CN100388070C - Liquid crystal display panel and liquid crystal display device - Google Patents

Abstract

The liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first substrate, a storage capacitor and a dielectric layer. The storage capacitor is disposed on the first substrate and has a reflective electrode. The dielectric layer is disposed on the first substrate and covers a portion of the storage capacitor. The second substrate is disposed parallel to the first substrate and includes a second substrate, a black matrix and a common electrode. The black matrix is arranged on the second substrate and is arranged corresponding to the storage capacitor, and the black matrix is provided with an opening corresponding to the reflecting electrode. The opening is used for allowing an external light to enter the liquid crystal display panel, so that the reflective electrode reflects the external light to serve as a light source of the liquid crystal display panel. The common electrode is arranged on the second substrate and covers the black matrix and the opening. The liquid crystal layer is arranged between the first substrate and the second substrate.

Description

Liquid crystal display panel and liquid crystal display device

technical field

The present invention relates to a liquid crystal display panel and a liquid crystal display device using the same, and in particular to a liquid crystal display panel using an electrode of a storage capacitor as a reflective electrode and forming an opening corresponding to the storage capacitor in a black matrix and A liquid crystal display device using the same.

Background technique

The micro-reflection liquid crystal display device is one of the semi-reflective and semi-transmissive liquid crystal display devices. Reflective components to solve the problem that the information on it cannot be recognized due to the strong reflection of the surface under the sun. However, its production method used to be the original twisted nematic (TN mode) method, without any manufacturing process, and only achieved the effect of micro-reflection by improving the structure of the backlight module or the structure of the polarizer. However, when this reflective liquid crystal display device is purely reflective, it is not optimized for the relational curve of voltage and reflectance (V-R) of reflection. Furthermore, due to the use of TN mode, the contrast of the liquid crystal display device cannot be improved, which greatly affects the practicability of the liquid crystal display device.

Contents of the invention

In view of this, the object of the present invention is to provide a liquid crystal display panel and a liquid crystal display device using the same. Its liquid crystal display panel is designed with one electrode of the storage capacitor as the reflection area and an opening in the corresponding opaque layer (such as a black matrix), which can directly achieve internal reflection (that is, the light modulation of the L1 part) light modulation. In addition, in the liquid crystal display panel of this embodiment, a dielectric layer is added on the top of the storage capacitor, which is intended to divide the voltage of the liquid crystal layer in the reflective area to achieve the same saturation voltage as that in the transmissive area. (saturation voltage). And because there is still a small part of the reflective area that has both the penetrating and reflective electrodes, the threshold voltage will also be close to that of the penetrating area, so that a higher reflection contrast can be obtained.

According to the object of the present invention, a liquid crystal display panel is provided, which includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first base material, a storage capacitor and a dielectric layer. The storage capacitor is disposed on the first substrate and has a reflective electrode. The dielectric layer is disposed on the first substrate and covers part of the storage capacitor. The second substrate is arranged parallel to the first substrate, and includes a second base material, a black matrix and a common electrode. The black matrix is disposed on the second substrate and is disposed corresponding to the storage capacitor, and the black matrix has an opening. The opening corresponds to the reflective electrode, and is used for allowing an external light to enter the liquid crystal display panel, so that the reflective electrode reflects external light to serve as a light source for the liquid crystal display panel. The common electrode is disposed on the second substrate and covers the black matrix and the opening. The liquid crystal layer is disposed between the first substrate and the second substrate. The dielectric layer has a contact hole, and the first substrate further includes a transparent electrode disposed on a part of the dielectric layer. One end of the transparent electrode is electrically connected to the reflective electrode through the contact hole.

