Stroke segment screen for improving gray scale display practicability

Abstract

The stroke segment screen comprises a lower polaroid, a lower substrate, an upper substrate, an upper polaroid and a cover plate, a segment electrode is arranged on the upper surface of the lower substrate, a common electrode is arranged on the lower surface of the upper substrate, the segment electrode comprises a plurality of first electrode patterns and a plurality of second electrode patterns, and the first electrode patterns and the second electrode patterns are arranged on the upper surface of the lower substrate. Each first electrode pattern and each second electrode pattern are each shaped like a Chinese character'fang ', the sizes of the multiple first electrode patterns and the sizes of the multiple second electrode patterns are arranged in sequence from large to small, the directions of the first electrode patterns and the second electrode patterns are consistent, and the last first electrode pattern wraps the next first electrode pattern; the previous second electrode pattern wraps the next second electrode pattern, each second electrode pattern is sequentially embedded in a gap between every two adjacent first electrode patterns from large to small, and a first ITO is arranged at the notch of each first electrode pattern and electrically connected with the first electrode pattern; and the notch of each second electrode pattern is provided with a second ITO and is electrically connected with the second ITO.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display, and more specifically to a pen segment screen which improves the practicality of grayscale display. Background Art

[0002] Traditional pen segment screens can only realize two display functions: full brightness or full darkness. However, some designs require similar grayscale designs, such as half brightness and full brightness. Some scheme designs will design multiple rows or columns of electrode patterns. When half brightness is required, the electrode pattern can be lit at intervals, and when full brightness is required, the electrode pattern can be fully lit. However, if there is an abnormality in one row or column of this structure, the display of a row or column will be dim. When people watch it, they cannot infer the content to be displayed through the context or font structure, causing the text of the row or column to be unable to display normally, reducing the practicality of the pen segment screen. Utility Model Content

[0003] The technical problem to be solved by the utility model is how to avoid dimming of a row or a column. When viewing, people can infer the content to be displayed through the context or the font structure, so that the text of the row or the column can still be partially displayed normally, thereby improving the practicality of the pen segment screen.

[0004] The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0005] To solve the above technical problems, the utility model provides a pen segment screen for improving the practicality of grayscale display, which includes a lower polarizer, a lower substrate, an upper substrate, an upper polarizer and a cover plate which are stacked in sequence from bottom to top, the upper surface of the lower substrate is provided with a segment electrode, the lower surface of the upper substrate is provided with a common electrode, the segment electrode includes a plurality of first electrode patterns and a plurality of second electrode patterns, each of the first electrode pattern and each of the second electrode patterns are in the shape of a "匚" character, the sizes of the plurality of first electrode patterns and the sizes of the plurality of second electrode patterns are arranged in sequence from large to small and the directions are consistent, the previous first electrode pattern wraps the next first electrode pattern, the previous second electrode pattern wraps the next second electrode pattern, each second electrode pattern is embedded in the gap between two adjacent first electrode patterns in sequence from large to small, a first ITO is provided at the notch of each of the first electrode patterns and is electrically connected to it, and a second ITO is provided at the notch of each of the second electrode patterns and is electrically connected to it.

[0006] As a preferred implementation of the pen segment screen for improving the practicality of grayscale display provided by the utility model, the width of each of the first electrode patterns is the same, and the width of each of the second electrode patterns is the same.

[0007] As a preferred embodiment of the segment screen for improving the practicality of grayscale display provided by the present utility model, the pattern width of the first electrode pattern is the same as that of the second electrode pattern.

[0008] As a preferred embodiment of the segment screen for improving the practicality of grayscale display provided by the present utility model, the pattern width of the first electrode pattern is different from that of the second electrode pattern.

[0009] As a preferred embodiment of the segment screen for improving the practicality of grayscale display provided by the present utility model, the pattern width of the first electrode pattern is greater than that of the second electrode pattern.

