TWI780686B - Display panel - Google Patents
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- TWI780686B TWI780686B TW110115922A TW110115922A TWI780686B TW I780686 B TWI780686 B TW I780686B TW 110115922 A TW110115922 A TW 110115922A TW 110115922 A TW110115922 A TW 110115922A TW I780686 B TWI780686 B TW I780686B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
本發明是有關於一種顯示面板,且特別是有關於一種能够適應窄邊框需求的顯示面板。The present invention relates to a display panel, and in particular to a display panel capable of adapting to narrow frame requirements.
隨著科技的發展,顯示面板被廣泛應用在許多電子産品上,如手機、平板電腦、手錶等。且窄邊框顯示面板的發展越來越迅猛。With the development of technology, display panels are widely used in many electronic products, such as mobile phones, tablet computers, watches and so on. Moreover, the development of narrow-frame display panels is becoming more and more rapid.
現有的顯示面板中,由於窄邊框的需求,下邊框也越來越窄。通常,顯示面板中會形成框膠,兩段框膠會形成重叠區域,顯示面板的兩基板進行結合時,由於下邊框越來越窄,壓合後的框膠一方面會向上溢出至顯示區域,導致顯示區域的畫素單元受到影響,另一方面會向下溢出至OLB區域,影響OLB區域中的控製電路,並對下一步上層基板的切割造成影響。In the existing display panels, due to the demand for narrow bezels, the lower bezels are becoming narrower and narrower. Usually, a frame glue is formed in the display panel, and two sections of frame glue will form an overlapping area. When the two substrates of the display panel are combined, because the lower frame is getting narrower, the laminated frame glue will overflow upwards to the display area on the one hand. , causing the pixel units in the display area to be affected, and on the other hand, it will overflow to the OLB area, affect the control circuit in the OLB area, and affect the cutting of the upper substrate in the next step.
因此,如何能更好地避免框膠在基板壓合過程中不至於産生較大的寬度差,實爲需要解决的問題之一。Therefore, how to better avoid the large width difference of the sealant during the pressing process of the substrates is actually one of the problems to be solved.
本發明的實施例提供一種顯示面板,可以更好地避免顯示面板中框膠在基板壓合過程中産生較大的寬度差,减少顯示區域及OLB區域受到溢出框膠的影響,提高産品的合格率。The embodiment of the present invention provides a display panel, which can better avoid the large width difference of the frame glue in the display panel during the substrate pressing process, reduce the impact of the overflow frame glue on the display area and the OLB area, and improve the qualification of the product Rate.
本發明一實施例的顯示面板,包括一第一基板,具有相鄰設置的一周邊區和一顯示區,該顯示區設置有多個畫素單元;一平坦層,設置於該第一基板並覆蓋該顯示區和該周邊區;一溝槽,設置於該平坦層;一第二基板,與該第一基板相對設置;一框膠,設置於該第一基板與該第二基板之間,且該框膠設置於周邊區並環繞該顯示區,該框膠包括一重叠區域;其中,該溝槽的位置與該重叠區域的位置相對應,且該溝槽於該第一基板上的投影區域與該重叠區域於該第一基板上的投影區域完全重叠。A display panel according to an embodiment of the present invention includes a first substrate, which has a peripheral area and a display area adjacently arranged, and the display area is provided with a plurality of pixel units; a flat layer is arranged on the first substrate and covers the The display area and the peripheral area; a groove disposed on the flat layer; a second substrate disposed opposite to the first substrate; a sealant disposed between the first substrate and the second substrate, and The sealant is disposed on the peripheral area and surrounds the display area, and the sealant includes an overlapping area; wherein, the position of the groove corresponds to the position of the overlapping area, and the projected area of the groove on the first substrate It completely overlaps with the projected area of the overlapping area on the first substrate.
上述的顯示面板,其中,該框膠於該重叠區域具有一第一寬度W1,該框膠於該重叠區域外具有一第二寬度W2,其中,W1>W2。In the above display panel, the sealant has a first width W1 in the overlapping area, and the sealant has a second width W2 outside the overlapping area, wherein W1>W2.
上述的顯示面板,其中,該溝槽具有一第三寬度W3,其中,50µm≤(W2-W3)≤100µm。In the above display panel, the groove has a third width W3, wherein 50µm≤(W2-W3)≤100µm.
上述的顯示面板,其中,該框膠具有一側邊部及一角部,其中,該重叠區域設置於該側邊部或設置於該角部。In the above display panel, the sealant has a side portion and a corner portion, wherein the overlapping area is disposed on the side portion or the corner portion.
上述的顯示面板,其中,該重叠區域包括一第一重叠區域,該第一重叠區域設置於該角部,該溝槽包括一第一溝槽,該第一溝槽與該第一重叠區域相對應,且該第一溝槽爲L形。In the above-mentioned display panel, wherein, the overlapping area includes a first overlapping area, the first overlapping area is disposed at the corner, the groove includes a first groove, and the first groove is opposite to the first overlapping area Correspondingly, and the first groove is L-shaped.
