CN106814492B - Liquid crystal display module and display device - Google Patents

Liquid crystal display module and display device Download PDF

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Publication number
CN106814492B
CN106814492B CN201710220167.2A CN201710220167A CN106814492B CN 106814492 B CN106814492 B CN 106814492B CN 201710220167 A CN201710220167 A CN 201710220167A CN 106814492 B CN106814492 B CN 106814492B
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liquid crystal
crystal display
substrate
lower substrate
module
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CN201710220167.2A
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CN106814492A (en
Inventor
洪耀武
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Xiamen Tianma Microelectronics Co Ltd
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Xiamen Tianma Microelectronics Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13356Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements

Abstract

The invention provides a liquid crystal display module, which comprises a liquid crystal display panel, wherein the liquid crystal display panel comprises: an upper substrate and a lower substrate oppositely bonded into a box, wherein the lower substrate comprises a box forming area overlapped with the upper substrate and a step area provided with an integrated circuit and a connecting terminal; the upper polaroid is attached to one side of the upper substrate, which is far away from the lower substrate; the lower polarizer is attached to one side of the lower substrate far away from the upper substrate. The lower polarizer comprises an auxiliary part which is correspondingly attached to the step area of the lower substrate, so that the step area of the lower substrate, particularly the corner of the step area, can be reinforced, and the probability of fragment is reduced.

Description

Liquid crystal display module and display device
Technical Field
The invention relates to the technical field of display, in particular to a liquid crystal display module and a display device thereof.
Background
A display device is an important component of a mobile terminal (e.g., a mobile phone), and a commonly used display device in the mobile terminal is a liquid crystal display module (LCM), which is an assembly that assembles structural components such as a liquid crystal display panel, an Integrated Circuit (IC), a flexible printed circuit board (FPC), and a backlight module together. The backlight module provides a backlight source with sufficient and uniform brightness for the liquid crystal display panel.
As shown in fig. 1, which is a schematic partial structure diagram of a conventional liquid crystal display panel, the conventional liquid crystal display panel includes: the first substrate 10' and the second substrate 20', the integrated circuit 21', the connection terminal 22', and the flexible printed circuit board 30' which are oppositely disposed are attached with an upper polarizer 41' on a side of the first substrate 10' away from the second substrate 20', and a lower polarizer 42' on a side of the second substrate 20' away from the first substrate 10 '. The integrated circuit 21 'and the connection terminal 22' are provided on the surface of the second substrate 20 'facing the first substrate 10', and the integrated circuit 21 'and the flexible printed circuit board 30' are electrically connected to the connection terminal 22', respectively, wherein the length of the first side surface 13' of the first substrate 10 'facing the integrated circuit 21' is smaller than the length of the second side surface 23 'of the second substrate 20' facing the integrated circuit 21', the difference in length between the first side surface 11' and the second side surface 23 'is an Outer Lead Bonding (OLB) step between the first substrate 10' and the second substrate 20', and the integrated circuit 21' and the connection terminal 22 'are provided at a 0LB step position of the second substrate 20'.
The liquid crystal display panel has the defects that the liquid crystal display panel is single-layer at the step, the strength is poor, when the liquid crystal display panel falls or is impacted, and one side of the 0LB step directly receives external force, the breakage probability of the 0LB step of the second substrate is high.
Disclosure of Invention
The invention aims to provide a liquid crystal display module and a display device, which are used for solving the problem that the strength of a step part is poor and the module is easy to break in the conventional liquid crystal display module and display device.
Firstly, the invention provides a liquid crystal display module, which comprises a liquid crystal display panel and a backlight module, wherein the liquid crystal display panel comprises: an upper substrate and a lower substrate oppositely bonded into a box, wherein the lower substrate comprises a box forming area overlapped with the upper substrate and a step area provided with an integrated circuit and a connecting terminal; the upper polaroid is attached to one side of the upper substrate, which is far away from the lower substrate; the lower polarizer is attached to one side of the lower substrate, which is far away from the upper substrate; the lower polarizer includes an auxiliary portion corresponding to the step area of the lower substrate.
In an embodiment of the invention, the auxiliary portion covers the step area of the lower substrate, and the auxiliary portion is provided with an opening corresponding to the position of the integrated circuit and the connecting terminal.
