CN108267879B - Liquid crystal display module and display device - Google Patents
Liquid crystal display module and display device Download PDFInfo
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- CN108267879B CN108267879B CN201810141261.3A CN201810141261A CN108267879B CN 108267879 B CN108267879 B CN 108267879B CN 201810141261 A CN201810141261 A CN 201810141261A CN 108267879 B CN108267879 B CN 108267879B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 17
- 238000005452 bending Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a liquid crystal display module and display equipment, the display module includes: a first display area; a second display area; a first set of light emitting elements for simultaneously providing backlight to the first display area and the second display area; a second group of light emitting elements for individually providing backlight to the second display region. According to the liquid crystal display module and the display device, the light-emitting component capable of independently lightening the second display area and the control module for controlling the display state of the second display area are arranged, independent display is realized on the same screen, the second display area of the special-shaped display screen can be designed according to specific conditions, notches generated by design can avoid respective functional modules, and the second group of light-emitting components can independently lighten the second display area, so that electric energy is saved.
Description
Technical Field
The invention relates to the technical field of display panels. And more particularly, to a liquid crystal display module and a display device.
Background
At present, display equipment such as smart phones, televisions and computers have the tendency of improving the screen occupation ratio, and the screen occupation ratio can be effectively improved by adopting a special-shaped liquid crystal display module (namely, the display screen can be designed into an irregular shape according to requirements). However, the conventional special-shaped liquid crystal display module has advanced technology and has many defects.
Disclosure of Invention
In order to solve at least one of the above technical problems, an aspect of the present invention provides a liquid crystal display module, including:
a first display area;
a second display area;
a first set of light emitting elements for simultaneously providing backlight to the first display area and the second display area;
a second group of light emitting elements for individually providing backlight to the second display region.
In a preferred embodiment, the first and second groups of light emitting elements are both disposed on a side near the second display area.
In another preferred embodiment, the first display region includes two outer portions and a middle portion located between the two outer portions, the number of the second display regions is two, and each of the second display regions is formed by extending the outer portion of the first display region.
In a further preferred embodiment, the second display area comprises a top edge and two side edges along its extension direction, the first group of light emitting elements is arranged at the position of the top edge of the second display area and at the position of the edge of the middle part of the first display area near the side of the second display area;
the second group of light-emitting elements are arranged at the edge position of the outer side of each second display area; or,
the second group of light emitting elements is arranged at an edge position of an inner side edge of each second display region.
In yet another preferred embodiment, the module further includes a first flexible circuit board, a second flexible circuit board, and a driving chip;
the driving chip controls the first group of light-emitting elements to emit light through the first flexible circuit board and controls the second group of light-emitting elements to emit light through the second flexible circuit board;
one end of the second flexible circuit board is fixed on the first flexible circuit board.
In still another preferred embodiment, the first flexible circuit board includes:
the module comprises a bending section, a first main body section and a second main body section, wherein the first main body section and the second main body section are connected to two ends of the bending section;
the driving chip is disposed on the second main body section.
In a further preferred embodiment, the first flexible circuit board includes a fixed segment having one end fixed to a side of the module facing away from the display screen and an extending segment formed by two side portions of a top edge of the other end of the fixed segment extending outward, and each extending segment is bent and fixed to a position of the module corresponding to the second display area;
a gap area is formed between the two second display areas, a containing cavity corresponding to the gap area is formed between the two bent extension sections, and at least one functional module is contained in the containing cavity.
In yet another preferred embodiment, the functional modules include a camera module, a fingerprint recognition module, an earpiece module, and a flash module.
In a further preferred embodiment, the display contents of the second display area include time, power, incoming call reminder, information, and mail.
Another aspect of the invention provides a liquid crystal display device comprising the module as described above.
The invention has the following beneficial effects:
according to the liquid crystal display module and the display device, the light-emitting component capable of independently lightening the second display area and the control module for controlling the display state of the second display area are arranged, independent display is realized on the same screen, the second display area of the special-shaped display screen can be designed according to specific conditions, various functional modules can be avoided according to requirements due to the designed gap, and the second display area can be independently lightened by the second group of light-emitting components, so that electric energy is saved.
