Optical path control member and display device including the same

Abstract

The optical path control member according to the embodiment includes a first substrate, a first electrode provided on the first substrate, a second substrate provided on the first substrate, a second electrode provided below the second substrate, and an optical conversion unit provided between the first electrode and the second electrode, in which: the optical conversion unit includes a partition wall portion, a housing portion, and a base portion; an optical conversion material including a dispersion liquid, an optical conversion particle, and a dispersant is provided in the housing portion; and the dispersant includes a non-ionic dispersant.

Description

Technical Field

[0001] The embodiments relate to an optical path control component and a display device including the optical path control component. Background Technology

[0002] A light-shielding film blocks the transmission of light from a light source and is attached to the front surface of a display panel used in mobile phones, laptops, tablets, car navigation systems, car touch screens, etc. Therefore, the light-shielding film adjusts the viewing angle of the light according to the incident angle of the light so that the display outputs a clear picture at the viewing angle required by the user.

[0003] In addition, shading film can also be used on windows of vehicles, buildings, etc., to partially block outside light, thereby preventing glare or preventing the outside from seeing inside.

[0004] In other words, the light-shielding film can be a light path control component that controls the movement path of light to block light from a specific direction and transmit light from a specific direction. Therefore, the user's viewing angle can be controlled by adjusting the light transmission angle through the light-shielding film.

[0005] Meanwhile, such light-blocking films can be divided into light-blocking films that can always control the viewing angle regardless of the surrounding environment or the user's environment, and switchable light-blocking films that allow users to open / close the viewing angle control according to the surrounding environment or the user's environment.

[0006] Such a switchable light-blocking film can be achieved by filling the interior of the receiving part with particles that can move when a voltage is applied, as well as a dispersion liquid for dispersing the particles, and by dispersing and aggregating the particles, thereby converting the patterned part into a light-transmitting part and a light-blocking part.

[0007] Meanwhile, a light conversion unit is formed by imprinting a light-curing resin, thus a base part, a barrier rib part, and a receiving part can be formed in the light conversion unit.

[0008] A light-converting material can be filled into the containment. In this case, a dispersant can be added to the light-converting material to prevent the aggregation of light-converting particles.

[0009] Dispersants can prevent the aggregation of light-converting particles to increase the lifespan of optical path control components, but they may interfere with the movement of light-converting particles within the housing, thereby potentially reducing the driving characteristics of the optical path control components.

[0010] Therefore, there is a need for optical path control components with new structures that can solve the above problems. Summary of the Invention

[0011] Technical issues

[0012] The embodiments relate to an optical path control component with improved driving characteristics.

[0013] Technical solution

[0014] The optical path control component according to an embodiment includes: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed below the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the light conversion unit includes a partition wall portion, a receiving portion, and a base portion, wherein a light conversion material including a dispersion liquid, light conversion particles, and a dispersant is disposed in the receiving portion, wherein the dispersant includes a nonionic dispersant.

[0015] Beneficial effects

[0016] According to the embodiment, the optical path control component can improve the driving speed and driving characteristics of the optical path control component by improving the moving speed of the light conversion particles.

[0017] In other words, since the dispersant included in the light conversion material is a nonpolar nonionic dispersant, it is possible to prevent the formation of a binding layer by binding the light conversion particles and the dispersant within the dispersion.

[0018] Accordingly, when a voltage is applied to the optical path control component, the driving speed of the optical path control component can be increased because the light conversion particles can move directly without removing the bonding layer.

[0019] Furthermore, the driving characteristics of the optical path control component can be improved by enhancing the negative charge characteristics of the partition wall and / or base.

[0020] In other words, since the resin composition forming the partition wall and / or base includes monomers with highly electronegative bonding groups, the partition wall and / or base can include multiple negative charges, and thus the polarity of the partition wall and / or base can be increased.

[0021] Accordingly, by causing the positively charged dispersant within the light conversion material to move towards the partition wall and / or base portion, the movement of the light conversion particles can be promoted. Furthermore, since the reduction in the magnitude of the negative charge of the light conversion particles due to the combination of the positively charged dispersant and the light conversion particles can be prevented, the movement speed of the light conversion particles can be increased.

[0022] Therefore, the optical path control component according to embodiments of the present invention can have improved driving speed and driving characteristics. Attached Figure Description

[0023] Figures 1 to 2This is a cross-sectional view of the optical conversion unit of the optical path control component according to an embodiment.

[0024] Figures 3 to 5 This is an enlarged view of a region of the optical conversion unit of the optical path control component according to an embodiment.

[0025] Figure 6 This is a graph used to explain the transmittance and drive speed of the optical path control component according to the embodiments and comparative examples.

[0026] Figures 7 to 9 This is a view used to explain the manufacturing process of the light conversion unit of the light path control component according to another embodiment.

[0027] Figure 10 This is a view used to explain the curing process of the resin composition of the light conversion unit according to another embodiment.

[0028] Figure 11 and Figure 12 This is a cross-sectional view of a display device that utilizes the optical path control component according to an embodiment.

[0029] Figures 13 to 15 This is a view used to describe an embodiment of a display device that applies a light path control component according to an embodiment. Detailed Implementation

[0030] In the following, embodiments of the invention will be described in detail with reference to the accompanying drawings. However, the spirit and scope of the invention are not limited to the portion of the described embodiments, and it may be implemented in various other forms. Furthermore, one or more elements of the embodiments may be selectively combined and substituted within the spirit and scope of the invention.

[0031] Furthermore, unless otherwise explicitly defined and described, the terms (including technical and scientific terms) used in the embodiments of this invention may be interpreted as having the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains, and terms, such as those defined in a general dictionary, may be interpreted as having the same meaning as their meaning in the context of the relevant art.

[0032] Furthermore, the terminology used in the embodiments of the present invention is for describing the embodiments and not for limiting the invention. In this specification, unless specifically stated in the phrase, the singular form may also include the plural form, and when described as “at least one (or more) of A, B, and C”, it may include at least one of all combinations that can be combined with A, B, and C.

[0033] Furthermore, when describing the elements of embodiments of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are used only to distinguish elements from other elements, and the terms are not limited to the nature, order, or sequence of the elements.

[0034] Furthermore, when an element is described as being “connected” or “combined” to another element, it can include not only cases where the element is directly “connected” or “combined” to another element, but also cases where the element is “connected” or “combined” through another element between itself and other elements.

[0035] Furthermore, when described as being formed or positioned “above” or “below” in each element, “above” or “below” can include not only cases where two elements are directly connected to each other, but also cases where one or more other elements are formed or positioned between the two elements.

