the reflectivity of external light within the first surface 161 of the second substrate 160 provided with the first portion 1511 can be reduced to about 1%.

[0069] In this embodiment, since the first portion 1511 of the first color resistor 151 serving as the antireflection material layer can be fabricated simultaneously when fabricating the color resistors of the color filter layer 150, it can have the effect of simplifying the manufacturing process.

[0070] In Figure 1 The schematic diagram in may be a schematic diagram after the first substrate 110 and the second substrate 160 are assembled. In this embodiment, the first substrate 110 stack and the second substrate 160 stack can be fabricated separately, and then the second substrate 160 stack is turned over to face the first substrate 110 stack for assembly, as shown in Figure 1 where the second substrate 160 is located at the topmost layer and the first substrate 110 is located at the bottommost layer. The manufacturing sequence of the first substrate 110 stack can sequentially dispose the circuit layer 120 and a plurality of light-emitting units 130 on the first substrate 110, and the manufacturing sequence of the second substrate 160 stack can sequentially dispose the first portion 1511, the black matrix BM, and related color resist layers (1512 / 152 / 153) on the first surface 161 of the second substrate 160, and then the second substrate 160 stack is turned over to face the first substrate 110 stack and bonded with the intermediate layer 140 to assemble the first substrate 110 stack.

[0071] Other embodiments will be listed below for illustration. It must be noted here that the following embodiments follow the component numbers and some content of the foregoing embodiments, where the same numbers are used to represent the same or similar components, and the description of the same technical content is omitted. For the description of the omitted parts, reference can be made to the foregoing embodiments, and the following embodiments will not be repeated.

[0072] Figure 2 It is a cross-sectional schematic view of the display panel according to the second embodiment of the present disclosure. Please refer to Figure 2 and Figure 1 , the display panel 100a of this embodiment is similar to the display panel 100 of Figure 1 , but the difference between the two is that: the display panel 100a of this embodiment further includes an anti-reflection layer (AR) and an anti-smudge layer (AS).

[0073] Specifically, please refer to Figure 2 , in this embodiment, the anti-reflection layer AR is disposed on the second surface 162 of the second substrate 160, and the anti-reflection layer AR and the color filter layer 150 are respectively disposed on opposite sides of the second substrate 160. The anti-reflection layer AR includes a plurality of high refractive index layers (not shown) and low refractive index layers (not shown) alternately arranged in the normal direction Z. The anti-reflection layer AR can be, for example, a composite film composed of more than 2 layers (such as 4 layers or 6 layers, etc.) of high refractive index layers and low refractive index layers alternately arranged. For example, when the anti-reflection layer AR is a composite film composed of 4 layers of high refractive index layers and low refractive index layers alternately arranged, the stack of the composite film can be sequentially the first high refractive index layer, the first low refractive index layer, the second high refractive index layer, and the second low refractive index layer from bottom to top. In this embodiment, the material of the high refractive index layer may include niobium oxide, and the material of the low refractive index layer may include silicon oxide, but is not limited thereto. In this embodiment, the refractive index of the high refractive index layer can be, for example, 2.5, and the refractive index of the low refractive index layer can be, for example, 1.5, but is not limited thereto.

[0074] In this embodiment, the anti-reflection layer AR can utilize the interference effect of light to reduce the reflectivity of external light on the second surface 162 of the second substrate 160, thereby further improving the panel transmittance, reducing power consumption, or enhancing the visual taste. For example, when the reflectivity of external light on the second surface of the second substrate without the anti-reflection layer is 4%, the reflectivity of external light on the second surface 162 of the second substrate 160 provided with the anti-reflection layer AR can be reduced to about 0.2%.

[0075] The anti-fouling layer AS is disposed on the anti-reflection film AR. The anti-fouling layer AS has a thickness T5. The thickness T5 is, for example, the maximum thickness measured along the normal direction Z of the anti-fouling layer AS. In this embodiment, the thickness T5 of the anti-fouling layer AS can be, for example, less than or equal to 20 nanometers (nm), but is not limited thereto. In addition, in this embodiment, the material of the anti-fouling layer AS can include fluorine compounds, epoxy resins, acrylics, etc., but is not limited thereto.