In the preferred scheme, two groups of light-emitting elements are arranged on the same side, so that the light-emitting elements can be designed into a connected structure, and the manufacturing cost and the manufacturing difficulty are greatly reduced.
In addition, in another preferred scheme, after the flexible circuit board is bent, the occupied space is greatly reduced, so that display devices such as mobile phones can be smaller, and the screen occupation ratio is higher. The driving chip is arranged on one side departing from the display screen, so that more display space is reserved for the front side of the display screen, and the screen occupation ratio is further improved.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a special-shaped display screen in the prior art.
Fig. 2 is a schematic structural diagram of a display screen in a liquid crystal display module according to a first aspect of the present invention.
Fig. 3 shows a simplified structural schematic of fig. 2.
Fig. 4 is a schematic view showing a structure in which the flexible circuit board is arranged flat in the first aspect of the present invention.
Fig. 5 is a schematic structural diagram of a liquid crystal display module according to a first aspect of the present invention.
Fig. 6 shows an enlarged view of a portion a in fig. 5.
Fig. 7 is a schematic diagram illustrating a bent structure of the flexible circuit board according to the first aspect of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
Various cross-sectional views in accordance with the disclosed embodiment of the invention are shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.
Compared with an OLED display screen, the LCD display screen has the advantages of low price, low manufacturing process requirement and high resolution, is widely applied to various display devices such as computers and televisions and commonly used smart phones, and has the trend of improving screen occupation ratio.
The special-shaped display screen is a display screen which is transformed into a special shape on the basis of the existing display screen technology, and by taking a smart phone with various functions as an example, please refer to fig. 1, the special-shaped display screen can design the display screen into a maximum pattern which can avoid the functional module according to the size and the position of the functional module. In general, a special-shaped display screen can be divided into a main display area and a special-shaped display area, and the special-shaped display area is generally used for displaying fragmentary functional information such as time, caller identification and the like due to the limitation of shape and size.
However, the current special-shaped display screen is limited by the design of the existing control module, even if the special-shaped display area can display different information from the main display area, the special-shaped display area cannot display the information independently, when a user only has the display requirement of functional information, the whole display screen is required to be lightened frequently, and the display screen belongs to the part with the largest power consumption proportion of display equipment such as a mobile phone, so that a large amount of electricity waste is caused, especially for mobile terminals such as the mobile phone, the stored electricity is limited, the electricity is required to be charged frequently after being lost, and inconvenience is brought to the user. In addition, in order to solve the above problems, a possible implementation manner that can be thought of by those skilled in the art is generally to provide two display screens, such an implementation manner causes the display area to require at least two sets of mutually independent control modules, and how to naturally link the two sets of independent control modules on the display content is also one of the problems that are difficult to solve, and if only one display screen is provided, how to independently light the special-shaped display area without causing light influence on the main display area is also a problem that needs to be solved in the special-shaped display of the liquid crystal module at present. For example, the light emitting elements shown in fig. 1 are concentrated on one side, and separate lighting of the special-shaped display area cannot be completed.
In view of the above, an aspect of the present invention provides an embodiment of a liquid crystal display module, which is shown in fig. 2 and includes a first display area 11; a second display area 12; a first group of light emitting elements 41 for lighting the first display region 11 and the second display region 12 simultaneously; for individually illuminating the second group of light-emitting elements 42 of the second display region 12.
As is apparent to one skilled in the art, the LCD module can be a special-shaped display module.
According to the invention, the light-emitting elements capable of independently lighting the second display area 12 are arranged, so that independent display is realized on the same screen, the second display area 12 of the special-shaped display screen can be designed according to specific conditions, the designed gaps can avoid respective functional modules, and the light-emitting components can independently light the second display area 12, so that electric energy is saved.
Alternatively, taking a mobile phone as an example, the present invention provides a more specific embodiment, please refer to fig. 2, in which the first group of light emitting elements 41 and the second group of light emitting elements 42 are both disposed at a side close to the second display region 12.