[0036] Furthermore, when expressed as "above" or "below", it can include not only the upward direction based on an element but also the downward direction.

[0037] In the following description, the optical path control component according to an embodiment will be described with reference to the accompanying drawings.

[0038] First, refer to Figures 1 to 5 Describes the optical conversion unit of the optical path control component according to an embodiment.

[0039] refer to Figures 1 to 5 The light conversion unit 300 can be disposed between the first substrate 110 and the second substrate 120. More specifically, the light conversion unit 300 can be disposed between the first electrode 210 and the second electrode 220. Alternatively, the light conversion unit 300 can be disposed between the adhesive layer 410 and the buffer layer 420.

[0040] The light conversion unit may include a partition wall portion 310, a receiving portion 320, and a base portion 350.

[0041] The light conversion material 330 can be disposed in the container 320. Specifically, the light conversion material 330, which includes a dispersion 330a and light conversion particles 330b, can be disposed in the container 320.

[0042] The light-converting particles 330b dispersed in the dispersion 330a can receive voltage from the first electrode 210 and / or the second electrode 220 and move in the direction of the first electrode 210 or the second electrode 220.

[0043] The light conversion material 330 may further include a plurality of dispersants 11, 12. The dispersants may be dispersed in the dispersion 330a. The dispersants 11, 12 may prevent the light conversion particles 330b from agglomerating. Therefore, by preventing the light conversion particles 330b from agglomerating in the dispersion 330a, the driving characteristics of the optical path control component may be improved.

[0044] Dispersants 11 and 12 can be defined as various dispersants depending on whether they are polar or not. In detail, dispersants 11 and 12 can include positively charged cationic dispersants, negatively charged anionic dispersants, and nonionic dispersants without charge.

[0045] Since the light conversion particles 330b disposed in the dispersion 330a have an electric charge, the dispersants 11 and 12 disposed in the dispersion 330a may interfere with the movement of the light conversion particles 330b.

[0046] For example, the light-converting particle 330b can have a negative charge. Accordingly, when a positive voltage is applied to the first electrode 210 and / or the second electrode 220, the light-converting particle 330b can move toward the first electrode 210 or the second electrode 220.

[0047] Accordingly, the dispersant disposed in the dispersion 330a may not have the same charge as the light-converting particles 330b. That is, when the light-converting particles 330b and the dispersant have the same polarity of charge, the dispersant may move together by the voltage applied from the first electrode 210 and / or the second electrode 220, and thus the dispersant may interfere with the movement of the light-converting particles 330b. Accordingly, the light-converting particles and the dispersant may have charges of different polarities.

[0048] For example, anionic dispersants cannot be used when the light-converting particles 330b have a negative charge.

[0049] Accordingly, dispersants 11 and 12 can be cationic or nonionic dispersants.

[0050] Meanwhile, when dispersants 11 and 12 are polar, polar light-converting particles can be combined with the dispersants.

[0051] For example, when a cationic dispersant having cationic properties is disposed in the dispersion 330a, the light-converting particles 330b having anionic properties disposed in the dispersion 330a can combine with the dispersant.

[0052] Figure 3 and Figure 4 These are enlarged views of the interior of the containment when cationic and nonionic dispersants are placed inside the dispersion 330a.

[0053] refer to Figure 3 When the cationic dispersant is placed inside the dispersion 330a, the cationic dispersant can combine with the negatively charged light-converting particles 330b.

[0054] In other words, a portion of the cationic dispersant can bind to the light-converting particles 330b. Accordingly, the shell shape of the core-shell structured light-converting particles 330b, which are negatively charged through surface treatment, can be changed. That is, the light-converting particles 330b can bind to the cationic dispersant to form a binding layer. Accordingly, the light-converting particles 330b can include multiple light-converting particles with different shell shapes.

[0055] At the same time, in such Figure 3 When the cationic dispersant shown is disposed and bound to the light conversion particles 30b, the light conversion particles 330b will not move immediately when a voltage is applied to the first electrode 210 and the second electrode 220, and the light conversion particles 330b can move while the binding layer is being removed.

[0056] Accordingly, when a voltage is applied to the first electrode 210 and the second electrode 220, the moving speed of the light-converting particles 30b may decrease.

[0057] At the same time, refer to Figure 4 When the nonionic dispersant 12 is disposed in the dispersion 330a, the nonionic dispersant can have various polarities and be disposed accordingly. That is, the nonionic dispersant 12 can be disposed with different polarities depending on whether it has polarity or not. In detail, the nonionic dispersant 12 may include a first dispersant 12a, a second dispersant 12b, a third dispersant 12c, and a fourth dispersant 12d.

[0058] The first dispersant 12a can be defined as a non-polar dispersant. That is, the first dispersant 12a can be defined as a non-polar dispersant that is neither positively nor negatively charged. In other words, the first dispersant 12a can be a non-ionic dispersant that has not been modified by another material.

[0059] The second dispersant 12b can be defined as a non-polar dispersant. Furthermore, the second dispersant 12b can be defined as a dispersant having a particle shape. That is, the second dispersant 12b can have a micelle shape formed by the aggregation of the first dispersant 12a.

[0060] The third dispersant 12c can be defined as a polar dispersant. More specifically, the third dispersant 12c can be defined as a polar dispersant having a positive or negative charge. For example, the third dispersant 12c can be defined as a dispersant having a polarity opposite to that of the light-converting particles 330b.

[0061] For example, the third dispersant 12c can be defined as a polar particle that has a positive charge after the first dispersant 12a loses an electron due to the light conversion particle 330b.

[0062] Furthermore, the fourth dispersant 12d can be defined as a polar dispersant. Specifically, the fourth dispersant 12d can be defined as a polar dispersant having a positive or negative charge. For example, the fourth dispersant 12d can be defined as a dispersant having a polarity opposite to that of the light-converting particles.

[0063] For example, the fourth dispersant 12d can be defined as a dispersant with a particle shape formed by combining a third dispersant with a second dispersant 12b, in which the first dispersant 12a loses electrons and becomes a positively charged polar particle due to the loss of electrons by the light-converting particles 330b. That is, the fourth dispersant 12d can have a positively charged micelle shape formed by the aggregation of the first dispersant 12a.

[0064] The first dispersant 12a, the second dispersant 12b, the third dispersant 12c, and the fourth dispersant 12d can be disposed in the dispersion 330a between the light conversion particles 330b to prevent the aggregation of the light conversion particles 330b.

[0065] The nonionic dispersant 12 does not bind to the light-converting particles 330b in the dispersion 330a. That is, since the nonionic dispersant 12 has no charge, it loses electrons through the light-converting particles 330b and becomes positively charged, but does not bind to the light-converting particles 330b.