[0076] In this embodiment, the anti-fouling layer AS can fill the pores on the second surface 162 of the second substrate 160 more densely and smoothly, so that dirt is not easily attached to the second substrate 160. The anti-fouling layer AS can be a durable double-hydrophobic coating, having the characteristics of water repellency and oil repellency. In addition, the anti-fouling layer AS has good light transmittance, so it does not affect the optical visual effect.

[0077] Figure 3 It is a cross-sectional schematic diagram of the display panel according to the third embodiment of the present disclosure. Please refer to Figure 3 and Figure 2 , the display panel 100b of this embodiment is similar to Figure 2 the display panel 100a, but the difference between the two is that: the display panel 100b of this embodiment further includes a light conversion layer 170 and an adhesive layer 180.

[0078] Specifically, please refer to Figure 3 , in this embodiment, the light conversion layer 170 is disposed under the color filter layer 150, and the light conversion layer 170 is disposed between the color filter layer 150 and the intermediate layer 140. The light conversion layer 170 includes spacers SP, a first light conversion unit 171, a second light conversion unit 172, and a third light conversion unit 173. The material of the light conversion unit (i.e., the first light conversion unit 171, the second light conversion unit 172, and the third light conversion unit 173) can include quantum dots, fluorescence, phosphorescence, other suitable materials, or a combination of the above, but is not limited thereto.

[0079] In detail, the light conversion units (i.e., the first light conversion unit 171, the second light conversion unit 172, and the third light conversion unit 173) are spaced apart from the spacers SP, and the light conversion units (i.e., the first light conversion unit 171, the second light conversion unit 172, or the third light conversion unit 173) are disposed between two adjacent spacers SP. A part of the spacer SP is disposed between the first light conversion unit 171 and the second light conversion unit 172.

[0080] In the normal direction Z of the first substrate 110, the light conversion units (i.e., the first light conversion unit 171, the second light conversion unit 172, and the third light conversion unit 173) do not overlap the spacers SP and the black matrix BM. In the normal direction Z of the first substrate 110, the first light conversion unit 171 overlaps the second portion 1512 of the first color resist 151, the second light conversion unit 172 overlaps the second color resist 152, the third light conversion unit 173 overlaps the third color resist 153, and the spacers SP overlap the black matrix BM. In some embodiments, the first light conversion unit 171 may contact the second portion 1512 of the first color resist 151, the second light conversion unit 172 may contact the second color resist 152, the third light conversion unit 173 may contact the third color resist 153, and the spacers SP may contact the black matrix BM, but it is not limited thereto.

[0081] The adhesive layer 180 may be selectively disposed on the first substrate 110, and the adhesive layer 180 is disposed between the intermediate layer 140 and the light-emitting unit 130. When the light-emitting unit 130 is a non-self-luminous material (such as liquid crystal), the adhesive layer 180 can be used as a spacer to support the liquid crystal, or to bond and align the first substrate 110 and the second substrate 160. When the light-emitting unit 130 is a self-luminous material (such as a light-emitting diode), the adhesive layer 180 can be used as an underfill to fix the light-emitting diode, or to protect the light-emitting diode to prevent moisture from penetrating.

[0082] Figure 4 It is a schematic cross-sectional view of the display panel according to the fourth embodiment of the present disclosure. Please refer to Figure 4 and Figure 1 , the display panel 100c of this embodiment is similar to the display panel 100 of Figure 1 , but the difference between the two is that: the display panel 100c of this embodiment further includes an index matching film (IMF) 190. Among them, the index matching layer 190 can be used as an anti-reflection material layer, and can be used to replace Figure 1 the first portion 1511 of the first color resist 151 in the display panel 100 of

[0083] Specifically, please refer to Figure 4 , in this embodiment, the index matching layer 190 is disposed on the intermediate layer 140, and the index matching layer 190 is disposed between the first surface 161 of the second substrate 160 and the color filter layer 150c. In this embodiment, the material of the index matching layer 190 may include a silicon oxynitride film layer (SiONx), but it is not limited thereto. Among them, the refractive index of the silicon oxynitride film layer can be adjusted by the amount of nitrous oxide (N2O) and ammonia (NH3) to adjust the refractive index of the index matching layer 190.