[0010] As a preferred embodiment of the segment screen for improving the practicality of grayscale display provided by the present utility model, the lower surface of the cover plate is sequentially stacked with a first white ink layer, a second white ink layer, a third white ink layer, and a fourth black anti-cover ink layer located in the non-visible area from top to bottom. After the first white ink layer, the second white ink layer, the third white ink layer, and the fourth black anti-cover ink layer are stacked, an ink segment difference is formed. A varnish layer is provided on the lower surface of the cover plate, and the varnish layer covers the lower surface of the cover plate located in the visible area, the lower surface of the fourth black anti-cover ink layer, and the ink segment difference.

[0011] As a preferred embodiment of the segment screen for improving the practicality of grayscale display provided by the present utility model, a hollow alignment mark is provided on the first white ink layer, and an avoidance portion corresponding to the hollow alignment mark is provided on the second white ink layer. The third white ink layer fills the hollow alignment mark and the avoidance portion.

[0012] As a preferred embodiment of the segment screen for improving the practicality of grayscale display provided by the present utility model, the size of the avoidance portion is larger than that of the hollow alignment mark.

[0013] As a preferred embodiment of the segment screen for improving the practicality of grayscale display provided by the present utility model, the varnish layer has one or more layers.

[0014] As a preferred embodiment of the segment screen for improving the practicality of grayscale display provided by the present utility model, the outer edge of the second white ink layer exceeds the outer edge of the first white ink layer, and the outer edge of the third white ink layer exceeds the outer edge of the second white ink layer.

[0015] The present utility model has the following beneficial effects:

[0016] Since the shapes of the first electrode pattern and the second electrode pattern are both "匚"-shaped, if one of the electrode patterns is abnormal, the dim shape it displays will also be "匚"-shaped, so that the dimly displayed area is not concentrated in a certain row or column. When viewing, people can infer the content to be displayed through the context or font structure, so that the text in the row or column can still be partially displayed normally, thereby improving the practicality and reliability of the pen segment screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the scheme in the present application, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 A schematic structural diagram of a pen segment screen for improving the practicality of grayscale display provided by the utility model.

[0019] Figure 2 for Figure 1 Bird's-eye view rendering.

[0020] Figure 3 for Figure 1 Schematic diagram of the segment electrode structure at the middle and lower substrates.

[0021] Figure 4 for Figure 1 Schematic diagram of the improved structure at the middle cover.

[0022] Figure 5 for Figure 4 Schematic diagram of the structure of the first white ink layer.

[0023] Figure 6 for Figure 4 Schematic diagram of the structure in which the second white ink layer covers the first white ink layer.

[0024] Description of Figure Numbers:

[0025] Lower polarizer 1; lower substrate 2; upper substrate 3; upper polarizer 4; cover plate 5; segment electrode 21; first electrode pattern 211; second electrode pattern 212; first ITO 213; second ITO 214;

[0026] A first white ink layer 51 ; a second white ink layer 52 ; a third white ink layer 53 ; a fourth black reverse-covering ink layer 54 ; a varnish layer 55 ; a hollow alignment mark 511 ; and a void portion 521 . DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] The utility model provides a pen segment screen for improving the practicality of grayscale display, which comprises a lower polarizer, a lower substrate, an upper substrate, an upper polarizer and a cover plate which are sequentially stacked from bottom to top, the upper surface of the lower substrate is provided with a segment electrode, the lower surface of the upper substrate is provided with a common electrode, the segment electrode comprises a plurality of first electrode patterns and a plurality of second electrode patterns, each of the first electrode pattern and each of the second electrode pattern is in the shape of a "匚" character, the sizes of the plurality of first electrode patterns and the sizes of the plurality of second electrode patterns are sequentially arranged from large to small and the directions are consistent, the previous first electrode pattern wraps the next first electrode pattern, the previous second electrode pattern wraps the next second electrode pattern, each second electrode pattern is sequentially embedded in the gap between two adjacent first electrode patterns from large to small, the notch of each of the first electrode patterns is provided with a first ITO and is electrically connected to it, the notch of each of the second electrode patterns is provided with a second ITO and is electrically connected to it.