[0066] Accordingly, with Figure 3 With different structures, when voltage is applied to the first electrode 210 and the second electrode 220, the light conversion particles 330b can move directly, thus increasing the moving speed of the light conversion particles.

[0067] In other words, the light conversion material of the light path control component according to the embodiment may include a nonionic dispersant.

[0068] Accordingly, since the aggregation of light-converting particles is prevented in the dispersion and the movement of light-converting particles is not disturbed, the lifespan and driving characteristics of the optical path control component can be improved.

[0069] In addition, dispersants can have low HLB (hydrophilic-lipophilic balance). HLB is a relative value of the hydrophilic-lipophilic balance state; the closer it is to 0, the closer it is to lipophilic, and the larger the value, the closer it is to hydrophilic.

[0070] Considering the lipophilicity of dispersions, dispersants can have low HLB values. Specifically, dispersants can have HLB values ​​from 0 to 6. When the HLB value of a dispersant exceeds 6, layer separation between the dispersant and the dispersion may occur due to the hydrophilicity of the dispersant.

[0071] On the other hand, as mentioned above, in the case of nonionic dispersants, some of the dispersants in the dispersion can be changed to polar dispersants with positive charges.

[0072] Since the polar dispersant has a polarity different from that of the light-converting particles, the driving speed of the light-converting particles can be reduced by decreasing the negative charge characteristics of the light-converting particles.

[0073] Therefore, the above problem can be solved by changing the polarity of the partition wall portion 310 and the base portion 350.

[0074] The partition wall portion 310 and the base portion 350 may include a resin composition comprising oligomers, monomers, photoinitiators, and additives. The resin composition comprises oligomers, monomers, photoinitiators, and additives prior to curing, and the resin composition can be cured by ultraviolet light while forming a cross-linked network through the reaction of the polymer, monomers, and photoinitiator.

[0075] The resin composition may include a polyurethane acrylate polymer. For example, the oligomer may include acrylic polyurethane.

[0076] Furthermore, known photoinitiators for UV curing can be used as photoinitiators. Additionally, additives may include materials for improving the release properties or electrical properties of the resin composition. For example, additives may include various materials comprising release additives and antistatic agents.

[0077] Monomers may include multiple bonded groups. More specifically, monomers may include various bonded groups to impart polarity to the resin composition.

[0078] In detail, the monomer may include a first bonding group and a second bonding group. The first bonding group may have greater polarity than the second bonding group. Specifically, the electronegativity of the first bonding group may be greater than that of the second bonding group.

[0079] The first bonding group can be defined as a bonding group having an electronegativity of 0.3 to 2. The second bonding group can be defined as a bonding group having an electronegativity of 0 to less than 0.3.

[0080] The monomer may include a first bonding group. For example, the monomer may include a monomer containing at least one bonding group selected from CO, CS, CN, OH, NH, C-Cl, C-Br, CI, and Si-O-Si.

[0081] Furthermore, the monomer may further include a second bonding group. Specifically, the monomer may further include at least one nonpolar bonding group selected from CC, C=O, and CH.

[0082] The first bonding group may be more than the second bonding group. For example, the monomer may include monomers such as dipentaerythritol pentaacrylate and diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide, but this embodiment is not limited thereto.

[0083] Accordingly, the resin composition comprising monomers can be polar. That is, the resin composition can have a negative charge. Specifically, the contact angle θ between the resin composition comprising monomers and water can be 60° or less. More specifically, the contact angle θ between the resin composition comprising monomers and water can be from 10° to 60°.

[0084] In other words, since the resin composition includes a highly polar monomer, the resin composition including the monomer can also be polar.

[0085] Accordingly, at least one of the partition wall portion 310 and the base portion 350 of the light conversion unit formed of the resin composition may also be polarized.

[0086] In detail, at least one of the partition wall portion 310 and the base portion 350 may have a polarity opposite to that of the third dispersant 12c and the fourth dispersant 12d. That is, at least one of the partition wall portion 310 and the base portion 350 may have the same polarity as that of the light conversion particle 330b.

[0087] That is, the partition wall portion 310, the base portion 350 and the light conversion particle 330b may include negative charges, and the third dispersant 13 and the fourth dispersant 14 may include positive charges.

[0088] Accordingly, the polar dispersant in the dispersion liquid 330a dispersed in the containment portion 320 can move toward at least one of the partition wall portion 310 and the base portion 350.

[0089] In other words, reference Figure 5 It can be seen that the partition wall portion 310 and the base portion 350 have a greater... Figure 4 Greater negative charge properties.

[0090] Accordingly, since the partition wall portion 310 and the base portion 350 are electrophilic, they can bind with positive charges, and in the dispersant dispersed in the dispersion liquid 330a, the third dispersant 12c and the fourth dispersant 12d, which have positive charges, can move toward at least one of the partition wall portion 310 and the base portion 350, thereby allowing the third dispersant 12c and the fourth dispersant 12d to bind with the negative charges of the partition wall portion 310 and the base portion 350.

[0091] Accordingly, it is possible to prevent the decrease in polarity of light-converting particles due to the presence of a polar dispersant in the dispersion 330a, and to prevent interference with the movement of light-converting particles.

[0092] The optical path control components, including the aforementioned optical conversion unit, will now be described in detail.

[0093] The partition wall portion 310 can be defined as a barrier region that divides the receiving portions. That is, the partition wall portion 310 is a partition wall region that divides multiple receiving portions and can transmit light. In other words, light emitted in the direction of the first substrate 110 or the second substrate 120 can pass through the partition wall portion.

[0094] The receiving portion 320 can be formed to partially transmit light conversion unit 300. Therefore, the receiving portion 320 can contact the adhesive layer 410 and be spaced apart from the buffer layer 420. Correspondingly, the base portion 350 can be formed between the receiving portion 320 and the buffer layer 420.

[0095] The base portion 350 may be disposed on the partition wall portion 310. In detail, the base portion 350 may be configured to contact the second electrode 220, and the partition wall portion 310 may be disposed at the lower part of the base portion 350.

[0096] The thickness of the base portion 350 and the thickness of the partition wall portion 310 can be different from each other. In detail, the thickness of the base portion 350 can be less than the thickness of the partition wall portion 310.

[0097] For example, the thickness of the base portion 350 can be 10 μm or less. More specifically, the thickness of the base portion 350 can be from 1 μm to 10 μm. More specifically, the thickness of the base portion 350 can be from 3 μm to 8 μm. More specifically, the thickness of the base portion 350 can be from 5 μm to 7 μm.