In an embodiment of the invention, the lcd module further includes a backlight module, and the lower polarizer is located between the backlight module and the lower substrate; and, the backlight module includes: a light guide plate; the rubber frame is arranged around the side edge of the light guide plate; and the light source module is positioned between the rubber frame and the light incident surface of the light guide plate.
In an embodiment of the present invention, the lower polarizer includes a main body portion corresponding to the box forming region of the lower substrate; the auxiliary part comprises convex feet extending from two side edges of the main body part, and the light source module corresponds to the position between the two convex feet.
In an embodiment of the invention, the protruding foot is in an elongated shape, and the end of the protruding foot covers two corners of the step area far away from the box forming area.
In an embodiment of the invention, the protruding foot is L-shaped, and the protruding foot covers two corners of the step area of the lower substrate far away from the box area.
In an embodiment of the invention, the rubber frame is provided with a platform for bearing the liquid crystal display panel, and the platform is provided with a groove adapted to the convex foot of the lower polarizer.
In an embodiment of the invention, the liquid crystal display module further includes a flexible printed circuit board connected to the integrated circuit through the connection terminal.
In an embodiment of the invention, a distance between a side of the auxiliary portion close to the integrated circuit and the integrated circuit is not less than 0.4 um; the distance between the side edge of the auxiliary portion close to the connecting terminal and the connecting terminal is not less than 0.4 um.
The invention further provides a display device which comprises the liquid crystal display module.
Compared with the prior art, the technical scheme provided by the invention has the following advantages: the lower substrate of the liquid crystal display module comprises a box forming area and a step area, wherein the box forming area is overlapped with the upper substrate of the liquid crystal display module, and the step area is provided with an integrated circuit and a connecting terminal; the lower polarizer which is correspondingly attached to one side of the lower substrate far away from the upper substrate is provided with the auxiliary part, and the auxiliary part is correspondingly attached to the step area of the lower substrate, so that the step area of the lower substrate and the corner of the step area can be reinforced, and the probability of fragment is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
FIG. 1 is a schematic diagram of a prior art LCD panel;
FIG. 2 is a schematic view of a liquid crystal display module according to an embodiment of the invention;
FIG. 3 is a top view of the front and back sides of the LCD module shown in FIG. 2;
FIG. 4 is a schematic view of another LCD module according to an embodiment of the present invention;
FIG. 5 is a schematic view of a lower polarizer of the LCD module shown in FIG. 4;
FIG. 6 is a partially exploded perspective view of the LCD module shown in FIG. 4;
FIG. 7 is a schematic view of another lower polarizer according to an embodiment of the present invention;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The invention provides a liquid crystal display module, which comprises a liquid crystal display panel and a backlight module, wherein the liquid crystal display panel is arranged on the backlight module, and the backlight module provides a display light source for the liquid crystal display panel so as to enable the liquid crystal display panel to display images. Wherein, this liquid crystal disply panel includes: an upper substrate and a lower substrate oppositely bonded into a box, wherein the lower substrate comprises a box forming area overlapped with the upper substrate and a step area provided with an integrated circuit and a connecting terminal; the upper polaroid is attached to one side of the upper substrate, which is far away from the lower substrate; and the lower polarizer is attached to one side of the lower substrate, which is far away from the upper substrate. The lower polarizer comprises an auxiliary part which is correspondingly attached to the step area of the lower substrate, so that the step area of the lower substrate and the corners of the step area can be reinforced, and the probability of fragment is reduced.
The liquid crystal display panel comprises an array substrate and a color film substrate which are oppositely arranged, and a liquid crystal layer is arranged between the array substrate and the color film substrate. And a lower polarizer is arranged on one surface of the array substrate, which is far away from the liquid crystal layer, and an upper polarizer is arranged on one surface of the color film substrate, which is far away from the liquid crystal layer.
The backlight module comprises a reflector plate, a light guide plate and an optical film group, wherein the reflector plate, the light guide plate and the optical film group are arranged in a rubber frame in a laminated mode, a light source module is arranged on the side face of the light guide plate, the light emitting face of the light source module corresponds to the light incident face of the light guide plate, the light source module is electrically connected with the flexible printed circuit board for backlight, and a backlight control signal is sequentially provided for the light source module through the main flexible printed circuit board and the flexible printed circuit board for backlight to control the light source module to.