[0031] Since the shapes of the first electrode pattern and the second electrode pattern are both "匚"-shaped, if one of the electrode patterns is abnormal, the dim shape it displays will also be "匚"-shaped, so that the dimly displayed area is not concentrated in a certain row or column. When viewing, people can infer the content to be displayed through the context or font structure, so that the text in the row or column can still be partially displayed normally, thereby improving the practicality and reliability of the pen segment screen.

[0032] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention.

[0033] Example 1, please refer to Figures 1 to 3, a pen segment screen for improving the practicality of grayscale display provided by the utility model, comprising a lower polarizer 1, a lower substrate 2, an upper substrate 3, an upper polarizer 4 and a cover plate 5 which are sequentially stacked from bottom to top, a segment electrode 21 is arranged on the upper surface of the lower substrate 2, a common electrode is arranged on the lower surface of the upper substrate 3, the segment electrode 21 comprises a plurality of first electrode patterns 211 and a plurality of second electrode patterns 212, each of the first electrode patterns 211 and each of the second electrode patterns 212 are in the shape of a "匚" character, the sizes of the plurality of first electrode patterns 211 and the sizes of the plurality of second electrode patterns 212 are sequentially arranged from large to small and in the same direction, in this embodiment, the first electrode pattern 211 and the second electrode pattern 212 are arranged toward the right, and the previous first electrode pattern 211 and the second electrode pattern 212 are arranged toward the right. An electrode pattern 211 wraps around a subsequent first electrode pattern 211, i.e., a first electrode pattern 211 with a larger size includes a first electrode pattern 211 with a smaller size, and a previous second electrode pattern 212 wraps around a subsequent second electrode pattern 212, i.e., a second electrode pattern 212 with a larger size includes a second electrode pattern 212 with a smaller size, and each second electrode pattern 212 is sequentially embedded in the gap between two adjacent first electrode patterns 211 from large to small, so that the first electrode pattern 211 and the second electrode pattern 212 are spaced apart, and a first ITO 213 is disposed at the notch of each of the first electrode patterns 211 and is electrically connected thereto, and a second ITO 214 is disposed at the notch of each of the second electrode patterns and is electrically connected thereto. When half lighting is required, the first electrode pattern 211 or the second electrode pattern 212 can be lit; when full lighting is required, the first electrode pattern 211 and the second electrode pattern 212 can be fully lit. Since the shapes of the first electrode pattern 211 and the second electrode pattern 212 are both "匚"-shaped, if one of the electrode patterns is abnormal, its dim shape is also "匚"-shaped, so that the dimly displayed area is not concentrated in a certain row or column. When watching, people can infer the content to be displayed through the context or font structure, so that the text in the row or column can still be partially displayed normally, thereby improving the practicality and reliability of the pen segment screen.

[0034] Further, the width of each first electrode pattern 211 is the same, and the width of each second electrode pattern 212 is the same. The pattern width of the first electrode pattern 211 is the same as the pattern width of the second electrode pattern 212. At this time, when only the first electrode pattern 211 or only the second electrode pattern 212 is lit, the brightness of the two is close. It is also possible that the pattern width of the first electrode pattern 211 is different from the pattern width of the second electrode pattern 212. In this embodiment, the pattern width of the first electrode pattern 211 is greater than the pattern width of the second electrode pattern 212. In this way, when only the first electrode pattern 211 is lit, its brightness is greater than the brightness of only the second electrode pattern 212, so that it can achieve multi-grayscale display.