[0098] When the thickness of the base portion 350 exceeds 10 μm, the distance between the second electrode 220 and the receiving portion 320 can be increased. That is, the distance between the receiving portion 320, which includes the light conversion material, and the second electrode 220 can be increased. Accordingly, the movement characteristics of the charge moving from the second electrode 220 to the receiving portion 320, which includes the light conversion material, are reduced due to the high resistance of the base portion 350, and therefore the driving characteristics of the optical path control member may be reduced.

[0099] Furthermore, since it is difficult to achieve a thickness of less than 1 μm for the base portion 350 in the embossing process, the process efficiency may be reduced.

[0100] The partition wall portion 310 and the receiving portion 320 can be provided simultaneously extending along the second direction 2A of the first substrate 110 and the second substrate 120. That is, the partition wall portion 310 and the receiving portion 320 can extend along the width direction or the length direction of the first substrate 110 and the second substrate 120.

[0101] The partition wall portion 310 and the receiving portion 320 can be configured to have different widths. For example, the width of the partition wall portion 310 can be greater than the width of the receiving portion 320.

[0102] Furthermore, the receiving portion 320 can be formed into a shape that narrows in width as it extends from the first electrode 210 to the second electrode 220.

[0103] The partition wall portion 310 and the receiving portion 320 can be arranged alternately. In more detail, the partition wall portion 310 and the receiving portion 320 can be arranged alternately. That is, each partition wall portion 310 can be arranged between adjacent receiving portions 320, and each receiving portion 320 can be arranged between adjacent partition wall portions 310.

[0104] Furthermore, the plurality of partition wall portions 310 can be formed to have a uniform thickness. Specifically, the thickness deviation of the plurality of partition wall portions 310 can be 10% or less. More specifically, the thickness deviation of the plurality of partition wall portions 310 can be 5% to 10%. More specifically, the thickness deviation of the plurality of partition wall portions 310 can be 7% to 9%.

[0105] When the thickness deviation of multiple partition walls 310 exceeds 10%, the cross-sectional area of ​​the accommodating parts between the partition walls will differ. When the light conversion material is filled in the accommodating parts, the filling characteristics of the light conversion material in multiple accommodating parts may be different due to the difference in cross-sectional area. Therefore, deviation of the light conversion material may occur, and the optical characteristics of the optical path control component may be reduced.

[0106] Furthermore, the plurality of partition wall portions 310 can be formed to have a uniform width. Specifically, the width deviation of the plurality of partition wall portions 310 can be 10% or less. More specifically, the width deviation of the plurality of partition wall portions 310 can be 3% to 10%. More specifically, the width deviation of the plurality of partition wall portions 310 can be 5% to 8%.

[0107] When the width deviation of multiple partition walls 310 exceeds 10%, the cross-sectional area of ​​the receiving portion between the partition walls differs. When the light conversion material is filled in the receiving portion, the filling characteristics of the light conversion material in multiple receiving portions may be different due to the difference in cross-sectional area. Therefore, deviation of the light conversion material may occur, and the optical characteristics of the optical path control component may be reduced.

[0108] A light conversion material 330, including light conversion particles 330b, and a dispersion 330a in which the light conversion particles 330b are dispersed, can be disposed in the receiving portion 320. Furthermore, the light conversion material may include the dispersant described above. That is, the light conversion material may include a nonionic dispersant having an HLB value of 0 to 6.

[0109] Dispersion 330a may be a material that disperses light-converting particles 330b. Dispersion 330a may include a transparent material. Dispersion 330a may include a non-polar solvent. Furthermore, dispersion 330a may include a material capable of transmitting light.

[0110] The light-converting particles 330b can be dispersed in the dispersion 330a. More specifically, multiple light-converting particles 330b can be spaced apart from each other in the dispersion 330a.

[0111] The light-converting particle 330b may include a material capable of absorbing light. That is, the light-converting particle 330b may be a light-absorbing particle. The light-converting particle 330b may have a color. For example, the light-converting particle 330b may be a black-based color. For example, the light-converting particle 330b may include carbon black particles.

[0112] The surface of the light-converting particle 330b can be charged and can be polarized. For example, the surface of the light-converting particle 330b can be negatively charged. Accordingly, the light-converting particle 330b can be moved toward the first electrode 210 or the second electrode 220 by applying a voltage.

[0113] The light transmittance of the container 320 can be changed by the light conversion particles 330b. Specifically, by changing the light transmittance by the light conversion particles 330b, the container 320 can be transformed into both a light-blocking portion and a light-transmitting portion. In other words, the light transmittance of light passing through the container 320 can be changed by the dispersion and aggregation of the light conversion particles 330b disposed in the dispersion liquid 330a.

[0114] For example, the mode of the optical path component according to the first embodiment can be changed from a first mode to a second mode or from a second mode to a first mode by applying a voltage to the first electrode 210 and the second electrode 220.

[0115] In detail, in the optical path control component according to the embodiment, the receiving portion 320 becomes a light-shielding portion in the first mode, and light at a specific angle can be blocked by the receiving portion 320. That is, the user's viewing angle from the outside is narrowed, thereby enabling the optical path control component to be driven in a privacy mode.

[0116] Furthermore, in the optical path control member according to the embodiment, the receiving portion 320 becomes a light-transmitting portion in the second mode, and light can pass through both the partition wall portion 310 and the receiving portion 320. That is, the user's viewing angle from the outside is expanded, thereby allowing the optical path control member to be driven in an open mode.

[0117] The transition from the first mode to the second mode, that is, the transition of the receiving portion 320 from a light-blocking portion to a light-transmitting portion, can be achieved by the movement of the light-converting particles 330b in the receiving portion 320. In other words, the surface of the light-converting particles 330b has an electric charge, and when a voltage is applied, the light-converting particles 330b can move towards the first electrode or the second electrode according to the characteristics of the charge. In other words, the light-converting particles 330b can be electrophoretic particles.

[0118] For example, when no voltage is applied to the optical path control member from the outside, the light conversion particles 330b of the receiving portion 320 are uniformly dispersed in the dispersion liquid 330a, so the receiving portion 320 can block light through the light conversion particles 330b. Accordingly, in the first mode, the receiving portion 320 can be driven as a light-shielding portion.

[0119] Furthermore, when a voltage is applied to the optical path control member from the outside, the light conversion particle 330b can move. For example, the light conversion particle 330b can move towards one end or the other end of the receiving portion 320 by the voltage transmitted by the first electrode 210 and the second electrode 220. That is, the light conversion particle 330b can move toward the first electrode 210 or the second electrode 220.