Fig. 2 is a schematic diagram of a liquid crystal display module according to an embodiment of the invention, fig. 3 is a top view of front and back sides of the liquid crystal display module shown in fig. 2, wherein the left side of fig. 3 is a top view of the front side of the liquid crystal display panel, i.e., the side facing away from the backlight module, and the right side of fig. 3 is a top view of the back side of the liquid crystal display panel, i.e., the side facing toward the backlight module. As shown in fig. 2 and fig. 3, the liquid crystal display module according to the present embodiment includes a liquid crystal display panel and a backlight module for providing a light source for the liquid crystal display panel. Specifically, the liquid crystal display panel includes: the upper substrate 10 and the lower substrate 20 are oppositely disposed and bonded into a box through a frame sealing adhesive, in this embodiment, the upper substrate 10 is a color film substrate, and the lower substrate 20 is an array substrate. An upper polarizer 31 is attached to a side of the upper substrate 10 away from the lower substrate 20, and a lower polarizer 32 is attached to a side of the lower substrate 20 away from the upper substrate 10. The integrated circuit 21 and the connection terminal 22 are provided on one surface of the lower substrate 20 opposite to the upper substrate 10, and the integrated circuit 21 and the flexible printed circuit board 23 are electrically connected to the connection terminal 22. Wherein the length of the side of the upper substrate 10 directed to the integrated circuit 21 is smaller than the length of the side of the lower substrate 20 directed to the integrated circuit 21, that is, the lower substrate 20 includes a box forming area 202 disposed to overlap with the upper substrate 10, and a step area 201 disposed with the integrated circuit 21 and the connection terminal 22; the liquid crystal display panel is a single area corresponding to the step area 201 of the lower substrate 20, and is not covered by the upper substrate 10.
Wherein, the area of the upper polarizer 31 is not larger than that of the upper substrate 10, and preferably, the upper polarizer can completely cover the side of the upper substrate 10 away from the lower substrate 20, and the periphery of the upper polarizer is flush with the periphery of the upper substrate 10; the lower polarizer 32 includes a main body 322 corresponding to the box forming area 202 of the lower substrate 20, and an auxiliary portion 321 corresponding to the step area 201 of the lower substrate 20, the auxiliary portion 321 covers the step area 201 of the lower substrate 20, and the position of the step area 201 where the integrated circuit 21 and the connection terminal 22 are disposed is exposed outside through an opening disposed on the auxiliary portion 321, so that the auxiliary portion 321 of the lower polarizer 32 reinforces the corners of the step area 201 and the step area 201 of the lower substrate 20, and simultaneously, the damage to the lower polarizer caused by high heat generated at the corresponding position of the integrated circuit 21 and the connection terminal 22 in the manufacturing process of the product is avoided, which affects the display effect, for example, when the flexible printed circuit board 23 is welded to the connection terminal 22, the high heat is generated. Preferably, for example, the following can be set: the distance between the side of the auxiliary portion 321 close to the integrated circuit 21 and the integrated circuit 21 is not less than 0.4 um; also, the distance between the side of the auxiliary portion 321 close to the connection terminal 22 and the connection terminal 22 is not less than 0.4 um.
The auxiliary portion 321 and the main portion 322 of the lower polarizer 32 are integrally formed.
Further, the liquid crystal display module further includes a backlight module, the lower polarizer 32 is located between the backlight module and the lower substrate 20 of the liquid crystal display panel, and the backlight module includes: a reflection sheet 42, a light guide plate 44, and an optical film group 45 which are stacked in the rubber frame 41; the rubber frame 41 is disposed around a side of the light guide plate 44, the light source module 43 is disposed on the light incident surface of the light guide plate 44, the light source module 43 may be, for example, an LED light bar, the light source module 43 is located between the rubber frame 41 and the light incident surface of the light guide plate 44, and a light emitting surface of the light source module 43 corresponds to the light incident surface of the light guide plate 44. The glue frame 41 is provided with a platform for supporting the liquid crystal display panel, and in order to prevent light leakage at the edge, a light shielding film 46 may be further disposed between the liquid crystal display panel and the glue frame 41, and the light shielding film 46 may be, for example, a light shielding double-sided tape, for adhering and fixing the liquid crystal display panel to the backlight module.
