CN215357897U

CN215357897U - Grinding and cleaning waterproof platform before laser stripping of OLED and substrate

Info

Publication number: CN215357897U
Application number: CN202121314629.5U
Authority: CN
Inventors: 高军鹏; 康宏刚; 李世杰; 张立文
Original assignee: Shenzhen Etmade Automatic Equipment Co Ltd
Current assignee: Shenzhen Etmade Automatic Equipment Co Ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-31
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a grinding and cleaning waterproof platform before laser stripping of an OLED (organic light emitting diode) and a substrate, which comprises a grinding carrying platform and an FPC (flexible printed circuit) waterproof assembly, wherein the grinding carrying platform is horizontally arranged; the FPC waterproof assembly is arranged on one side of the grinding carrying platform; an OLED substrate to be ground is placed on the grinding carrying platform, and an FPC connected to one side of the OLED substrate extends into the FPC waterproof assembly and is supported by the FPC waterproof assembly; the FPC waterproof assembly covers and protects the FPC, and high-pressure gas is blown out through two air vents arranged between the grinding carrying platform and the FPC waterproof assembly in parallel to form an inner oblique air curtain and an outer straight air curtain so as to block a space between the grinding carrying platform and the FPC waterproof assembly and prevent substances of the OLED substrate from entering the FPC when the OLED substrate is ground on the grinding carrying platform. The utility model effectively realizes the protection and isolation of the FPC during grinding through the functions of turning over covering protection and double-layer air curtain blocking.

Description

Grinding and cleaning waterproof platform before laser stripping of OLED and substrate

Technical Field

The utility model relates to the field of automation equipment, in particular to a grinding, cleaning and waterproof platform before laser stripping of an OLED (organic light emitting diode) and a substrate.

Background

In the field of flat panel display device production equipment, related parts comprise a glass substrate, a cover plate, an FPC (flexible printed circuit) and various optical films, and when the processes of assembling, adhering and the like of the parts of the flat panel display device are carried out, a pre-processing process is required. Such as a cleaning process, is an essential front-end process for assembling and bonding flat panel display devices, and is used for cleaning the surface of a screen.

In the production process of an OLED screen, a layer of interlayer adhesive is arranged between an OLED and an upper substrate, the interlayer adhesive needs to be stripped and removed by adopting laser, the laser irradiates the surface of the substrate, penetrates through the substrate and then is irradiated onto the interlayer adhesive, and the adhesive layer stripping function is realized. In order to ensure that the laser can effectively penetrate through the substrate and reduce the blocking situation caused by impurities on the surface of the substrate, the surface of the substrate needs to be cleaned before laser stripping. Because the sundries adhered to the surface of the substrate are difficult to remove, the commonly adopted process is grinding and cleaning, namely, the grinding disc is tightly attached to the surface of the substrate, the surface of the substrate is ground through the rotation of the grinding disc, and the sundries are separated from the surface of the substrate and then are removed. Because the side part of the OLED is connected with the FPC, substances such as water vapor and the like during grinding fall onto the FPC in a sputtering mode in the grinding and cleaning process by adopting the traditional grinding and cleaning process, and the inner circuit of the FPC can be corroded, so that the FPC needs to be isolated and protected in the grinding process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art, and provides a polishing and cleaning waterproof platform before laser stripping of an OLED (organic light emitting diode) and a substrate, wherein the protection and isolation of the FPC during polishing are effectively realized through the functions of turnover covering protection and double-layer air curtain blocking.