[0035] Example 2, please refer toFigures 4 to 6 , as a further optimized solution of Embodiment 1, in this embodiment, a first white ink layer 51, a second white ink layer 52, a third white ink layer 53, and a fourth black anti-cover ink layer 54 are sequentially stacked from top to bottom on the lower surface of the cover plate 5 located in the non-visible area. The first white ink layer 51, the second white ink layer 52, the third white ink layer 53, and the fourth black anti-cover ink layer 54 can be formed by screen printing. After screen printing and stacking, an ink step difference is formed. A varnish layer 55 is screen printed on the lower surface of the cover plate 5. The varnish layer 55 can have one or more layers. The varnish layer 55 completely covers the lower surface of the cover plate 5 located in the visible area, covers the lower surface of the fourth black anti-cover ink layer 54, and fills the ink step difference. Since the varnish layer 55 is provided on the lower surface of the cover plate 5, and the cost of the varnish layer 55 is much lower than the cost of the OCA optical adhesive, the overall price of the product is reduced, improving the competitiveness of the product. Moreover, due to the low cost of the varnish layer 55, it can be used in large quantities, so that the varnish layer 55 can cover the lower surface of the cover plate 5 located in the visible area, the lower surface of the fourth black anti-cover ink layer 54, and the ink step difference, that is, the varnish layer 55 can cover the fourth black anti-cover ink layer 54 of the last layer, making the varnish layer 55 the outermost layer. Using the varnish layer 55 as the protection of the last ink layer, and the varnish layer 55 has characteristics such as more wear-resistant, scratch-resistant, high-temperature resistant, and good heat-sealing performance, which can well prevent the problem of edge ink peeling of the cover plate 5 caused by environmental influence, thereby improving the yield of the product to meet the increasing quality requirements of the enterprise.

[0036] Furthermore, when screen-printing multiple layers of traditional white ink on the cover plate 5, a gradient design is usually adopted, that is, the second white ink layer 52 extends a little more outward than the first white ink layer 51, and the third white ink layer 53 extends a little more outward than the second white ink layer 52. As a result, the height of the ink edge near the viewing area has a gradual change, that is, the ink of the lower layer does not completely cover the ink of the upper layer, making the ink edge closer to the viewing area thinner and the light more likely to penetrate through. Although the OCA optical adhesive or the varnish layer 55 can also fill the ink step difference in the viewing area part, the closer the white ink is to the viewing area, the thinner it is, and thus the more transparent it is. As a result, a light-transmitting aperture is formed in the viewing area, which is not suitable for some high-end display products. In the present utility model, two hollow alignment marks 511 are provided at the corner alignment positions of the first white ink layer 51, and a clearance part 521 corresponding to the hollow alignment marks 511 is provided on the second white ink layer 52. The third white ink layer 53 fills the hollow alignment marks 511 and the clearance part 521. According to the hollow alignment marks 511 formed by the first white ink layer 51, the second white ink layer 52 can be screen-printed by the CCD mark grabbing and alignment of an automatic screen printer. Since the accuracy of CCD mark grabbing and alignment is relatively high and this error value is closer to zero, the second white ink layer 52 only extends 0 mm to 0.1 mm outward from the first white ink layer 51 at the viewing area. At the same time, the second white ink layer 52 also needs to avoid the two hollow alignment marks 511 of the first white ink layer 51 for the alignment of the third white ink layer 53, and the clearance part 521 generally avoids 0.2 mm. Then, the hollow alignment marks 511 of the first white ink layer 51 are continuously grabbed by the CCD mark grabbing and alignment of the automatic screen printer to screen-print the third white ink layer 53. Similarly, the third white ink layer 53 only extends 0 mm - 0.1 mm outward from the first white ink layer 51 at the viewing area, and the second white ink layer 52 and the third white ink layer 53 are basically flush. At the same time, when screen-printing the third white ink layer 53, it is necessary to cover the two hollow alignment marks 511 of the first white ink layer 51 and the clearance part 521 of the second white ink layer 52. After all the white ink layers are screen-printed, the fourth black anti-cover ink layer 54 is screen-printed on the periphery of the cover plate 5 glass through a jig. The fourth black anti-cover ink layer 54 extends 0.2 mm to 0.4 mm outward from the first white ink layer 51 at the viewing area. At this time, the three white ink layers basically overlap at one position in the viewing area, reducing the part where the white ink is thinner and avoiding the formation of a light-transmitting aperture in the viewing area.