上述的顯示面板,其中,該第一溝槽具有一頂角,該頂角朝向該顯示區設置。In the above display panel, the first groove has a vertex angle, and the vertex angle is set towards the display area.
上述的顯示面板,其中,該重叠區域包括一第二重叠區域,該第二重叠區域設置於該側邊部,該溝槽包括一第二溝槽,該第二溝槽與該第二重叠區域相對應,其中,該第二溝槽爲長方形、橢圓形或十字形。The display panel above, wherein, the overlapping region includes a second overlapping region, the second overlapping region is disposed on the side portion, the groove includes a second groove, and the second groove and the second overlapping region Correspondingly, wherein, the second groove is rectangular, elliptical or cross-shaped.
上述的顯示面板,其中,該第一重叠區域的數量爲多個。In the above display panel, the number of the first overlapping regions is multiple.
上述的顯示面板,其中,該第二重叠區域的數量爲多個。In the above display panel, the number of the second overlapping regions is multiple.
以下結合附圖和具體實施例對本發明進行詳細描述,但不作爲對本發明的限定。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
下面結合附圖對本發明的結構原理和工作原理作具體的描述。The structural principle and working principle of the present invention will be specifically described below in conjunction with the accompanying drawings.
圖1A是本發明一實施例顯示面板的結構示意圖。圖1B是圖1A沿A-A’剖面綫的剖視圖。圖1C是圖1A沿B-B’剖面綫的剖視圖。FIG. 1A is a schematic structural diagram of a display panel according to an embodiment of the present invention. Fig. 1B is a cross-sectional view of Fig. 1A along section line A-A'. Fig. 1C is a sectional view of Fig. 1A along the section line B-B'.
如圖1A所示,顯示面板100包括第一基板101、第二基板104,第一基板101與第二基板104相對設置。於本實施例中,第一基板101具有相鄰的顯示區AA以及周邊區BA,顯示區AA中設置有多個畫素單元(圖中未示出),多個畫素單元呈陣列布置,沿著第一方向(例如X方向)排成多列,沿著第二方向(例如Y方向)排成多行。As shown in FIG. 1A , the
再結合圖1B以及圖1C所示,第一基板101上還設置有平坦層102,平坦層102覆蓋顯示區AA以及周邊區BA。第一基板101及第二基板104之間設置有框膠105,框膠105設置於周邊區BA並環繞顯示區AA設置,且框膠105中形成有重叠區域106。與重叠區域106相對應的位置,平坦層102中設置有溝槽103,且溝槽103於第一基板101上的投影區域被重叠區域106於第一基板101上的投影區域所涵蓋,即溝槽103於第一基板101上的投影區域與重叠區域106於第一基板101上的投影區域完全重叠。當第一基板101與第二基板104進行壓合時,重叠區域106中的框膠105會流至溝槽103中,溝槽103用於容納部分框膠105,使得在壓合後,重叠區域106的寬度可得到控製,不至於溢出至顯示區域和OLB區域。Referring again to FIG. 1B and FIG. 1C , a
具體的,如圖1B、1C所示,框膠105於重叠區域106具有第一寬度W1,於重叠區域106外具有第二寬度W2,其中,W1>W2。溝槽103具有第三寬度W3,其中,50µm≤(W2-W3)≤100µm。經實驗驗證,當(W2-W3)小於50µm時,因框膠製程塗布精度及膠寬控製能力影響,框膠105無法有效覆蓋,當(W2-W3)大於100µm時,由於重叠區域106的寬度W2太大,則不能滿足窄邊框的需求。Specifically, as shown in FIGS. 1B and 1C , the
圖2是本發明又一實施例顯示面板的結構示意圖。圖3是本發明顯示面板中溝槽的形狀示意圖。如圖2、圖3所示,本發明顯示面板100中的框膠105具有側邊部107及角部108,側邊部107連接角部108,重叠區域106可設置於側邊部107或設置於角部108。具體的,重叠區域106進一步包括多個第一重叠區域1061,多個第一重叠區域1061分別設置於角部108,溝槽103進一步包括多個第一溝槽1031,多個第一溝槽1031分別與多個第一重叠區域1061的位置相對應。重叠區域106進一步包括多個第二重叠區域1062,多個第二重叠區域1062設置於側邊部107,溝槽103進一步包括多個第二溝槽1032,多個第二溝槽1032與多個第二重叠區域1062的位置相對應。第一溝槽1031可設置成L形,且L形的第一溝槽1031具有頂角C,考慮到框膠105在角落弧角的覆蓋性,頂角C較佳朝向顯示區AA。第二溝槽1032可以設置成長方形、橢圓形或十字形。FIG. 2 is a schematic structural diagram of a display panel according to another embodiment of the present invention. FIG. 3 is a schematic diagram of the shape of the groove in the display panel of the present invention. As shown in FIG. 2 and FIG. 3 , the
綜上,依照本發明的實施例,由於在平坦層中設置了溝槽,溝槽可以容納部分框膠,使得重叠區域的框膠可以在壓合基板的過程中流入溝槽,避免重叠區域寬度變得較大而流入至顯示區域或OLB區域,提高産品的合格率。另外,依照本發明的實施例,搭配平坦層中設置了溝槽的設計,可根據需求布局,例如應用於超薄液晶面板、超廣色域液晶面板或車用液晶面板等,但不限於此。To sum up, according to the embodiment of the present invention, since the groove is provided in the flat layer, the groove can accommodate part of the sealant, so that the sealant in the overlapping area can flow into the groove during the process of pressing the substrate, avoiding the width of the overlapping area It becomes larger and flows into the display area or OLB area, improving the yield of products. In addition, according to the embodiments of the present invention, with the design of grooves in the flat layer, layout can be made according to requirements, for example, it can be applied to ultra-thin liquid crystal panels, ultra-wide color gamut liquid crystal panels or automotive liquid crystal panels, etc., but not limited thereto .