The technical scheme adopted by the utility model is as follows: a grinding and cleaning waterproof platform before laser stripping of an OLED (organic light emitting diode) and a substrate comprises a grinding carrying platform and an FPC (flexible printed circuit) waterproof assembly, wherein the grinding carrying platform is horizontally arranged; the FPC waterproof assembly is arranged on one side of the grinding carrying platform; an OLED substrate to be ground is placed on the grinding carrying platform, and an FPC connected to one side of the OLED substrate extends into the FPC waterproof assembly and is supported by the FPC waterproof assembly; the FPC waterproof assembly covers and protects the FPC, and high-pressure gas is blown out through two air vents arranged between the grinding carrying platform and the FPC waterproof assembly in parallel to form an inner oblique air curtain and an outer straight air curtain so as to block a space between the grinding carrying platform and the FPC waterproof assembly and prevent substances of the OLED substrate from entering the FPC when the OLED substrate is ground on the grinding carrying platform.

Preferably, the grinding carrier comprises a carrier support, a carrier suction plate and carrier suction holes, wherein the carrier support is horizontally arranged, the carrier suction plate comprises at least two blocks, and the carrier suction plate is horizontally arranged on the carrier support; the carrier suction holes comprise at least two, the carrier suction holes are distributed on the carrier suction plate, the carrier suction holes form vacuum negative pressure suction areas in the horizontal plane where the carrier suction plate is located according to the OLED substrate, and the work of the carrier suction holes in different positions is controlled, so that the vacuum negative pressure suction areas can be used for compatibly sucking horizontal screens or vertical screens.

Preferably, the FPC waterproof assembly includes an FPC holder, a flip protection member, an FPC holder, and a blocking member, wherein the FPC holder is horizontally arranged close to the outer side of the carrier holder; the FPC supporting platform is horizontally arranged in the middle of the FPC bracket, and the FPC connected with the side edge of the OLED substrate is horizontally supported by the FPC supporting platform; the turnover protection component is arranged at the outer side of the FPC branch table and turns over above the FPC branch table so as to cover and protect the FPC; the blocking component is arranged on the inner side of the FPC supporting platform, and water vapor is sputtered to the FPC supporting platform when the blocking component is used for polishing the OLED substrate on the air curtain blocking carrying platform suction plate through the step difference surface.

Preferably, the turnover protection component comprises a turnover motor, a rotating shaft, a connecting seat and a cover plate, wherein the turnover motor is arranged at the outer side of the FPC bracket, and the output end of the turnover motor is arranged towards the side edge of the FPC bracket; the rotating shaft is arranged on the outer side of the FPC support along the side edge direction of the FPC support and is connected with the output end of the turnover motor, and the turnover motor drives the rotating shaft to rotate; the connecting seats comprise at least two connecting seats, and the connecting seats are detachably sleeved and fixed on the rotating shaft; one side of the cover plate is fixed on the connecting seat, the bottom surface of the cover plate is provided with a surrounding strip extending along the side edge direction, and the surrounding strip is opened at the position corresponding to the inner side edge of the cover plate; the turnover motor drives the cover plate to rotate through the driving rotating shaft.

Preferably, the blocking component comprises a blocking support, a blocking inclined plane, blocking air holes and air holes, wherein the blocking support is arranged on the inner side of the FPC support at intervals in parallel, and the height of the blocking support is higher than that of the FPC support; the blocking inclined plane is arranged on the inner side of the blocking support platform and extends downwards from outside to inside in an inclined manner; the blocking air holes are uniformly arranged on the blocking inclined plane at intervals, and each blocking air hole blows high-pressure air in the direction perpendicular to the blocking inclined plane to form an inclined air curtain so as to block water vapor sputtered from the carrier suction plate; a strip-shaped groove is formed between the blocking support and the FPC support; the air holes are uniformly arranged in the strip-shaped grooves at intervals and form a straight air curtain in the vertical direction.