According to another object of the present invention, a liquid crystal display device is provided, including a liquid crystal display panel, a backlight module, a first polarizer and a second polarizer. The liquid crystal display panel includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first base material, a storage capacitor, a dielectric layer and a transparent electrode. The storage capacitor is disposed on the first substrate and has a reflective electrode. The dielectric layer is disposed on the first substrate and covers part of the storage capacitor, and the dielectric layer has a contact hole. The transparent electrode is arranged on part of the dielectric layer, and one end of the transparent electrode is electrically connected with the reflective electrode through the contact hole. The second substrate is arranged parallel to the first substrate, and includes a second base material, a black matrix and a common electrode. The black matrix is disposed on the second substrate and is disposed corresponding to the storage capacitor, and the black matrix has an opening. The opening corresponds to the reflective electrode and the end of the transparent electrode electrically connected to the reflective electrode, for allowing an external light to enter the liquid crystal display panel, so that the reflective electrode reflects external light to serve as a light source for the liquid crystal display panel. The common electrode is disposed on the second substrate and covers the black matrix and the opening. The liquid crystal layer is disposed between the first substrate and the second substrate. The backlight module is arranged under the liquid crystal display panel for providing an internal light to the liquid crystal display panel. The first polarizing plate is arranged between the backlight module and the liquid crystal display panel. The second polarizing plate is arranged on the liquid crystal display panel.

According to still another object of the present invention, a micro-reflective display panel is provided, which is suitable for driving vertically aligned liquid crystals, and includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first base material, a storage capacitor, a dielectric layer and a transparent electrode. The storage capacitor is disposed on the first substrate and has a reflective electrode. The dielectric layer is disposed on the first substrate and covers part of the storage capacitor, and the dielectric layer has a contact hole. The transparent electrode is arranged on part of the dielectric layer, and one end of the transparent electrode is electrically connected with the reflective electrode through the contact hole. The second substrate is arranged parallel to the first substrate, and includes a second base material, an opaque layer and a common electrode. The opaque layer is disposed on the second substrate and corresponding to the storage capacitor. The opaque layer has an opening, and the opening is arranged above the storage capacitor. The common electrode is disposed on the second substrate and covers the opaque layer and the opening. The liquid crystal layer is disposed between the first substrate and the second substrate.

According to another object of the present invention, a liquid crystal display panel is provided, including a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first base material, a storage capacitor and a dielectric layer. The storage capacitor is disposed on the first substrate and has a reflective electrode. The dielectric layer is disposed on the first substrate and covers part of the storage capacitor. The second substrate is arranged parallel to the first substrate, and includes a second base material, a color filter and a common electrode. The color filter is arranged on the second substrate. The common electrode is arranged on the color filter. The liquid crystal layer is disposed between the first substrate and the second substrate. The dielectric layer has a contact hole, and the first substrate further includes a transparent electrode disposed on a part of the dielectric layer. One end of the transparent electrode is electrically connected to the reflective electrode through the contact hole.

Description of drawings

In order to make the above objects, features, and advantages of the present invention more comprehensible, a preferred embodiment will be described in detail below together with the accompanying drawings. In the attached picture:

FIG. 1A is a schematic cross-sectional view showing the structure of a first liquid crystal display device according to a preferred embodiment of the present invention.

FIG. 1B is a schematic cross-sectional view showing the structure of a second liquid crystal display device according to a preferred embodiment of the present invention.

FIG. 1C is a schematic cross-sectional view showing the structure of a third liquid crystal display device according to a preferred embodiment of the present invention.

FIG. 1D is a schematic cross-sectional view showing the structure of a fourth liquid crystal display device according to a preferred embodiment of the present invention.

2 is a schematic diagram showing the relationship between voltage and reflectance (V-R) in the reflective region and the relationship between voltage and transmittance (V-T) in the transmissive region of the liquid crystal display panel according to a preferred embodiment of the present invention.