The liquid crystal display module that this embodiment provided is provided with the auxiliary part on the polaroid under, corresponds the step district of attached in infrabasal plate, can play the reinforcement effect to the step district of infrabasal plate and the corner in step district, reduces the broken piece probability, is provided with the opening simultaneously in the auxiliary part, is corresponding to the position at integrated circuit and connecting terminal place, avoids the high fever that integrated circuit and connecting terminal correspond position department and produce to cause the damage to the polaroid down in the product manufacture process, influences the display effect.
Fig. 4 is a schematic view of another liquid crystal display module according to an embodiment of the invention, fig. 5 is a schematic view of a lower polarizer in the liquid crystal display module shown in fig. 4, fig. 6 is a partially exploded perspective view of the liquid crystal display module shown in fig. 4, and referring to fig. 4-6, the liquid crystal display module according to the embodiment includes a liquid crystal display panel and a backlight module for providing a light source for the liquid crystal display panel. Specifically, the liquid crystal display panel includes: the upper substrate 10 and the lower substrate 20 are oppositely disposed and bonded into a box through a frame sealing adhesive, in this embodiment, the upper substrate 10 is a color film substrate, and the lower substrate 20 is an array substrate. An upper polarizer 31 is attached to a side of the upper substrate 10 away from the lower substrate 20, and a lower polarizer 32 is attached to a side of the lower substrate 20 away from the upper substrate 10. The integrated circuit 21 and the connection terminal 22 are provided on one surface of the lower substrate 20 opposite to the upper substrate 10, and the integrated circuit 21 and the flexible printed circuit board 23 are electrically connected to the connection terminal 22. Wherein the length of the side of the upper substrate 10 directed to the integrated circuit 21 is smaller than the length of the side of the lower substrate 20 directed to the integrated circuit 21, that is, the lower substrate 20 includes a box forming area 202 disposed to overlap with the upper substrate 10, and a step area 201 disposed with the integrated circuit 21 and the connection terminal 22; the liquid crystal display panel is a single area corresponding to the step area 201 of the lower substrate 20, and is not covered by the upper substrate 10.
The lower polarizer 32 includes a main body 322 corresponding to the box forming area 202 of the lower substrate 20, and an auxiliary portion 321 corresponding to the step area 201 of the lower substrate 20, the auxiliary portion 321 includes a protruding leg 321a and a protruding leg 321b extending from two side edges of the main body 322, the protruding leg 321a and the protruding leg 321b are in a shape of a long strip, and ends of the long strip protruding leg 321a and the long strip protruding leg 321b cover two corners of the step area 201 far away from the box forming area 202, so as to reinforce corners of the step area 201, and reduce the probability of breaking the single area of the liquid crystal display module.
Further, in consideration of the generation of high heat when, for example, soldering the flexible printed circuit board 23 to the connection terminal 22, the liquid crystal display panel provided in the present embodiment may be configured such that the step area 201 is provided with the integrated circuit 21 and the connection terminal 22 in a position within the space formed by the main body portion 322, the projecting leg 321a and the projecting leg 321 b: the distance between the side edges of the protruding legs 321a and 321b close to the integrated circuit 21 and the integrated circuit 21 is not less than 0.4 um; also, the distance between the side edges of the projecting legs 321a and 321b near the connection terminal 22 and the connection terminal 22 is not less than 0.4 um. When the convex feet 321a and 321b reinforce the corners of the step area, the damage to the lower polarizer caused by high heat generated at the corresponding positions of the integrated circuit and the connecting terminal in the manufacturing process of the product is avoided, and the display effect is not affected.
Preferably, the protruding legs 321a and 321b of the lower polarizer 32 are integrally formed with the main body 322.
Further, the liquid crystal display module further includes a backlight module, the lower polarizer 32 is located between the backlight module and the lower substrate 20 of the liquid crystal display panel, and the backlight module includes: a reflection sheet 42, a light guide plate 44, and an optical film group 45 which are stacked in the rubber frame 41; the rubber frame 41 is disposed around a side of the light guide plate 44, the light source module 43 is disposed on the light incident surface of the light guide plate 44, the light source module 43 may be, for example, an LED light bar, the light source module 43 is located between the rubber frame 41 and the light incident surface of the light guide plate 44, and a light emitting surface of the light source module 43 corresponds to the light incident surface of the light guide plate 44. In addition, in the liquid crystal display module provided in this embodiment, the light source module 43 corresponds to the space formed by the main body 322, the protruding leg 321a and the protruding leg 321b, so as to avoid the heat generated by the light source module 43 from damaging the lower polarizer and affecting the display effect during the use of the product.