The utility model has the beneficial effects that:

the utility model provides an OLED and substrate grinding and cleaning waterproof platform which is innovated aiming at the defects and shortcomings of the prior art and effectively realizes protection and isolation of FPC during grinding through the functions of turnover covering protection and double-layer air curtain blocking. The utility model is designed originally aiming at the requirement that the FPC of the OLED needs to be protected and isolated when a substrate is ground, and the whole device comprises a grinding linear module, a grinding carrying platform and an FPC waterproof assembly, wherein the grinding carrying platform is arranged on the grinding linear module and is driven by the grinding linear module to move linearly, carrying platform suction holes are uniformly distributed on a carrying platform suction plate of the grinding carrying platform, the carrying platform suction holes form a vacuum negative pressure suction area on the carrying platform suction plate, and the size of the vacuum negative pressure suction area can be adjusted in real time by controlling the working of the carrying platform suction holes at different positions, so that the device can meet the suction requirements of a vertically placed vertical screen or a horizontally placed horizontal screen or screens with different sizes. The outside of microscope carrier suction disc is equipped with FPC waterproof assembly, and FPC waterproof assembly uses the FPC support as bearing structure, and the middle part position of FPC support is equipped with FPC and props up a platform as FPC bearing structure, and the outside of FPC props up the platform is equipped with upset protection part, and the inboard of FPC props up the platform is equipped with the separation part. The turnover protection component takes a turnover motor arranged on the side part of the FPC support as a power structure, the turnover motor drives a cover plate connected to the turnover protection component through a connecting seat to rotate through a driving rotating shaft, so that the cover plate rotates from the outer side to the inner side, the FPC on the FPC supporting table is covered and protected from the upper side, and in order to improve the isolation protection effect, a convex strip-shaped surrounding strip is arranged on the side edge of the bottom surface of the cover plate. The blocking component is arranged on the inner side of the FPC branch table at intervals in parallel, the height of the blocking branch table is higher than that of the FPC branch table and is used as a structural support, and physical blocking is formed through the step difference of the blocking branch table; meanwhile, the inner side of the separation support platform is also provided with a separation inclined plane which slants from outside to inside and extends downwards, the separation inclined plane is provided with a row of separation air holes which are uniformly arranged at intervals, the separation air holes form an inclined air curtain structure in a mode of jetting high-pressure air in a direction vertical to the separation inclined plane, and the first layer of separation of the space between the FPC support platform and the grinding carrier platform is realized through the inclined air curtain; in addition, an inwards sunken strip-shaped groove is formed between the blocking step and the FPC supporting platform, a row of air holes which are uniformly arranged at intervals are arranged in the strip-shaped groove, high-pressure air is upwards blown out of the air holes along the vertical direction to form a layer of direct air curtain structure, and second-layer blocking of the space between the FPC supporting platform and the grinding carrying platform is achieved through the direct air curtain. The double-layer air curtain separation mode realizes double-layer separation of the space on the premise of not generating FPC movement interference, and can effectively separate water vapor or other substances generated during grinding from splashing on the FPC on the grinding carrying platform, so that the FPC is etched.

Drawings

Fig. 1 is a schematic perspective view of a polishing carrier according to one embodiment of the present invention.

Fig. 2 is a second schematic perspective view of the polishing carrier according to the present invention.

Fig. 3 is a third schematic perspective view of the polishing carrier of the present invention.

Fig. 4 is a schematic perspective view of the FPC waterproof assembly of the present invention.

FIG. 5 is a second schematic perspective view of the FPC waterproofing assembly according to the present invention.

Fig. 6 is an enlarged schematic view of the structure at the point I in fig. 4.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 6, the technical solution adopted by the present invention is as follows: a grinding and cleaning waterproof platform before laser stripping of an OLED (organic light emitting diode) and a substrate comprises a grinding carrying platform 72 and an FPC (flexible printed circuit) waterproof assembly 73, wherein the grinding carrying platform 72 is horizontally arranged; the FPC waterproof assembly 73 is provided on one side of the polishing stage 72; an OLED substrate to be ground is placed on the grinding carrying platform 72, and an FPC connected to one side of the OLED substrate extends into the FPC waterproof assembly 73 and is supported by the FPC waterproof assembly 73; the FPC waterproof assembly 73 covers and protects the FPC, and high-pressure gas is blown out through two vent holes arranged in parallel between the polishing carrier 72 and the FPC waterproof assembly 73 to form an inner oblique air curtain and an outer straight air curtain, so as to block a space between the polishing carrier 72 and the FPC waterproof assembly 73 and prevent substances of the OLED substrate during polishing on the polishing carrier 72 from entering the FPC.