[0084] In this embodiment, the refractive index of the refractive index matching layer 190 can be, for example, between the refractive index of the second substrate 160 and the refractive index of the black matrix BM, so as to reduce the reflected light by reducing the refractive index difference between different materials, but it is not limited thereto. For example, when the second substrate 160 is glass, since the refractive index of glass is 1.5 and the refractive index of the black matrix BM is 1.7 to 1.8, therefore, the refractive index of the refractive index matching layer 190 can be, for example, between 1.5 and 1.8.

[0085] The refractive index matching layer 190 has a thickness T6. The thickness T6 is, for example, the maximum thickness measured along the normal direction Z of the refractive index matching layer 190. In this embodiment, the thickness T6 of the refractive index matching layer 190 can be an odd multiple of 1 / 4 of the incident wavelength, so as to reduce the reflectance by generating destructive interference. For example, when the incident wavelength is 550 nanometers, the thickness T6 of the refractive index matching layer 190 can be, for example, 100 nanometers to 700 nanometers, or 300 nanometers to 500 nanometers.

[0086] In this embodiment, the refractive index matching layer 190 disposed on the black matrix BM can be used as an antireflection material layer to reduce the reflectance of external light in the first surface 161 of the second substrate 160 (including the reflectance of external light on the surface of the refractive index matching layer 190 and the reflectance of external light on the surface of the black matrix BM), thereby improving the panel transmittance, reducing power consumption, or enhancing the visual taste. For example, when the reflectance of external light in the first surface of the second substrate without the refractive index matching layer is 2%, the reflectance of external light in the first surface 161 of the second substrate 160 provided with the refractive index matching layer 190 can be reduced to about 1%.

[0087] The color filter layer 150c is disposed between the refractive index matching layer 190 and the intermediate layer 140. Among them, the color resist (i.e., the first color resist 151c, the second color resist 152, and the third color resist 153) is arranged at intervals from the black matrix BM. The color resist (i.e., the first color resist 151c, the second color resist 152, or the third color resist 153) is disposed between two adjacent black matrices BM, and the color resist (i.e., the first color resist 151c, the second color resist 152, or the third color resist 153) is not disposed between the second substrate 160 and the black matrix BM. In the normal direction Z of the first substrate 110, the color resist (i.e., the first color resist 151c, the second color resist 152, and the third color resist 153) does not overlap the black matrix BM, and the color resist (i.e., the first color resist 151c, the second color resist 152, and the third color resist 153) and the black matrix BM may overlap the refractive index matching layer 190. A part of the black matrix BM is disposed between the first color resist 151c and the second color resist 152. In addition, in some embodiments, the color resist (i.e., the first color resist 151c, the second color resist 152, and the third color resist 153) may contact the refractive index matching layer 190 and not contact the second substrate 160, but is not limited thereto.

[0088] Figure 5 It is a schematic cross-sectional view of a display panel according to the fifth embodiment of the present disclosure. Please refer to Figure 5 and Figure 4 , the display panel 100d of this embodiment is similar to the Figure 4 display panel 100c, but the difference between the two is that: the display panel 100d of this embodiment further includes an anti-reflection film AR and an anti-fouling layer AS.

[0089] Specifically, please refer to Figure 5 , in this embodiment, the anti-reflection film AR is disposed on the second surface 162 of the second substrate 160, and the anti-reflection film AR and the color filter layer 150c are respectively disposed on opposite sides of the second substrate 160. The anti-reflection film AR includes a plurality of high refractive index layers (not shown) and low refractive index layers (not shown) alternately arranged in the normal direction Z. The anti-reflection film AR may be, for example, a composite film composed of more than 2 layers (such as 4 layers or 6 layers, etc.) of high refractive index layers and low refractive index layers alternately arranged. For example, when the anti-reflection film AR is a composite film composed of 4 layers of high refractive index layers and low refractive index layers alternately arranged, the stack of the composite film may be sequentially the first high refractive index layer, the first low refractive index layer, the second high refractive index layer, and the second low refractive index layer from bottom to top. In this embodiment, the material of the high refractive index layer may include niobium oxide, and the material of the low refractive index layer may include silicon oxide, but is not limited thereto. In this embodiment, the refractive index of the high refractive index layer may be, for example, 2.5, and the refractive index of the low refractive index layer may be, for example, 1.5, but is not limited thereto.