Explanation of main component symbols

10, 10a, 10b, 10c, 10d: liquid crystal display device

20, 20a, 20b, 20c: liquid crystal display panel

30: First Substrate

31: first substrate

32: storage capacitor

32a: reflective electrode

33: Dielectric layer

33a: Contact hole

34: transparent electrode

35: The first vertical alignment film

40, 40a, 40b, 40c: second substrate

41: Second substrate

42: black matrix

42a, 43b, 43e: openings

43, 43a, 43d: color filter

44: common electrode

45: Second vertical alignment film

46, 46a: planarization layer

50: liquid crystal layer

60: Backlight module

70: first polarizer

80: second polarizer

L1: ambient light

L2: Internal light

h1, h2: dielectric layer thickness

Detailed ways

Please refer to FIG. 1A , which is a schematic cross-sectional view showing the structure of a first liquid crystal display device according to a preferred embodiment of the present invention. As shown in FIG. 1A , the liquid crystal display device 10 includes a liquid crystal display panel 20 , a backlight module 60 , a first polarizer 70 and a second polarizer 80 . The liquid crystal display panel 20 includes a first substrate 30 , a second substrate 40 and a liquid crystal layer 50 . The first substrate 30 includes a first substrate 31 , a storage capacitor 32 , a dielectric layer 33 and a transparent electrode 34 . The storage capacitor 32 is disposed on the first substrate 31 and has a reflective electrode 32a. The dielectric layer 33 is disposed on the first substrate 31 and covers part of the storage capacitor 32 . The dielectric layer 33 has a contact hole 33 a. The transparent electrode 34 is disposed on a part of the dielectric layer 33, and one end of the transparent electrode 34 is electrically connected to the reflective electrode 32a through the contact hole 33a. The second substrate 40 is disposed parallel to the first substrate 30 and includes a second substrate 41 , a black matrix 42 and a common electrode 44 . The black matrix 42 is disposed on the second substrate 41 and is disposed corresponding to the storage capacitor 32. The black matrix 42 has an opening 42a. Wherein, the black matrix 42 can also be formed by other opaque layers. The opening 42 a corresponds to the end of the reflective electrode 32 a and the transparent electrode 34 electrically connected to the reflective electrode 32 a , and the opening 42 a is disposed above the storage capacitor 32 . The opening 42 a is used for allowing an external light L1 to enter the liquid crystal display panel 20 , so that the reflective electrode 32 a reflects the external light to serve as a light source for the liquid crystal display panel 20 . The common electrode 44 is disposed on the second substrate 41 and covers the black matrix 42 and the opening 42a. The liquid crystal layer 50 is disposed between the first substrate 30 and the second substrate 40 . The backlight module 60 is disposed under the liquid crystal display panel 20 and adjacent to the first substrate 30 for providing an internal light L2 to the liquid crystal display panel 20 . The first polarizer 70 is disposed between the backlight module 60 and the liquid crystal display panel 20 . The second polarizer 80 is disposed on the liquid crystal display panel 20 and adjacent to the second substrate 40 . Wherein, the position of the contact hole 33a is set within the projected area of the opening 42a. Alternatively, the position of the contact hole 33a is partially disposed within the projected area of the opening 42a.

In addition, the liquid crystal display panel 20 further includes a first vertical alignment film 35 and a second vertical alignment film 45 . The first vertical alignment film 35 is disposed on the dielectric layer 33 and covers the transparent electrode 34 and the storage capacitor 32 . The second vertical alignment film 45 is disposed on the common electrode 44 . Wherein, the liquid crystal layer 50 is disposed between the first vertical alignment film 35 and the second vertical alignment film 45 .

In this embodiment, the second substrate 41 further includes a color filter 43 . The color filter 43 is disposed between the second substrate 41 and the common electrode 44 and covers the black matrix 42 and the opening 42a.

Alternatively, the color filter of the liquid crystal display panel may also have an opening design. As shown in the liquid crystal display device 10 a of FIG. 1B , it is a schematic cross-sectional view showing the structure of a second liquid crystal display device according to a preferred embodiment of the present invention. In the liquid crystal display device 10 a , the second substrate 40 a of the liquid crystal display panel 20 a further includes a color filter 43 a and a planarization layer 46 . The color filter 43 a is disposed between the second substrate 41 and the common electrode 44 and covers the black matrix 42 . The color filter 43 a has another opening 43 b corresponding to the opening 42 a of the black matrix 42 . The planarization layer 46 is disposed between the color filter 43 a and the common electrode 44 , and covers the opening 42 a of the black matrix 42 and the opening 43 b of the color filter 43 a.

In addition, the storage capacitors of the liquid crystal display panel do not need to correspond to the openings of the black matrix. As shown in FIG. 1C , a liquid crystal display device 10 b is a schematic cross-sectional view showing the structure of a third liquid crystal display device according to a preferred embodiment of the present invention. In the liquid crystal display device 10b, the second substrate 40b of the liquid crystal display panel 20b further includes a color filter 43c. The color filter 43c is disposed on the second substrate 41, and the common electrode 44 is disposed on the color filter 43c.