[0037] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection, an electrical connection or communication with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0038] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all embodiments. The accompanying drawings show preferred embodiments of the present application, but do not limit the scope of the patent of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements for some of the technical features. Any equivalent structures made directly or indirectly using the content of the specification and drawings of the present application in other related technical fields shall be within the scope of the patent protection of the present application by the same token.

Claims

1. A pen segment screen for improving the practicality of grayscale display, characterized in that, It includes a lower polarizer, a lower substrate, an upper substrate, an upper polarizer and a cover plate which are stacked in sequence from bottom to top. The upper surface of the lower substrate is provided with a segment electrode, and the lower surface of the upper substrate is provided with a common electrode. The segment electrode includes a plurality of first electrode patterns and a plurality of second electrode patterns. The shape of each first electrode pattern and each second electrode pattern is a "匚" shape. The sizes of the plurality of first electrode patterns and the sizes of the plurality of second electrode patterns are arranged in sequence from large to small and the directions are consistent. The previous first electrode pattern wraps the next first electrode pattern, and the previous second electrode pattern wraps the next second electrode pattern. Each second electrode pattern is embedded in the gap between two adjacent first electrode patterns in sequence from large to small. A first ITO is arranged at the notch of each first electrode pattern and is electrically connected to it. A second ITO is arranged at the notch of each second electrode pattern and is electrically connected to it.

2. The pen segment screen for improving the practicality of grayscale display according to claim 1, characterized in that The width of each of the first electrode patterns is the same, and the width of each of the second electrode patterns is the same.

3. The segmented screen for improving the practicality of grayscale display according to claim 2, characterized in that, A pattern width of the first electrode pattern is the same as a pattern width of the second electrode pattern.

4. The pen segment screen for improving the practicality of grayscale display according to claim 2, wherein A pattern width of the first electrode pattern is different from a pattern width of the second electrode pattern.

5. The segmented screen for improving the practicality of grayscale display according to claim 4, wherein A pattern width of the first electrode pattern is greater than a pattern width of the second electrode pattern.

6. The pen segment screen for improving the practicality of grayscale display according to claim 1, characterized in that, The lower surface of the cover plate is sequentially stacked with a first white ink layer, a second white ink layer, a third white ink layer and a fourth black reverse cover ink layer located in a non-visible area from top to bottom, and an ink step difference is formed after the first white ink layer, the second white ink layer, the third white ink layer and the fourth black reverse cover ink layer are stacked. The lower surface of the cover plate is provided with a varnish layer, and the varnish layer covers the lower surface of the cover plate located in the visible area, the lower surface of the fourth black reverse cover ink layer and the ink step difference.

7. The segmented screen for improving the practicality of grayscale display according to claim 6, characterized in that, The first white ink layer is provided with a hollow alignment mark, the second white ink layer is provided with a void portion corresponding to the hollow alignment mark, and the third white ink layer fills the hollow alignment mark and the void portion.

8. The segmented display screen for improving the practicality of grayscale display according to claim 7, wherein The size of the void-avoiding portion is larger than the size of the hollow alignment mark.

9. The pen segment screen for improving the practicality of grayscale display according to claim 6, characterized in that The varnish layer has one or more layers.

10. The pen segment screen for improving the practicality of grayscale display according to claim 6, characterized in that, An outer edge of the second white ink layer exceeds an outer edge of the first white ink layer, and an outer edge of the third white ink layer exceeds an outer edge of the second white ink layer.

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