The grinding carrier 72 comprises a carrier support, a carrier suction plate 721 and a carrier suction hole 722, wherein the carrier support is horizontally arranged, the carrier suction plate 721 comprises at least two pieces, and the carrier suction plate 721 is horizontally arranged on the carrier support; the carrier suction holes 722 are arranged on the carrier suction plate 721, the carrier suction holes 722 form vacuum negative pressure suction areas in the horizontal plane where the carrier suction plate 721 is located according to the OLED substrate, and the vacuum negative pressure suction areas can be used for compatibly sucking a horizontal screen or a vertical screen by controlling the carrier suction holes 722 at different positions to work.

The FPC waterproof assembly 73 includes an FPC holder 730, a flip protection member, an FPC holder 736, and a blocking member, wherein the FPC holder 730 is horizontally disposed close to the outer side of the carrier holder; the FPC supporting table 736 is horizontally arranged in the middle of the FPC bracket 730, and the FPC connected with the side edge of the OLED substrate is horizontally supported by the FPC supporting table 736; the above-mentioned flip protection member is disposed outside the FPC stand 736 and flip-moves above the FPC stand 736 so as to cover and protect the FPC; the blocking component is arranged on the inner side of the FPC supporting table 736, and water vapor is sputtered to the FPC supporting table 736 when the OLED substrate on the air curtain blocking carrying table suction plate 721 is ground through the step difference surface.

The turnover protection component comprises a turnover motor 731, a rotating shaft 732, a connecting seat 733 and a cover plate 734, wherein the turnover motor 731 is arranged on the outer side of the FPC bracket 730, and the output end of the turnover motor 731 is arranged towards the side direction of the FPC bracket 730; the rotating shaft 732 is arranged outside the FPC holder 730 along the side direction of the FPC holder 730 and connected with the output end of the turnover motor 731, and the turnover motor 731 drives the rotating shaft 732 to rotate; the connecting seat 733 includes at least two, and the connecting seat 733 is detachably fixed on the rotating shaft 732 in a sleeved manner; one side of the cover plate 734 is fixed on the connection seat 733, the bottom surface of the cover plate 734 is provided with a surrounding strip extending along the side direction, and the surrounding strip is opened at the position corresponding to the inner side edge of the cover plate 734; the flipping motor 731 drives the cover 734 to rotate by driving the rotating shaft 732.

The blocking part comprises blocking supports 737, blocking inclined planes 738, blocking air holes 739 and air holes 7310, wherein the blocking supports 737 are arranged on the inner side of the FPC supports 736 in parallel at intervals, and the height of the blocking supports 737 is higher than that of the FPC supports 736; the blocking inclined plane 738 is arranged on the inner side of the blocking support 737, and the blocking inclined plane 738 extends downwards from outside to inside in an inclined mode; the blocking air holes 739 include at least two, the blocking air holes 739 are uniformly arranged on the blocking inclined plane 738 at intervals, and each blocking air hole 739 blows high-pressure air in a direction perpendicular to the blocking inclined plane 738 to form an inclined air curtain so as to block water vapor sputtered from the carrier suction plate 721; a strip-shaped groove is formed between the blocking support 737 and the FPC support 736; the air holes 7310 include at least two air holes 7310, the air holes 7310 are uniformly spaced in the strip groove, and the air holes 7310 form a straight air curtain along a vertical direction.