In addition, the storage capacitor of the liquid crystal display panel does not need to correspond to the opening of the black matrix, and the color filter can also have an opening design. As shown in the liquid crystal display device 10c of FIG. 1D , it is a schematic cross-sectional view showing the structure of a fourth liquid crystal display device according to a preferred embodiment of the present invention. In the liquid crystal display device 10c, the second substrate 40c of the liquid crystal display panel 20c further includes a color filter 43d and a planarization layer 46a. The color filter 43d has an opening 43e corresponding to the end of the reflective electrode 32a and the transparent electrode 34 electrically connected to the reflective electrode 32a. The planarization layer 46a is disposed between the color filter 43d and the common electrode 44 and covers the opening 43e.

In addition, the liquid crystal display panels 20-20c can each be a vertical alignment (VA) type liquid crystal display panel, and can be a micro-reflection type display panel, suitable for driving vertical alignment type liquid crystals. Moreover, each of the liquid crystal display panels 20 - 20 c forms a reflective area in the area corresponding to the storage capacitor 32 , and the liquid crystal display panels 20 - 20 c form a transmissive area in the area corresponding to the transparent electrode 34 . When a voltage is applied to the transparent electrode 34, the dielectric layer 33 is used to divide the voltage of the liquid crystal layer in the reflective area, so that the relationship between the voltage of the liquid crystal display panels 20-20c on the reflective electrode 32a and the reflectance (V-R) The curves are matched with the relationship curves of voltage and light transmittance (V-T) on the transparent electrodes 34 of the liquid crystal display panels 20-20c. That is to say, through the design of the dielectric layer 33, the voltage and light reflectance (V-R) relationship curves of the reflective regions of the liquid crystal display panels 20-20c will match the voltage and light transmittance of the transmissive regions of the liquid crystal display panels 20-20c The (V-T) relationship curve greatly improves the contrast of the liquid crystal display devices 10-10c.

Please refer to FIG. 2 , which shows a schematic diagram of the relationship between voltage and reflectance (V-R) in the reflective region and the relationship between voltage and transmittance (V-T) in the transmissive region of a liquid crystal display panel according to a preferred embodiment of the present invention. As shown in FIG. 2 , when the thickness of each electrical layer 33 is different, if the thickness h2 is greater than the thickness h1, the matching degree of the voltage-reflectance (V-R) relationship curve and the voltage-transmittance (V-T) relationship curve is also different. However, if the thickness of the dielectric layer 33 is too thick or too thin, the relationship curve between voltage and light reflectance (V-R) and the relationship curve between voltage and light transmittance (V-T) will not match. Therefore, when the thickness of the dielectric layer 33 is 0.6 microns (μm) to 5 microns (μm), the matching degree between its voltage and light reflectance (V-R) relationship curve and the voltage and light transmittance (V-T) relationship curve is the best. .

Because there is a small part of the transparent electrode 34 on the reflective area, the voltage of the liquid crystal layer in the reflective area is partially provided by the voltage of the transparent electrode 34, and then the voltage in the reflective area and the light reflectance (V-R) relationship curve will be higher in the front section of the rising area. It is matched with the rising area in the front section of the voltage-transmittance (V-T) relationship curve in the transmission area.

Those with ordinary knowledge in the technical field to which this embodiment belongs can also understand that the technology of this embodiment is not limited thereto. For example, the dielectric layer 33 may be an inorganic material or an organic material. In addition, the reflective electrode 32a includes a reflective metal, a reflective metal alloy, or any combination thereof. In addition, the reflective electrode 32a can be a single-layer or multi-layer structure, such as titanium/aluminum or titanium/aluminum/titanium/aluminum in sequence from the bottom layer to the top layer. Furthermore, the first substrate 31 and the second substrate 41 can be glass substrates, insulating substrates, plastic substrates, ceramic substrates or flexible substrates. Moreover, the transparent electrode 34 is a pixel electrode in a pixel of an active matrix pixel array (active matrix pixel array), and its material can be a transparent conductive material including indium tin oxide (indium tin oxide, ITO), indium zinc oxide ( Indium zinc oxide, IZO), cadmium tin oxide (cadmiurn tin oxide, CTO), tin oxide (stannum oxide, SnO2) and zinc oxide (zin oxide, ZnO) and similar transparent metal oxides. The liquid crystal display device 10 can be applied in computer screens, flat-screen TVs, monitor screens, mobile phones, handheld game devices, digital cameras (digital camera, DC), digital video recorders (digital video, DV), digital playback devices, personal digital Assistant (personal digital assistant, PDA), notebook computer (notebook) and tablet computer (Table PC) and other electronic devices that require a display unit