Further, a platform for supporting the liquid crystal display panel is disposed on the rubber frame 41, and in order to prevent light leakage at the edge, a light shielding film 46 may be disposed between the liquid crystal display panel and the rubber frame 41, and the light shielding film 46 may be, for example, a double-sided tape, and is configured to adhere and fix the liquid crystal display panel to the backlight module.
Further, strip-shaped grooves 411 are formed in two sides of the platform on the rubber frame 41 and used for accommodating the protruding legs 321a and 321b, and after the liquid crystal display panel and the backlight module are bonded and fixed, the protruding legs 321a and 321b are embedded in the grooves 411, so that the overall thickness and flatness of the liquid crystal display module cannot be affected by the existence of the protruding legs 321a and 321b, the stability of the liquid crystal display panel and the backlight module after being fixed is improved, and the liquid crystal display module is light and thin.
Fig. 7 is a schematic view of another lower polarizer according to an embodiment of the present invention, and referring to fig. 7, a liquid crystal display module provided in this embodiment is similar to the liquid crystal display modules shown in fig. 4-6, and includes a liquid crystal display panel and a backlight module for providing a light source for the liquid crystal display panel. Wherein, this liquid crystal disply panel includes: the upper substrate and the lower substrate are oppositely arranged and bonded into the box through the sealing frame glue. An upper polarizer is attached to a side of the upper substrate away from the lower substrate, and a lower polarizer 32 is attached to a side of the lower substrate away from the upper substrate. The integrated circuit and the connecting terminal are respectively arranged on one surface of the lower substrate opposite to the upper substrate, and the integrated circuit and the flexible printed circuit board are respectively electrically connected with the connecting terminal. The lower substrate includes a box forming region disposed to overlap the upper substrate, and a step region provided with an integrated circuit and a connection terminal.
The lower polarizer 32 includes a main body 322 corresponding to the box forming area of the lower substrate, and an auxiliary portion 321 corresponding to the step area of the lower substrate, the auxiliary portion 321 includes a protruding leg 321a 'and a protruding leg 321b' extending from two side edges of the main body 322, the protruding legs 321a 'and 321b' are L-shaped, and the ends of the L-shaped protruding legs 321a 'and 321b' cover two corners of the step area far away from the box forming area, so as to reinforce the corners of the step area and reduce the probability of breaking the single area of the liquid crystal display module.
Further, in consideration of the generation of high heat, for example, when soldering the flexible printed circuit board 23 to the connection terminals, the liquid crystal display panel provided in the present embodiment has a stepped region in which the integrated circuit and the connection terminals are disposed in a space formed by the main body portion 322, the projecting leg 321a 'and the projecting leg 321 b'. When the convex feet 321a 'and 321b' reinforce the corners of the step area, the damage to the lower polarizer caused by the heat generated at the corresponding positions of the integrated circuit and the connecting terminal in the manufacturing process of the product is avoided, and the display effect is not affected.
Preferably, the L-shaped protruding leg 321a 'and the L-shaped protruding leg 321b' of the lower polarizer 32 are integrally formed with the main body 322.
Further, in consideration of the fact that the light source module 43 in the backlight module generates high heat during the continuous light emitting process, so that the temperature of the structure close to the light source module 43 is increased, in the liquid crystal display module provided in this embodiment, the light source module 43 corresponds to the space formed by the main body portion 322, the protruding leg 321a 'and the protruding leg 321b', and the heat generated by the light source module 43 during the use of the product is prevented from damaging the lower polarizer and affecting the display effect.
Furthermore, the two sides of the platform on the rubber frame of the backlight module are provided with L-shaped grooves matched with the L-shaped convex feet 321a 'and the L-shaped convex feet 321b' for accommodating the convex feet 321a 'and the convex feet 321b', and after the liquid crystal display panel is bonded and fixed with the backlight module, the convex feet 321a 'and the convex feet 321b' are embedded in the L-shaped grooves, so that the existence of the convex feet 321a 'and the convex feet 321b' does not influence the overall thickness and flatness of the liquid crystal display module, the stability of the liquid crystal display panel after being fixed with the backlight module is improved, and the liquid crystal display module is lightened and thinned.