[0120] For example, when a voltage is applied to the first electrode 210 and / or the second electrode 220, an electric field is formed between the first electrode 210 and the second electrode 220, and the negatively charged light-converting particles 330b can move towards the positive electrode direction in the electrodes 210 and 220 using the dispersion liquid 330a as a medium.

[0121] For example, refer to Figure 1In the initial mode or when no voltage is applied to the first electrode 210 and / or the second electrode 220, the light conversion particles 330b can be uniformly dispersed in the dispersion liquid 330a, and the containment portion 320 can be driven as a light-shielding portion.

[0122] In addition, refer to Figure 2 When a voltage is applied to the first electrode 210 and / or the second electrode 220, the light-converting particles 330b can move in the dispersion 330a toward the second electrode 220. That is, the light-converting particles 330b can move in one direction, and the receiving portion 320 can be driven to become a light-transmitting portion.

[0123] Therefore, the optical path control component according to the embodiment can be driven in two modes depending on the user's surrounding environment. That is, when the user only requires light transmission at a specific viewing angle, the receiving part is driven as a light-blocking part, or in an environment where the user requires high brightness, a voltage can be applied to drive the receiving part as a light-transmitting part.

[0124] Therefore, since the optical path control component according to the embodiment can be implemented in two modes according to the user's requirements, the optical path control component can be applied regardless of the user's environment.

[0125] According to the embodiment, the optical path control component can improve the driving speed and driving characteristics of the optical path control component by increasing the moving speed of the light conversion particles.

[0126] In other words, since the dispersant included in the light conversion material is a nonpolar nonionic dispersant, it can prevent the light conversion particles and the dispersant from binding together in the dispersion to form a binding layer.

[0127] Accordingly, when a voltage is applied to the optical path control component, the driving speed of the optical path control component can be increased because the light conversion particles can move directly without removing the bonding layer.

[0128] Furthermore, the driving characteristics of the optical path control component can be improved by enhancing the negative charge characteristics of the partition wall and / or base.

[0129] In other words, since the resin composition forming the partition wall and / or base portion includes monomers having highly electronegative bonding groups, the partition wall and / or base portion can include multiple negative charges, thus increasing the polarity of the partition wall and / or base portion.

[0130] Accordingly, by moving the positively charged dispersant within the light conversion material toward the partition wall and / or the base portion, the movement of the light conversion particles can be facilitated. Furthermore, since the reduction in the magnitude of the negative charge of the light conversion particles due to the combination of the positively charged dispersant and the light conversion particles can be prevented, the movement speed of the light conversion particles can be increased.

[0131] Accordingly, the optical path control component according to the embodiment can have improved drive speed and drive characteristics.

[0132] The present invention will now be described in more detail with reference to the polarity of the partition wall portion and the base portion formed according to the resin composition of the light conversion unit forming the light path control member, based on embodiments and comparative examples. These embodiments are presented merely as examples to explain the present invention in more detail. Therefore, the present invention is not limited to these embodiments.

[0133] Example

[0134] A resin composition is formed by mixing oligomers including polyurethane acrylate, monomers, photoinitiators, and antistatic agents.

[0135] In this case, the monomer comprises a first bonding group with an electronegativity of 0.3 to 2 and a second bonding group with an electronegativity of 0 to less than 0.3, and the number of the first bonding groups is greater than the number of the second bonding groups.

[0136] Subsequently, after preparing a mold component including an intaglio portion and an embossing portion, a resin composition is filled into the intaglio portion of the mold component.

[0137] Subsequently, after forming a first electrode including indium tin oxide on a first substrate including polyethylene terephthalate, the first electrode and the mold component are combined.

[0138] Subsequently, after the mold components and resin composition are separated, a base portion, a partition wall portion with an imprinted shape, and a receiving portion with a recessed shape are formed on the substrate, and the receiving portion is filled with light conversion material to form a light conversion unit.

[0139] At this point, the light conversion material includes a nonionic dispersant.

[0140] Subsequently, after forming a second electrode comprising indium tin oxide on the lower part of a second substrate comprising polyethylene terephthalate, an optical path control component is formed by adhering the second electrode to the optical conversion unit.

[0141] Subsequently, after applying voltage to the optical path control component, the transmittance of the optical path control component was measured.

[0142] Comparative Example 1

[0143] Except for the light conversion material, which includes anionic dispersants, the optical path control components are formed in the same manner as in Example 1.

[0144] Subsequently, after applying voltage to the optical path control component, the transmittance of the optical path control component was measured.

[0145] Comparative Example 2

[0146] Except for the light conversion material, which includes a cationic dispersant, the light path control component is formed in the same manner as in Example 1.

[0147] Subsequently, after applying voltage to the optical path control component, the transmittance of the optical path control component was measured.

[0148] Figure 6 This is a graph showing the transmittance of the optical path control component according to the embodiments and comparative examples.

[0149] refer to Figure 6 It can be seen that the optical path control component according to the embodiment has improved light transmittance than the optical path control component according to the comparative example.

[0150] Furthermore, it can be seen that the optical path control component according to the embodiment achieves the same transmittance in a shorter time than the optical path control component according to the comparative example. In other words, it can be seen that the optical path control component according to the embodiment has a higher driving speed than the optical path control component according to the comparative example.

[0151] In other words, since the optical path control component according to the embodiment includes a light conversion material containing a nonionic dispersant, it can facilitate the movement of light conversion particles, and since the positively charged dispersant moves in the direction of the partition wall or the base, the movement interference of the light conversion particles can be minimized, thereby the optical path control component according to this embodiment can have improved driving characteristics.

[0152] Below, we will refer to Figures 7 to 10 Describes an optical path control component according to another embodiment.

[0153] refer to Figure 7 After preparing the mold component 10, which includes the gravure portion E1 and the embossing portion E2, a resin composition 20 may be filled into the gravure portion E1 of the mold component 10. The resin composition 20 may include a polyurethane resin composition.

[0154] Since the resin composition 20 is filled in the gravure portion E1 of the mold component 10, the resin composition 20 can be disposed on the upper part of the gravure portion E1 and the embossing portion E2 while filling the gravure portion E1.

[0155] Subsequently, reference Figure 8The mold component 10 filled with resin composition 20 and the substrate 30 provided with light conversion unit can be bonded together. That is, the mold component 10 and the substrate 30 can be bonded together by the resin composition 20 disposed on the mold component 10.

[0156] Subsequently, reference Figure 9 The mold component 10 is released, so that the light conversion unit 300, which includes a resin composition and includes a partition wall portion 310 and a receiving portion 320, can be formed on the substrate 30.

[0157] That is, the light conversion unit 300 is formed on the substrate 30 by detaching the mold member 10, and the light conversion unit 300 may include a partition wall portion 310, a receiving portion 320 and a base portion 350.