In the liquid crystal display panel and liquid crystal display device disclosed in the above-mentioned embodiments of the present invention, the liquid crystal display panel uses one electrode of the storage capacitor as the reflection area and makes an opening in the corresponding black matrix, which can directly achieve internal reflection (that is, The light modulation of the L1 part uses the light modulation of ). In addition, the liquid crystal display panel of this embodiment has a layer of dielectric layer on the top of the storage capacitor, which is intended to divide the voltage of the liquid crystal layer in the reflection area, so as to achieve the same effect as the wear-through in a preferred embodiment. The same saturation voltage as the transparent area. And because the reflective area has both the reflective electrode and the transmissive electrode with a small area, the threshold voltage is also close to that of the transmissive area, so that a higher reflection contrast can be obtained.

In summary, although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Those skilled in the art of the present invention can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims (45)

1. display panels comprises:

First substrate comprises:

First ground;

Storage capacitors is arranged on this first ground, and has reflecting electrode; And

Dielectric layer is arranged on this first ground, and this storage capacitors of cover part;

Second substrate be arranged in parallel with this first substrate, comprising:

Second ground;

Black matrix", be arranged on this second ground, and corresponding to this storage capacitors setting, this black matrix" has first opening, this first opening is corresponding to this reflecting electrode, use for the ambient light line and enter this display panels, make this reflective electrodes reflects should external world's light with light source as this display panels;

Common electrode is arranged on this second ground, and covers this black matrix" and this first opening; And

Liquid crystal layer is arranged between this first substrate and this second substrate,

Wherein this dielectric layer has contact hole, and this first substrate also comprises transparency electrode, is arranged on this dielectric layer of part, and an end of this transparency electrode is electrically connected with this reflecting electrode by this contact hole.

2. display panels as claimed in claim 1, wherein this first opening is corresponding with this end that is electrically connected with this reflecting electrode of this reflecting electrode and this transparency electrode.

3. display panels as claimed in claim 1, wherein this contact hole position is arranged in the projected area of first opening.

4. display panels as claimed in claim 1, wherein this contact hole position part is arranged in the projected area of first opening.

5. display panels as claimed in claim 1 also comprises:

First vertical alignment layer is arranged on this dielectric layer, and covers this transparency electrode; And

Second vertical alignment layer is arranged on this common electrode;

Wherein, this liquid crystal layer is arranged between this first vertical alignment layer and this second vertical alignment layer.

6. display panels as claimed in claim 1, wherein when this transparency electrode is applied in a voltage, this dielectric layer carries out dividing potential drop in order to the voltage to the echo area liquid crystal layer, makes this display panels be matched with voltage and the transmittance relation curve of this display panels on this transparency electrode in voltage on this reflecting electrode and reflecting rate relation curve.

7. display panels as claimed in claim 1, wherein this second substrate also comprises:

Colored filter is arranged between this second ground and this common electrode, and covers this black matrix" and this first opening.

8. display panels as claimed in claim 1, wherein this second substrate also comprises:

Colored filter is arranged between this second ground and this common electrode, and covers this black matrix", and this colored filter has second opening, and this second opening is corresponding to this first opening;

Planarization layer is arranged between this colored filter and this common electrode, and covers this first opening and this second opening.

9. display panels as claimed in claim 1, wherein the thickness of this dielectric layer is 0.6 micron～5 microns.

10. display panels as claimed in claim 1, wherein this reflecting electrode comprises reflective metals, reflective metals alloy or its combination.

11. display panels as claimed in claim 1, wherein this reflecting electrode is titanium/aluminium or titanium/aluminium/titanium/aluminium by bottom to top layer in regular turn.

12. display panels as claimed in claim 1 is a vertical alignment-type liquid crystal display panel.