[0090] In this embodiment, the antireflection film AR can utilize the interference effect of light to reduce the reflectivity of external light on the second surface 162 of the second substrate 160, thereby further improving the panel transmittance, reducing power consumption, or enhancing the visual taste. For example, when the reflectivity of external light on the second surface of the second substrate without the antireflection film is 4%, the reflectivity of external light on the second surface 162 of the second substrate 160 provided with the antireflection film AR can be reduced to about 0.2%.

[0091] The anti-staining layer AS is disposed on the antireflection film AR. The anti-staining layer AS has a thickness T5. The thickness T5 is, for example, the maximum thickness measured along the normal direction Z of the anti-staining layer AS. In this embodiment, the thickness T5 of the anti-staining layer AS can be, for example, less than or equal to 20 nanometers, but is not limited thereto. In addition, in this embodiment, the material of the anti-staining layer AS can include fluorine compounds, epoxy resins, acrylics, etc., but is not limited thereto.

[0092] In this embodiment, the anti-staining layer AS can fill the pores on the second surface 162 of the second substrate 160 more densely and evenly, so that dirt is not easily attached to the second substrate 160. The anti-staining layer AS can be a durable double-hydrophobic coating, having the characteristics of water repellency and oil repellency. In addition, the anti-staining layer AS has good light transmittance, so it does not affect the optical visual effect.

[0093] Figure 6 It is a cross-sectional schematic diagram of a display panel according to the sixth embodiment of the present disclosure. Please refer to Figure 6 and Figure 5 , the display panel 100e of this embodiment is similar to the display panel 100d of Figure 5 , but the difference between the two is that: the display panel 100e of this embodiment further includes a light conversion layer 170 and an adhesive layer 180.

[0094] Specifically, please refer to Figure 6 , in this embodiment, the light conversion layer 170 is disposed under the color filter layer 150c, and the light conversion layer 170 is disposed between the color filter layer 150c and the intermediate layer 140. The light conversion layer 170 includes spacers SP, a first light conversion unit 171, a second light conversion unit 172, and a third light conversion unit 173. The material of the light conversion unit (i.e., the first light conversion unit 171, the second light conversion unit 172, and the third light conversion unit 173) can include quantum dots, fluorescence, phosphorescence, other suitable materials, or a combination of the above, but is not limited thereto.

[0095] Specifically, the light conversion units (i.e., the first light conversion unit 171, the second light conversion unit 172, and the third light conversion unit 173) are spaced apart from the spacers SP, and the light conversion units (i.e., the first light conversion unit 171, the second light conversion unit 172, or the third light conversion unit 173) are disposed between two adjacent spacers SP. A part of the spacer SP is disposed between the first light conversion unit 171 and the second light conversion unit 172.

[0096] In the normal direction Z of the first substrate 110, the light conversion units (i.e., the first light conversion unit 171, the second light conversion unit 172, and the third light conversion unit 173) do not overlap with the spacers SP and the black matrix BM. In the normal direction Z of the first substrate 110, the first light conversion unit 171 overlaps with the first color filter 151c, the second light conversion unit 172 overlaps with the second color filter 152, the third light conversion unit 173 overlaps with the third color filter 153, and the spacers SP overlap with the black matrix BM. In some embodiments, the first light conversion unit 171 may contact the first color filter 151c, the second light conversion unit 172 may contact the second color filter 152, the third light conversion unit 173 may contact the third color filter 153, and the spacers SP may contact the black matrix BM, but not limited thereto.

[0097] The adhesive layer 180 may be selectively disposed on the first substrate 110, and the adhesive layer 180 is disposed between the intermediate layer 140 and the light-emitting unit 130. When the light-emitting unit 130 is a non-self-luminous material (such as liquid crystal), the adhesive layer 180 may serve as a frame adhesive for supporting the liquid crystal, or for bonding and aligning the first substrate 110 and the second substrate 160. When the light-emitting unit 130 is a self-luminous material (such as a light-emitting diode), the adhesive layer 180 may serve as an underfill for fixing the light-emitting diode, or for protecting the light-emitting diode to prevent moisture from infiltrating.