[0158] When the adhesive properties of the resin composition 20 decrease, the resin composition 20 and the substrate 30 may completely or partially detach or lift up, and thus the reliability and optical properties of the optical path control component may decrease.

[0159] The resin composition may include various additives. For example, an antistatic agent may be included to improve the electrical properties of the resin composition. The antistatic agent can facilitate the movement of charges toward the receiving portion by forming charge movement paths in the partition wall and base portions.

[0160] However, the problem is that when the antistatic agent descends in the substrate direction, the adhesion between the resin composition and the substrate decreases.

[0161] Accordingly, the optical path control component according to the embodiment solves the above-mentioned problems by controlling the properties of the material forming the optical conversion unit.

[0162] The light conversion unit according to an embodiment may include a resin composition. The resin composition may include oligomers, monomers, and a photoinitiator. Alternatively, the resin composition may include oligomers, monomers, a photoinitiator, and additives. The resin composition may constitute the light conversion unit through a reaction between a prepolymer in polymer form, a multifunctional monomer as a diluent, and a photoinitiator.

[0163] That is, reference Figure 10 The resin composition includes oligomers, monomers, photoinitiators and additives before curing, and the resin composition can be cured by ultraviolet light while forming a cross-linked network through the reaction of polymers, monomers and photoinitiators.

[0164] The resin composition may include a polyurethane acrylate polymer. For example, the oligomer may include acrylic polyurethane.

[0165] The oligomer may include oligomers having π bonds. The oligomer may include oligomers containing aromatic rings. For example, the oligomer may include oligomers containing benzene rings. More specifically, the oligomer may include oligomers having at least two benzene rings.

[0166] For example, the oligomer may include oligomers such as amine-modified polyether acrylates and aliphatic polyurethane acrylates.

[0167] The π bond has the following structure, in which electrons are distributed below and above the axis between the nuclei, which can facilitate the movement of charges.

[0168] Accordingly, the resin composition may not include any separate additives that facilitate charge transfer. That is, the resin composition does not include additives such as antistatic agents. Therefore, it is possible to prevent the light conversion unit formed by the resin composition from detaching or rising due to the antistatic agent.

[0169] Furthermore, since oligomers are crosslinked through monomers and photoinitiators, oligomer precipitation may not occur.

[0170] Therefore, the optical path control component according to the embodiments, which includes a light conversion unit formed of a resin composition, can have improved reliability and optical properties.

[0171] The oligomer may include oligomers with different bonds. More specifically, the oligomer may include a first oligomer and a second oligomer with different bonds.

[0172] For example, the oligomer may include a first oligomer having π bonds and a second oligomer having σ bonds. More specifically, the oligomer may include a first oligomer containing an aromatic ring and a second oligomer not containing an aromatic ring. More specifically, the oligomer may include a first oligomer containing a benzene ring and a second oligomer not containing a benzene ring.

[0173] The second oligomer with σ bonds can have a structure in which the electron density is concentrated between the nuclei along a linear axis between the nuclei.

[0174] For example, the second oligomer may include oligomers such as aromatic polyurethane acrylates and epoxy acrylates.

[0175] As described above, the first oligomer can be used to facilitate the movement of charge in the light conversion unit formed from the resin composition.

[0176] The second oligomer can be used to improve the transmittance of the light conversion unit formed from the resin composition.

[0177] The contents of the first oligomer and the second oligomer can be the same or different weight percentages of each other.

[0178] Specifically, based on the total weight of the oligomers, the content of the first oligomer can be from 20 wt% to 99 wt%. Furthermore, based on the total weight of the oligomers, the content of the second oligomer can be from 1 wt% to 80 wt%.

[0179] When the content of the first oligomer based on the total weight of oligomers is less than 20 wt%, the charge transfer characteristics of the light conversion unit may decrease. Additionally, when the content of the first oligomer based on the total weight of oligomers exceeds 99 wt%, the light transmittance of the light conversion unit may decrease.

[0180] When the first oligomer and the second oligomer meet the above range, since no antistatic agent is required in the optical path control component formed from the resin composition including the oligomer, the brightness of the optical path control component in open mode can be improved.

[0181] Alternatively, the content of the first oligomer may be from 1 wt% to 20 wt% based on the total weight of the oligomers. Furthermore, the content of the second oligomer may be from 80 wt% to 99 wt% based on the total weight of the oligomers.

[0182] Accordingly, when the first oligomer and the second oligomer satisfy the above-mentioned range, the light-blocking rate of the light path control member formed by the resin composition including the oligomer in privacy mode can be improved.

[0183] As photoinitiators, known photoinitiators for UV curing can be used. Furthermore, additives may include materials for improving the release properties or electrical properties of the resin composition. For example, the additive may include various materials comprising release additives and antistatic agents.

[0184] Additionally, the monomer may include at least one monomer. More specifically, the monomer may include a single monomer or multiple monomers. Mixing monomers can alter the viscosity of the resin composition and improve the separation properties of the resin composition from the substrate.

[0185] The resin composition may include oligomers, monomers, photoinitiators, and additives in different weight percent.

[0186] In detail, the oligomer content can be from 40 wt% to 60 wt% based on the total weight of the resin composition.

[0187] Furthermore, the monomer content can be from 30 wt% to 40 wt% based on the total weight of the resin composition.

[0188] Furthermore, the content of photoinitiator can be from 0.1 wt% to 5 wt% based on the total weight of the resin composition.

[0189] The present invention will now be described in more detail with reference to the light transmittance of the oligomers of the resin compositions forming the light conversion units of the light path control components, according to embodiments and comparative examples. These embodiments are merely examples to explain the invention in more detail. Therefore, the invention is not limited to these embodiments.

[0190] Example 1

[0191] A resin composition is formed by mixing oligomers, monomers, and photoinitiators, including polyurethane acrylates.

[0192] At this point, the oligomer includes at least one π bond.

[0193] Subsequently, after preparing a mold component including an intaglio portion and an embossing portion, a resin composition is filled into the intaglio portion of the mold component.

[0194] Subsequently, after forming a first electrode including indium tin oxide on a first substrate including polyethylene terephthalate, the first electrode and the mold component are combined.

[0195] Subsequently, after the mold components and resin composition are separated, a base portion, a partition wall portion with an embossed shape, and a receiving portion with an intaglio shape are formed on the substrate, and light conversion material is filled in the receiving portion to form a light conversion unit.

[0196] Subsequently, after forming a second electrode comprising indium tin oxide on the lower part of a second substrate comprising polyethylene terephthalate, an optical path control component is formed by adhering the second electrode to the optical conversion unit.