13. a liquid crystal indicator comprises:

Display panels comprises:

First substrate comprises:

First ground;

Storage capacitors is arranged on this first ground, and has reflecting electrode;

Dielectric layer is arranged on this first ground, and this storage capacitors of cover part, and this dielectric layer has contact hole; And

Transparency electrode is arranged on this dielectric layer of part, and an end of this transparency electrode is electrically connected with this reflecting electrode by this contact hole;

Second substrate be arranged in parallel with this first substrate, comprising:

Second ground;

Black matrix", be arranged on this second ground, and corresponding to this storage capacitors setting, this black matrix" has first opening, this first opening is corresponding with this end that is electrically connected with this reflecting electrode of this reflecting electrode and this transparency electrode, use for an extraneous light and enter this display panels, make this reflective electrodes reflects should external world's light with light source as this display panels;

Common electrode is arranged on this second ground, and covers this black matrix" and this first opening; And

Liquid crystal layer is arranged between this first substrate and this second substrate;

Backlight module is arranged under this display panels, in order to provide internal light to this display panels;

First Polarizer is arranged between this backlight module and this display panels; And

Second Polarizer is arranged on this display panels.

14. liquid crystal indicator as claimed in claim 13, wherein this contact hole position is arranged in the projected area of first opening.

15. liquid crystal indicator as claimed in claim 13, wherein this contact hole position part is arranged in the projected area of first opening.

16. liquid crystal indicator as claimed in claim 13, wherein this second substrate also comprises:

Colored filter is arranged between this second ground and this common electrode, and covers this black matrix" and this first opening.

17. liquid crystal indicator as claimed in claim 13, wherein this second substrate also comprises:

Colored filter is arranged between this second ground and this common electrode, and covers this black matrix", and this colored filter has second opening, and this second opening is corresponding to this first opening;

Planarization layer is arranged between this colored filter and this common electrode, and covers this first opening and this second opening.

18. liquid crystal indicator as claimed in claim 13 also comprises:

First vertical alignment layer is arranged on this dielectric layer, and covers this transparency electrode; And

Second vertical alignment layer is arranged on this common electrode;

Wherein, this liquid crystal layer is arranged between this first vertical alignment layer and this second vertical alignment layer.

19. liquid crystal indicator as claimed in claim 13, wherein the thickness of this dielectric layer is 0.6 micron～5 microns.

20. liquid crystal indicator as claimed in claim 13, wherein when this transparency electrode is applied in voltage, this dielectric layer carries out dividing potential drop in order to the voltage to the echo area liquid crystal layer, makes this liquid crystal indicator be matched with voltage and the transmittance relation curve of this liquid crystal indicator on this transparency electrode in voltage on this reflecting electrode and reflecting rate relation curve.

21. liquid crystal indicator as claimed in claim 13, wherein this reflecting electrode comprises anti-bend forward metal, reflective metals alloy or its combination.

22. liquid crystal indicator as claimed in claim 13, wherein this reflecting electrode is titanium/aluminium or titanium/aluminium/titanium/aluminium by bottom to top layer in regular turn.

23. liquid crystal indicator as claimed in claim 13, wherein this display panels is a vertical alignment-type liquid crystal display panel.

24. a little reflective display panel is applicable to drive vertically aligned liquid crystal, comprises:

First substrate comprises:

First ground;

Storage capacitors is arranged on this first ground, and has reflecting electrode;

Dielectric layer is arranged on this first ground, and this storage capacitors of cover part, and this dielectric layer has contact hole; And

Transparency electrode is arranged on this dielectric layer of part, and an end of this transparency electrode is electrically connected with this reflecting electrode by this contact hole;

Second substrate be arranged in parallel with this first substrate, comprising:

Second ground;

Light non-transmittable layers is arranged on this second ground, and is provided with corresponding to this storage capacitors, and this light non-transmittable layers has one first opening, and this first opening is provided with respect to the storage capacitors top;

Common electrode is arranged on this second ground, and covers this light non-transmittable layers and this first opening; And

Liquid crystal layer is arranged between this first substrate and this second substrate.

25. little reflective display panel as claimed in claim 24, wherein this contact hole position is arranged in the projected area of first opening.

26. little reflective display panel as claimed in claim 24, wherein this contact hole position part is arranged in the projected area of first opening.