The L-shaped convex foot is arranged, so that the area of the auxiliary part of the lower polaroid for reinforcing the step area can be increased as much as possible while the whole thickness and flatness of the liquid crystal display module are not influenced by better heat-generating components such as an integrated circuit, a connecting terminal and a light source module, the reinforcing effect on the step area is improved, the reinforcing effect on the corner position of the step area is especially improved, and the fragment probability of the liquid crystal display module in the single-chip area is further reduced.
The liquid crystal display module comprises a liquid crystal display panel and a backlight module, wherein the liquid crystal display panel is arranged on the backlight module, and the backlight module provides a display light source for the liquid crystal display panel so that the liquid crystal display panel can display images. Wherein, this liquid crystal disply panel includes: an upper substrate and a lower substrate oppositely bonded into a box, wherein the lower substrate comprises a box forming area overlapped with the upper substrate and a step area provided with an integrated circuit and a connecting terminal; the upper polaroid is attached to one side of the upper substrate, which is far away from the lower substrate; and the lower polarizer is attached to one side of the lower substrate, which is far away from the upper substrate. The lower polarizer comprises an auxiliary part, and further, the auxiliary part can be a long-strip-shaped convex foot or an L-shaped convex foot, is correspondingly attached to the step area of the lower substrate, can reinforce the step area of the lower substrate, particularly the corner of the step area, and reduces the probability of breaking.
In addition, the embodiment of the invention also provides a display device, which comprises the liquid crystal display module, wherein the display device can be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display widget, a notebook computer, a digital photo frame, a navigator and the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (9)

1. The utility model provides a liquid crystal display module assembly, includes the liquid crystal display panel, the liquid crystal display panel includes:
an upper substrate;
the lower substrate is arranged opposite to the upper substrate and comprises a box forming area and a step area, wherein the box forming area is overlapped with the upper substrate, and the step area is provided with an integrated circuit and a connecting terminal;
the upper polaroid is attached to one side of the upper substrate, which is far away from the lower substrate;
the lower polarizer is attached to one side of the lower substrate, which is far away from the upper substrate;
the method is characterized in that: the lower polarizer comprises an auxiliary part corresponding to the step area of the lower substrate;
the auxiliary portion covers the step area of the lower substrate, and is provided with an opening corresponding to the position of the integrated circuit and the connecting terminal.
2. The liquid crystal display module according to claim 1, wherein the liquid crystal display module further comprises a backlight module, and the lower polarizer is located between the backlight module and the lower substrate;
the backlight module includes:
a light guide plate;
the rubber frame is arranged around the side edge of the light guide plate;
and the light source module is positioned between the rubber frame and the light incident surface of the light guide plate.
3. The liquid crystal display module of claim 2, wherein the lower polarizer further comprises a body portion corresponding to the cell forming region of the lower substrate;
the auxiliary part comprises convex feet extending from two side edges of the main body part, and the light source module corresponds to the position between the two convex feet.
4. The liquid crystal display module according to claim 3, wherein the protruding leg has an elongated shape, and the end of the protruding leg covers two corners of the step region far from the cell forming region.
5. The LCD module of claim 3, wherein the protruding leg is L-shaped and covers two corners of the step area away from the cell forming area.
6. The LCD module as claimed in claim 4 or 5, wherein the frame is provided with a platform for supporting the LCD panel, and the platform is provided with a groove adapted to the convex leg of the lower polarizer.
7. The liquid crystal display module of claim 1, further comprising a flexible printed circuit board connected to the integrated circuit through the connection terminal.
8. The liquid crystal display module of claim 1, wherein the distance between the side of the auxiliary portion close to the integrated circuit and the integrated circuit is not less than 0.4 um;
the auxiliary portion is close to the side of the connecting terminal and the distance between the connecting terminals is not less than 0.4 um.
9. A display device, comprising the liquid crystal display module according to any one of claims 1 to 8.
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CN108957840B (en) * 2018-08-21 2021-09-21 京东方科技集团股份有限公司 Display module, display device, polarizer and preparation method thereof
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CN111965885B (en) * 2020-08-26 2022-12-20 Oppo(重庆)智能科技有限公司 Display panel, display device, and electronic apparatus
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