[0197] Subsequently, light is transmitted from the first substrate to the second substrate, and the light transmittance at a 45° angle to the left and right is measured according to the applied voltage.

[0198] Example 2

[0199] Except for comprising 80% oligomers with π bonds and 20% oligomers with σ bonds, the optical path control component is formed in the same manner as in Example 1.

[0200] Subsequently, light is transmitted from the first substrate to the second substrate, and the light transmittance at a 45° angle to the left and right is measured according to the applied voltage.

[0201] Example 3

[0202] Except for comprising 20% ​​oligomers with π bonds and 80% oligomers with σ bonds, the optical path control component is formed in the same manner as in Example 1.

[0203] Subsequently, light is transmitted from the first substrate to the second substrate, and the light transmittance at a 45° angle to the left and right is measured according to the applied voltage.

[0204] Comparative Example 3

[0205] Except that the oligomer includes σ bonds but not π bonds, the optical path control component is formed in the same manner as in Example 1.

[0206] Subsequently, light is transmitted from the first substrate to the second substrate, and the light transmittance at a 45° angle to the left and right is measured according to the applied voltage.

[0207] [Table 1]

[0208] Light transmittance (%) under undriven conditions Light transmittance (%) after applying voltage Example 1 6～9 40～43 Comparative Example 3 2～3 10～21

[0209] [Table 2]

[0210] Light transmittance (%) under undriven conditions Light transmittance (%) after applying voltage Example 1 6～9 40～43 Example 2 5～6 38～40 Example 3 4～5 35～38

[0211] [Table 3]

[0212] σ-bond oligomers π-bonded oligomers Light transmittance (%) after applying voltage 0 100% by weight 200％ 20% by weight 80% by weight 190％ 80% by weight 20% by weight 179％ 100% by weight 0 100％

[0213] Referring to Table 1, it can be seen that the light transmittance of the optical path control component according to Embodiment 1 increases when a voltage is applied. That is, it can be seen that the light transmittance increases when the optical path control component is driven in open mode by applying a voltage.

[0214] Therefore, it can be seen that the optical path control component according to Example 1 can improve the driving characteristics and brightness of the optical path control component by promoting the movement of charges through the oligomers of the resin composition without the use of separate additives.

[0215] Furthermore, referring to Table 2, it can be seen that the light transmittance of the light path control components according to Embodiments 2 and 3 decreases in the undriven state without applied voltage.

[0216] Correspondingly, it can be seen that the light-blocking effect can be improved by reducing the light transmittance of the optical path control component in privacy mode.

[0217] Furthermore, referring to Table 3, since the optical path control component according to the embodiment includes oligomers having π bonds, the transmittance of the optical path control component is relatively improved compared to a resin composition containing only oligomers having σ bonds.

[0218] Below, for reference Figures 11 to 15 This section describes a display device that applies an optical path control component according to an embodiment.

[0219] In the following text, refer to Figure 11 and Figure 12 According to the embodiment, the optical path control component 1000 can be disposed above or below the display panel 2000.

[0220] The display panel 2000 and the optical path control component 1000 can be configured to adhere to each other. For example, the display panel 2000 and the optical path control component 1000 can be adhered to each other via an adhesive layer 1500. The adhesive layer 1500 can be transparent. For example, the adhesive layer 1500 can include an adhesive or adhesive layer containing an optically transparent adhesive material.

[0221] The adhesive layer 1500 may include a release film. Specifically, when the optical path control component and the display panel are adhered, the optical path control component and the display panel can be adhered after the release film has been removed.

[0222] The display panel 2000 may include a first substrate 2100 and a second substrate 2200. When the display panel 2000 is a liquid crystal display panel, the light path control member may be formed on the lower part of the liquid crystal panel. That is, when the surface observed by the user in the liquid crystal panel is defined as the upper part of the liquid crystal panel, the light path control member may be disposed on the lower part of the liquid crystal panel. The display panel 2000 may be formed in a structure in which the first substrate 2100, including thin-film transistors (TFTs) and pixel electrodes, and the second substrate 2200, including a color filter layer, are bonded together by a liquid crystal layer interposed between them.

[0223] Furthermore, the display panel 2000 can be a liquid crystal display panel with a color filter on transistor (COT) structure, wherein thin-film transistors, color filters, and a black electrolyte are formed on a first' substrate 2100, and a second' substrate 2200 is bonded to the first' substrate 2100 with a liquid crystal layer interposed between the first' substrate 2100 and the second' substrate 2200. That is, thin-film transistors can be formed on the first' substrate 2100, a protective film can be formed on the thin-film transistors, and a color filter layer can be formed on the protective film. Additionally, pixel electrodes that contact the thin-film transistors can be formed on the first' substrate 2100. In this respect, to improve the aperture ratio and simplify the mask process, the black electrolyte can be omitted, and a common electrode can be formed, functioning as the black electrolyte.

[0224] Furthermore, when the display panel 2000 is a liquid crystal display panel, the display device may further include a backlight unit 3000 that provides light from the back of the display panel 2000.

[0225] In other words, such as Figure 11 As shown, the light path control component can be disposed on the lower part of the liquid crystal panel and on the backlight unit 3000, and the light path control component can be disposed between the backlight unit 3000 and the display panel 2000.

[0226] Alternatively, such as Figure 12As shown, when the display panel 2000 is an organic light-emitting diode (OLED) panel, a light path control component can be formed on the OLED panel. That is, when the surface observed by the user in the OLED panel is defined as the upper part of the OLED panel, the light path control component can be disposed on the OLED panel. The display panel 2000 may include self-emissive elements that do not require a separate light source. In the display panel 2000, thin-film transistors can be formed on the first substrate 2100, and organic light-emitting elements in contact with the thin-film transistors can be formed. The organic light-emitting element may include an anode, a cathode, and an organic light-emitting layer formed between the anode and the cathode. Furthermore, the organic light-emitting element may further include a second substrate 2200 configured to function as a packaging substrate for encapsulation.

[0227] Furthermore, although not shown in the accompanying drawings, a polarizing plate may be further disposed between the optical path control member 1000 and the display panel 2000. The polarizing plate may be a linear polarizing plate or a polarizing plate that prevents external light reflection. For example, when the display panel 2000 is a liquid crystal display panel, the polarizing plate may be a linear polarizing plate. Alternatively, when the display panel 2000 is an organic light-emitting diode panel, the polarizing plate may be a polarizing plate that prevents external light reflection.