[0098] In some embodiments, for example, in Figure 4 or Figure 5 or Figure 6 the first part 1511 of the first color filter 151 may be selectively disposed between the refractive index matching layer 190 and the black matrix BM. In this way, there may be multiple layers of antireflection material layers (the refractive index matching layer 190 and the first part 1511 of the first color filter 151) between the second substrate 160 and the black matrix BM to reduce the reflectivity of external light on the first surface 161 of the second substrate 160, thereby improving the panel transmittance, reducing power consumption, or enhancing the visual taste.

[0099] In summary, in the display panel according to the disclosed embodiment, the first portion of the first color resist disposed on the black matrix or the refractive index matching layer can be used as an anti-reflection material layer to reduce the reflectance of external light within the first surface of the second substrate (including the reflectance of external light on the surface of the first portion or the refractive index matching layer and the reflectance of external light on the surface of the black matrix), thereby improving the panel transmittance, reducing power consumption, or enhancing visual taste. In addition, since the anti-reflection film can utilize the interference effect of light to reduce the reflectance of external light on the second surface of the second substrate, the panel transmittance can be further improved, power consumption can be reduced, or visual taste can be enhanced.

[0100] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, and are not intended to limit them; although the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. A display panel, characterized in that, Comprising: A first substrate; A second substrate, disposed opposite to the first substrate and including a first surface and a second surface; A plurality of light-emitting units, disposed on the first substrate; And A color filter layer, disposed between the second substrate and the plurality of light-emitting units and including a black matrix, a first color resist, and a second color resist, wherein the black matrix is disposed under the first color resist; Wherein, a part of the black matrix is disposed between the first color resist and the second color resist.

2. The display panel according to claim 1, wherein The first color resist includes a first part disposed on the black matrix and a second part not disposed on the black matrix, and the thickness of the second part is greater than that of the first part.

3. The display panel according to claim 1, wherein Further comprising: An anti-reflection film, disposed on the second surface.

4. The display panel according to claim 3, wherein The anti-reflection film includes a plurality of high-refractive-index layers and low-refractive-index layers alternately arranged with each other.

5. The display panel according to claim 3, wherein, Further comprising: An anti-fouling layer, disposed on the anti-reflection film.

6. The display panel according to claim 5, wherein The anti-fouling layer includes a fluorine compound.

7. The display panel according to claim 5, wherein The thickness of the anti-fouling layer is less than or equal to 20 nanometers.

8. The display panel according to claim 1, characterized in that, Further comprising: A light conversion layer, disposed under the color filter layer and including spacers, a first light conversion unit, and a second light conversion unit, Wherein a part of the spacers is disposed between the first light conversion unit and the second light conversion unit.

9. The display panel according to claim 8, wherein The first light conversion unit overlaps with the first color resist, the second light conversion unit overlaps with the second color resist, and the spacers overlap with the black matrix.

10. A display panel, characterized in that, Comprising: A first substrate; A second substrate, disposed opposite to the first substrate and including a first surface and a second surface; A plurality of light-emitting units, disposed on the first substrate; A color filter layer, disposed between the plurality of light-emitting units and the second substrate and including a black matrix, a first color resist, and a second color resist, wherein a part of the black matrix is disposed between the first color resist and the second color resist; And A refractive index matching layer, disposed between the second substrate and the color filter layer; Wherein, the refractive index of the refractive index matching layer is between the refractive index of the second substrate and the refractive index of the black matrix.

11. The display panel according to claim 10, wherein Further comprising: An anti-reflection film, disposed on the second surface.

12. The display panel according to claim 11, wherein, The anti-reflection film includes a plurality of high-refractive-index layers and low-refractive-index layers alternately arranged with each other.

13. The display panel according to claim 11, wherein Further comprising: An anti-fouling layer, disposed on the anti-reflection film.

14. The display panel according to claim 13, wherein, The anti-fouling layer includes a fluorine compound.

15. The display panel according to claim 13, characterized in that, The thickness of the anti-fouling layer is less than or equal to 20 nanometers.

16. The display panel according to claim 10, wherein Further comprising: A light conversion layer, disposed under the color filter layer and including spacers, a first light conversion unit, and a second light conversion unit, Wherein a part of the spacers is disposed between the first light conversion unit and the second light conversion unit.

17. The display panel according to claim 16, wherein The first light conversion unit overlaps with the first color resist, the second light conversion unit overlaps with the second color resist, and the spacers overlap with the black matrix.

Images