In the preferred scheme, two groups of light-emitting elements are arranged on the same side, so that the light-emitting elements can be designed into a connected structure, and the manufacturing cost and the manufacturing difficulty are greatly reduced.
Alternatively, there may be one, two, or even a plurality of second display regions 12, which are different only in their respective designs and arrangement positions and arrangement manners of the light emitting elements, and for example, there are two second display regions 12, and each second display region 12 is formed by extending the outer side portion 111 of the first display region 11.
For another example, the number of the second display regions 12 is one, and the second display regions 12 are formed by extending the middle portion 112 of the first display region 11.
Based on the above-mentioned alternative embodiment that the second display area 12 is two, please refer to fig. 3, the second display area 12 includes a top edge 123 along the extending direction thereof and two side edges (an inner edge 121 and an outer edge 122), the first group of light emitting elements 41 are disposed at the position of the top edge 123 of the second display area 12 and at the position of the edge of the middle portion of the first display area 11 near the side of the second display area 12; the second group of light-emitting elements 42 is arranged at the edge position of the outer side 122 of each second display area 12; alternatively, the second group of light emitting elements 42 is arranged at an edge position of the inner side 121 of each second display area 12.
In the above alternative embodiment, although the second group of light emitting elements 42 may be disposed on the outer side 122 or the inner side 121 of the second display region 12, when disposed on the outer side 122, the first group of light emitting elements 41 and the second group of light emitting elements 42 cannot be connected, so that two rows of light emitting elements are required, which increases the process cost, and when disposed on the inner side 121, obviously, only one row of light emitting elements needs to be bent, which greatly reduces the cost.
In addition, in one embodiment of the present aspect, since the display area of the second display region 12 is smaller and the arrangement space of the second group of light emitting elements 42 is correspondingly smaller, the flexible circuit board connected to the second group of light emitting elements 42 can be disposed on the pad of the flexible circuit board connected to the first group of light emitting elements 41, specifically, as shown in fig. 5 to 6, the module further includes the first flexible circuit board 21, the second flexible circuit board 22 and the driving chip 3; the driving chip 3 controls the first group of light-emitting elements 41 to emit light through the first flexible circuit board 21, and controls the second group of light-emitting elements 42 to emit light through the second flexible circuit board 22; wherein, one end of the second flexible circuit board 22 is fixed on the first flexible circuit board 21.
In one embodiment of the present invention, in order to further increase the screen ratio of the display panel, the Flexible Printed Circuit (FPC) to which the light emitting element is connected is bent, and as shown in fig. 7, the first flexible printed circuit 21 includes: the bending section 212, and the first main body section 211 and the second main body section 213 connected to two ends of the bending section 212, wherein the first main body section 211 is located at one side of the module close to the display screen, and the second main body section 213 is located at one side of the module away from the display screen; the driving chip 3 is disposed on the second main body section 213. After the flexible circuit board is bent, the occupied space is greatly reduced, so that display devices such as mobile phones can be smaller, and the screen occupation ratio is higher. The driving chip 3 is arranged on one side departing from the display screen, so that more display space is reserved for the front side of the display screen, and the screen occupation ratio is further improved.
In addition, in this aspect, description will be made with reference to fig. 3 and 4, where fig. 4 is a structural view of the first flexible circuit board when it is arranged straight, and it is necessary to bend the first flexible circuit board into the shape shown in fig. 5 when it is used. The first flexible circuit board 21 includes a fixed section 214 with one end fixed to one side of the module away from the display screen and extending sections 215 formed by extending two side portions of the top edge of the other end of the fixed section 214 outwards, and each extending section 215 is fixed to the position of the module corresponding to the second display area 12 in a bending manner; a gap area 13 is formed between the two second display areas 12, a cavity corresponding to the gap area 13 is formed between the two bent extension sections 215, and at least one functional module is arranged in the cavity.
Optionally, the functional module includes a camera module, a fingerprint recognition module, an earpiece module and a flash module.