[0228] Furthermore, additional functional layers 1300, such as anti-reflective layers and anti-glare layers, can be further provided on the optical path control member 1000. Specifically, the functional layer 1300 can be adhered to one surface of the first substrate 110 of the optical path control member. Although not shown in the figures, the functional layer 1300 can be adhered to the first substrate 110 of the optical path control member via an adhesive layer. Furthermore, a release film for protecting the functional layer can be further provided on the functional layer 1300.

[0229] In addition, a touch panel can be further installed between the display panel and the optical path control components.

[0230] The accompanying drawings show that the light path control component is disposed on the upper part of the display panel, but the embodiment is not limited to this, and the light path control component can be disposed in various positions, such as an adjustable position, i.e., the lower part of the display panel, or between the second substrate and the first substrate of the display panel, etc.

[0231] Furthermore, the accompanying drawings show that the light conversion unit of the light path control member according to the embodiment is in a direction parallel or perpendicular to the outer surface of the second substrate, but the light conversion unit is formed to be tilted at a predetermined angle from the outer surface of the second substrate. This reduces moiré patterns occurring between the display panel and the light path control member.

[0232] Reference Figures 13 to 15 The optical path control component according to the embodiment can be applied to various display devices.

[0233] Reference Figures 13 to 15 The optical path control component according to the embodiment can be applied to a display device for a display.

[0234] For example, such as Figure 13 As shown, when power is applied to the light path control component, the receiving portion functions as a light-transmitting portion, allowing the display device to be driven in an open mode, and as... Figure 14 As shown, when no power is applied to the light path control component, the housing acts as a light-shielding part, allowing the display device to be driven in a light-shielding mode.

[0235] Therefore, users can easily drive the display device in either privacy or normal mode depending on the amount of power applied.

[0236] Light emitted from the backlight unit or the self-emissive element can move from the first substrate toward the second substrate. Alternatively, light emitted from the backlight unit or the self-emissive element can also move from the second substrate toward the first substrate.

[0237] In addition, refer to Figure 15 The display device that uses the optical path control component according to the embodiment can also be applied to the interior of a vehicle.

[0238] For example, a display device including the optical path control component according to an embodiment can display video confirmation information of the vehicle and the vehicle's movement route. The display device can be disposed between the driver's seat and the passenger seat of the vehicle.

[0239] Furthermore, the optical path control component according to the embodiment can be applied to a dashboard that displays vehicle speed, engine, alarm signals, etc.

[0240] Furthermore, the optical path control component according to the embodiment can be applied to the front windshield (FG) or the right and left windows of a vehicle.

[0241] The features, structures, effects, etc., described in the above embodiments are included in at least one embodiment of the present invention, but are not limited to only one embodiment. Furthermore, the features, structures, and effects described in the various embodiments can be combined or modified by those skilled in the art for other embodiments. Therefore, it is to be understood that such combinations and modifications are included within the scope of the present invention.

[0242] Furthermore, while the foregoing has primarily described embodiments, these embodiments are merely examples and do not limit the invention. Those skilled in the art will understand that various modifications and applications not mentioned above can be made without departing from the essential characteristics of the embodiments. For example, each component specifically represented in the embodiments may vary. Moreover, it should be understood that differences relating to such modifications and applications are included within the scope of the invention as defined by the appended claims.

Claims

1. An optical path control component, comprising: First substrate; A first electrode is disposed on the first substrate; A second substrate is disposed on the first substrate; The second electrode is disposed below the second substrate; as well as A light conversion unit is disposed between the first electrode and the second electrode. The light conversion unit includes a partition wall, a receiving part, and a base. The container contains a light conversion material comprising a dispersion, light conversion particles, and a dispersant. The dispersant includes a first dispersant, a second dispersant, a third dispersant, and a fourth dispersant. Wherein, the first dispersant and the second dispersant are non-polar dispersants. The third and fourth dispersants are polar dispersants. The second dispersant is formed by aggregating the first dispersant. The third dispersant is formed by the first dispersant losing electrons. The fourth dispersant is formed by combining the second dispersant and the third dispersant.

2. The optical path control member according to claim 1, wherein The second and third dispersants are formed in micelle shape.

3. The optical path control member according to claim 1, wherein The third and fourth dispersants have polarities opposite to those of the light-converting particles.

4. The optical path control member according to claim 1, wherein The first dispersant, the second dispersant, the third dispersant, and the fourth dispersant are disposed between the light-converting particles.

5. The optical path control member according to claim 1, wherein The dispersant has an HLB of 0 to 6.

6. The optical path control member according to claim 1, wherein The partition wall portion and the base portion comprise a resin composition. The resin composition comprises oligomers, monomers, photoinitiators, and additives. The monomer comprises a first bonding group and a second bonding group. Wherein, the electronegativity of the first bonding group is 0.3 to 2. Wherein, the electronegativity of the second bonding group is 0 to 0.

3. The first bonding group has more than the second bonding group.

7. The optical path control member according to claim 6, wherein The contact angle between the resin composition and water is 10° to 60°.

8. The optical path control component according to claim 6, wherein, The monomer contains at least one bonding group selected from CO, CS, CN, OH, NH, C-Cl, C-Br, CI, and Si-O-Si.

9. The optical path control member according to claim 6, wherein The second bonding group comprises at least one nonpolar bonding group selected from CC, C=O, and CH.

10. The optical path control member according to claim 1, wherein At least one of the partition wall portion and the base portion has polarity.

11. The optical path control member according to claim 10, wherein At least one of the partition wall portion and the base portion has a polarity opposite to that of the third dispersant and the fourth dispersant.

12. The optical path control member according to claim 11, wherein The partition wall, the base, and the light-converting particles all contain negative charges. The third and fourth dispersants include positively charged components.

13. The optical path control member according to claim 1, wherein The optical path control component comprises a resin composition. The resin composition comprises oligomers, monomers, and a photoinitiator. The oligomers include oligomers with π bonds.

14. The optical path control member according to claim 13, wherein The oligomer contains at least one aromatic ring.

15. The optical path control member according to claim 13, wherein The oligomer contains at least one benzene ring.

16. The optical path control component according to claim 13, wherein, The oligomer comprises a first oligomer having π bonds and a second oligomer having σ bonds.

17. The optical path control member according to claim 16, wherein Based on the total weight of the oligomers, the content of the first oligomer is from 20 wt% to 99 wt%.

18. A display device, comprising: The panel includes at least one of a display panel and a touch panel; as well as The optical path control component according to claim 1, wherein the optical path control component is disposed above or below the panel.

19. The display device of claim 18, wherein, The panel includes a backlight unit and a liquid crystal display panel. The optical path control component is disposed between the backlight unit and the liquid crystal display panel, and The light emitted from the backlight unit moves from the first substrate toward the second substrate.

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