Furthermore, the utility model designs the grinding and cleaning waterproof platform before the laser stripping of the OLED and the substrate, which effectively realizes the protection and the isolation of the FPC during grinding through the functions of turnover covering protection and double-layer air curtain blocking. The utility model is designed originally aiming at the requirement that the FPC of the OLED needs to be protected and isolated when a substrate is ground, and the whole device comprises a grinding linear module, a grinding carrying platform and an FPC waterproof assembly, wherein the grinding carrying platform is arranged on the grinding linear module and is driven by the grinding linear module to move linearly, carrying platform suction holes are uniformly distributed on a carrying platform suction plate of the grinding carrying platform, the carrying platform suction holes form a vacuum negative pressure suction area on the carrying platform suction plate, and the size of the vacuum negative pressure suction area can be adjusted in real time by controlling the working of the carrying platform suction holes at different positions, so that the device can meet the suction requirements of a vertically placed vertical screen or a horizontally placed horizontal screen or screens with different sizes. The outside of microscope carrier suction disc is equipped with FPC waterproof assembly, and FPC waterproof assembly uses the FPC support as bearing structure, and the middle part position of FPC support is equipped with FPC and props up a platform as FPC bearing structure, and the outside of FPC props up the platform is equipped with upset protection part, and the inboard of FPC props up the platform is equipped with the separation part. The turnover protection component takes a turnover motor arranged on the side part of the FPC support as a power structure, the turnover motor drives a cover plate connected to the turnover protection component through a connecting seat to rotate through a driving rotating shaft, so that the cover plate rotates from the outer side to the inner side, the FPC on the FPC supporting table is covered and protected from the upper side, and in order to improve the isolation protection effect, a convex strip-shaped surrounding strip is arranged on the side edge of the bottom surface of the cover plate. The blocking component is arranged on the inner side of the FPC branch table at intervals in parallel, the height of the blocking branch table is higher than that of the FPC branch table and is used as a structural support, and physical blocking is formed through the step difference of the blocking branch table; meanwhile, the inner side of the separation support platform is also provided with a separation inclined plane which slants from outside to inside and extends downwards, the separation inclined plane is provided with a row of separation air holes which are uniformly arranged at intervals, the separation air holes form an inclined air curtain structure in a mode of jetting high-pressure air in a direction vertical to the separation inclined plane, and the first layer of separation of the space between the FPC support platform and the grinding carrier platform is realized through the inclined air curtain; in addition, an inwards sunken strip-shaped groove is formed between the blocking step and the FPC supporting platform, a row of air holes which are uniformly arranged at intervals are arranged in the strip-shaped groove, high-pressure air is upwards blown out of the air holes along the vertical direction to form a layer of direct air curtain structure, and second-layer blocking of the space between the FPC supporting platform and the grinding carrying platform is achieved through the direct air curtain. The double-layer air curtain separation mode realizes double-layer separation of the space on the premise of not generating FPC movement interference, and can effectively separate water vapor or other substances generated during grinding from splashing on the FPC on the grinding carrying platform, so that the FPC is etched.

The embodiments of the present invention are merely illustrative of specific embodiments thereof, and are not intended to limit the scope thereof. Since the present invention can be modified by a person skilled in the art, the present invention is not limited to the embodiments described above.

Claims

1. The utility model provides a grind and wash waterproof platform before OLED peels off with base plate laser which characterized in that: the device comprises a grinding carrying platform (72) and an FPC waterproof assembly (73), wherein the grinding carrying platform (72) is horizontally arranged; the FPC waterproof assembly (73) is arranged on one side of the grinding carrying platform (72); an OLED substrate to be ground is placed on the grinding carrying platform (72), and an FPC connected to one side of the OLED substrate extends into the FPC waterproof assembly (73) and is supported by the FPC waterproof assembly (73); the FPC waterproof component (73) covers and protects the FPC, and high-pressure gas is blown out through two air vents which are arranged between the grinding carrying platform (72) and the FPC waterproof component (73) in parallel to form an inner oblique air curtain and an outer straight air curtain so as to block a space between the grinding carrying platform (72) and the FPC waterproof component (73) and prevent substances of the OLED substrate from entering the FPC when the OLED substrate is ground on the grinding carrying platform (72).