27. the described little reflective display panel of claim 24, wherein this second substrate also comprises:

Colored filter is arranged between this second ground and this common electrode, and covers this light non-transmittable layers and this first opening.

28. little reflective display panel as claimed in claim 24, wherein this second substrate also comprises:

Colored filter is arranged between this second ground and this common electrode, and covers this light non-transmittable layers, and this colored filter has second opening, and this second opening is corresponding to this first opening; And

Planarization layer is arranged between this colored filter and this common electrode, and covers this first opening and this second opening.

29. little reflective display panel as claimed in claim 24 also comprises:

First vertical alignment layer is arranged on this dielectric layer, and covers this transparency electrode; And

Second vertical alignment layer is arranged on this common electrode;

Wherein, this liquid crystal layer is arranged between this first vertical alignment layer and this second vertical alignment layer.

30. little reflective display panel as claimed in claim 24, wherein the thickness of this dielectric layer is 0.6 micron～5 microns.

31. little reflective display panel as claimed in claim 24, wherein when this transparency electrode is applied in voltage, this dielectric layer carries out dividing potential drop in order to the voltage to the echo area liquid crystal layer, makes this little reflective display panel be matched with voltage and the transmittance relation curve of this little reflective display panel on this transparency electrode in voltage on this reflecting electrode and reflecting rate relation curve.

32. little reflective display panel as claimed in claim 24, wherein this light non-transmittable layers is a black matrix".

33. little reflective display panel as claimed in claim 24, wherein this reflecting electrode comprises reflective metals, reflective metals alloy or its combination.

34. little reflective display panel as claimed in claim 24, wherein this reflecting electrode is titanium/aluminium or titanium/aluminium/titanium/aluminium by bottom to top layer in regular turn.

35. little reflective display panel as claimed in claim 24, wherein this first opening is corresponding to this reflecting electrode and this end of being electrically connected with reflecting electrode, use for the ambient light line and enter this display panels, make this reflective electrodes reflects should external world's light with light source as this display panels.

36. a display panels comprises:

First substrate comprises:

First ground;

Storage capacitors is arranged on this first ground, and has reflecting electrode; And

Dielectric layer is arranged on this first ground, and this storage capacitors of cover part;

Second substrate be arranged in parallel with this first substrate, comprising:

Second ground;

Colored filter is arranged on this second ground; And

Common electrode is arranged on this colored filter; And

Liquid crystal layer is arranged between this first substrate and this second substrate,

Wherein this dielectric layer has contact hole, and this first substrate also comprises transparency electrode, is arranged on this dielectric layer of part, and an end of this transparency electrode is electrically connected with this reflecting electrode by this contact hole.

37. display panels as claimed in claim 36, wherein this colored filter has first opening, this first opening is corresponding with this end that is electrically connected with this reflecting electrode of this reflecting electrode and this transparency electrode, and this second substrate also comprises planarization layer, be arranged between this colored filter and this common electrode, and cover this first opening.

38. display panels as claimed in claim 37, wherein this contact hole position is arranged in the projected area of first opening.

39. display panels as claimed in claim 37, wherein this contact hole position part is arranged in the projected area of first opening.

40. display panels as claimed in claim 36 also comprises:

First vertical alignment layer is arranged on this dielectric layer, and covers this transparency electrode; And

Second vertical alignment layer is arranged on this common electrode;

Wherein, this liquid crystal layer is arranged between this first vertical alignment layer and this second vertical alignment layer.

41. display panels as claimed in claim 36, wherein when this transparency electrode is applied in voltage, this dielectric layer carries out dividing potential drop in order to the voltage to the echo area liquid crystal layer, makes this display panels be matched with voltage and the transmittance relation curve of this display panels on this transparency electrode in voltage on this reflecting electrode and reflecting rate relation curve.

42. display panels as claimed in claim 36, wherein the thickness of this dielectric layer is 0.6 micron～5 microns.

43. display panels as claimed in claim 36, wherein this reflecting electrode comprises reflective metals, reflective metals alloy or its combination.

44. display panels as claimed in claim 36, wherein this reflecting electrode is titanium/aluminium or titanium/aluminium/titanium/aluminium by bottom to top layer in regular turn.

45. display panels as claimed in claim 36 is a vertical alignment-type liquid crystal display panel.

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