Optionally, the display content of the second display area 12 includes time, power, incoming call reminder, information, and mail.
In addition, in another aspect of the present invention, the present invention provides a display device, which includes the above module, and specifically, the display device is a product with any display function, such as a liquid crystal television, a digital photo frame, a mobile phone, a tablet computer, and a navigator.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other gas steps or elements inherent to such process, method, or apparatus.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (8)
1. A liquid crystal display module is characterized by comprising
A first display area;
a second display area;
a first set of light emitting elements for simultaneously providing backlight to the first display area and the second display area;
a second group of light emitting elements for individually providing backlighting to the second display region,
the first group of light emitting elements and the second group of light emitting elements are both disposed at a side near the second display region,
the first display area comprises two outer side parts and a middle part positioned between the two outer side parts, the number of the second display areas is two, and each second display area is formed by extending the outer side part of the first display area.
2. The module of claim 1, wherein the second display region comprises a top edge and two side edges along the extending direction thereof, and the first group of light-emitting elements is disposed at the top edge of the second display region and at the edge of the middle portion of the first display region near one side of the second display region;
the second group of light-emitting elements are arranged at the edge position of the outer side of each second display area; or,
the second group of light emitting elements is arranged at an edge position of an inner side edge of each second display region.
3. The module of claim 1, further comprising a first flexible circuit board, a second flexible circuit board, and a driver chip;
the driving chip controls the first group of light-emitting elements to emit light through the first flexible circuit board and controls the second group of light-emitting elements to emit light through the second flexible circuit board;
one end of the second flexible circuit board is fixed on the first flexible circuit board.
4. The module of claim 3, wherein the first flexible circuit board comprises:
the module comprises a bending section, a first main body section and a second main body section, wherein the first main body section and the second main body section are connected to two ends of the bending section;
the driving chip is disposed on the second main body section.
5. The module according to claim 3, wherein the first flexible circuit board includes a fixed section having one end fixed to a side of the module facing away from the display screen and an extending section formed by two side portions of a top edge of the other end of the fixed section extending outward, and each extending section is bent and fixed to a position of the module corresponding to the second display area;
a gap area is formed between the two second display areas, a containing cavity corresponding to the gap area is formed between the two bent extension sections, and at least one functional module is contained in the containing cavity.
6. The module of claim 5, wherein the functional modules comprise a camera module, a fingerprint recognition module, an earpiece module, and a flash module.
7. The module of claim 1, wherein the display content of the second display area comprises time, power, incoming call reminder, message, and email.
8. A liquid crystal display device comprising a module according to any one of claims 1-7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810141261.3A CN108267879B (en) | 2018-02-11 | 2018-02-11 | Liquid crystal display module and display device |
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| CN201810141261.3A CN108267879B (en) | 2018-02-11 | 2018-02-11 | Liquid crystal display module and display device |
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| CN108267879A CN108267879A (en) | 2018-07-10 |
| CN108267879B true CN108267879B (en) | 2021-02-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109686267A (en) * | 2019-02-26 | 2019-04-26 | 武汉华星光电半导体显示技术有限公司 | OLED display |
| CN109933147A (en) * | 2019-03-27 | 2019-06-25 | 广东虹勤通讯技术有限公司 | A kind of screen laptop and its interface display method comprehensively |
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| CN106941560A (en) * | 2016-01-04 | 2017-07-11 | Lg电子株式会社 | Mobile terminal |
| CN105700234A (en) * | 2016-04-06 | 2016-06-22 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal displayer |
| CN107301831A (en) * | 2016-04-15 | 2017-10-27 | 三星显示有限公司 | Display device |
| CN105761684A (en) * | 2016-05-17 | 2016-07-13 | 上海天马微电子有限公司 | Display device and backlight control method thereof |
| CN106448570A (en) * | 2016-09-14 | 2017-02-22 | 深圳创维－Rgb电子有限公司 | High-power area dimming control method, control device and television |
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| CN108267879A (en) | 2018-07-10 |
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