2. The pre-laser-lift-off grinding and cleaning waterproof platform for the OLED and the substrate according to claim 1, wherein: the grinding carrier (72) comprises a carrier support, a carrier suction plate (721) and carrier suction holes (722), wherein the carrier support is horizontally arranged, the carrier suction plate (721) comprises at least two blocks, and the carrier suction plate (721) is horizontally arranged on the carrier support; the carrier suction holes (722) are arranged on the carrier suction plate (721), the carrier suction holes (722) form vacuum negative pressure suction areas in the horizontal plane where the carrier suction plate (721) is located according to the OLED substrate, and the vacuum negative pressure suction areas can be used for compatibly sucking a horizontal screen or a vertical screen by controlling the carrier suction holes (722) at different positions to work.

3. The pre-laser-lift-off grinding and cleaning waterproof platform for the OLED and the substrate according to claim 2, wherein: the FPC waterproof assembly (73) comprises an FPC support (730), a turnover protection component, an FPC support (736) and a blocking component, wherein the FPC support (730) is horizontally arranged close to the outer side of the carrier support; the FPC supporting table (736) is horizontally arranged in the middle of the FPC support (730), and an FPC connected with the side edge of the OLED substrate is horizontally supported by the FPC supporting table (736); the turnover protection component is arranged at the outer side of the FPC branch table (736) and turns over above the FPC branch table (736) so as to cover and protect the FPC; the blocking component is arranged on the inner side of the FPC branch table (736), and water vapor is sputtered to the FPC branch table (736) when the OLED substrate on the air curtain blocking carrying table suction plate (721) is ground through a step difference surface.

4. The pre-laser-lift-off grinding and cleaning waterproof platform for the OLED and the substrate according to claim 3, wherein: the turnover protection component comprises a turnover motor (731), a rotating shaft (732), a connecting seat (733) and a cover plate (734), wherein the turnover motor (731) is arranged on the outer side of the FPC support (730), and the output end of the turnover motor is arranged towards the side direction of the FPC support (730); the rotating shaft (732) is arranged on the outer side of the FPC support (730) along the side direction of the FPC support (730) and is connected with the output end of the turnover motor (731), and the turnover motor (731) drives the rotating shaft (732) to rotate; the connecting seats (733) comprise at least two, and the connecting seats (733) are detachably sleeved and fixed on the rotating shaft (732); one side of the cover plate (734) is fixed on the connecting seat (733), the bottom surface of the cover plate (734) is provided with a surrounding strip extending along the side direction, and the surrounding strip is opened at the position corresponding to the inner side edge of the cover plate (734); the overturning motor (731) drives the cover plate (734) to rotate through driving the rotating shaft (732).

5. The pre-laser-lift-off grinding and cleaning waterproof platform for the OLED and the substrate according to claim 3, wherein: the blocking part comprises blocking support platforms (737), blocking inclined planes (738), blocking air holes (739) and air holes (7310), wherein the blocking support platforms (737) are parallelly arranged on the inner side of the FPC support platform (736) at intervals, and the height of the blocking support platforms (737) is higher than that of the FPC support platform (736); the blocking inclined plane (738) is arranged on the inner side of the blocking support platform (737), and the blocking inclined plane (738) extends downwards from outside to inside in an inclined mode; the blocking air holes (739) are arranged on the blocking inclined plane (738) at uniform intervals, and each blocking air hole (739) blows out high-pressure air along the direction vertical to the blocking inclined plane (738) to form an inclined air curtain so as to block water vapor sputtered from the carrier suction plate (721); a strip-shaped groove is formed between the blocking support (737) and the FPC support (736); the air holes (7310) comprise at least two air holes, the air holes (7310) are uniformly arranged in the strip-shaped groove at intervals, and the air holes (7310) form a straight air curtain along the vertical direction.