當然,本發明還可有其它多種實施例,在不背離本發明精神及其實質的情况下,熟悉本領域的技術人員當可根據本發明作出各種相應的改變和變形,但這些相應的改變和變形都應屬於本發明所附的請求項的保護範圍。Certainly, the present invention also can have other multiple embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding changes and All deformations shall belong to the protection scope of the appended claims of the present invention.
100:顯示面板 101:第一基板 102:平坦層 103:溝槽 1031:第一溝槽 1032:第二溝槽 104:第二基板 105:框膠 106:重叠區域 1061:第一重叠區域 1062:第二重叠區域 107:側邊部 108:角部 AA:顯示區 BA:周邊區 C:頂角 W1,W2,W3:寬度 100: display panel 101: The first substrate 102: flat layer 103: Groove 1031: the first groove 1032: the second groove 104: Second substrate 105: frame glue 106: Overlapping area 1061: The first overlapping area 1062: the second overlapping area 107: side part 108: corner AA: display area BA: Surrounding area C: top corner W1, W2, W3: width
圖1A是本發明一實施例顯示面板的結構示意圖。 圖1B是圖1A沿A-A’剖面綫的剖視圖。 圖1C是圖1A沿B-B’剖面綫的剖視圖。 圖2是本發明又一實施例顯示面板的結構示意圖。 圖3是本發明顯示面板中溝槽的形狀示意圖。 FIG. 1A is a schematic structural diagram of a display panel according to an embodiment of the present invention. Fig. 1B is a cross-sectional view of Fig. 1A along section line A-A'. Fig. 1C is a sectional view of Fig. 1A along the section line B-B'. FIG. 2 is a schematic structural diagram of a display panel according to another embodiment of the present invention. FIG. 3 is a schematic diagram of the shape of the groove in the display panel of the present invention.
100:顯示面板 100: display panel
101:第一基板 101: The first substrate
103:溝槽 103: Groove
104:第二基板 104: Second substrate
105:框膠 105: frame glue
106:重叠區域 106: Overlapping area
AA:顯示區 AA: display area
BA:周邊區 BA: Surrounding area
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TW201003193A (en) * | 2008-07-01 | 2010-01-16 | Au Optronics Corp | LCD panel and array substrate thereof |
TWI504978B (en) * | 2013-12-05 | 2015-10-21 | Innolux Corp | Liquid crystal display panel and preparation method thereof |
TWI557485B (en) * | 2014-11-20 | 2016-11-11 | 群創光電股份有限公司 | Display panel |
US20200233257A1 (en) * | 2017-07-27 | 2020-07-23 | Sharp Kabushiki Kaisha | Liquid crystal display device |
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JP4181806B2 (en) * | 2002-07-10 | 2008-11-19 | シャープ株式会社 | Printing plate, printing machine, printing method, liquid crystal device manufacturing apparatus and manufacturing method |
CN202145251U (en) * | 2011-07-22 | 2012-02-15 | 北京京东方光电科技有限公司 | Liquid crystal display panel |
CN202710882U (en) * | 2012-07-03 | 2013-01-30 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display (LCD) panel |
TWI530398B (en) * | 2014-04-29 | 2016-04-21 | 群創光電股份有限公司 | Display panel |
TWI553386B (en) * | 2014-11-12 | 2016-10-11 | 群創光電股份有限公司 | Display panels |
CN109254457A (en) * | 2014-11-12 | 2019-01-22 | 群创光电股份有限公司 | Display panel |
CN107193161A (en) * | 2017-07-28 | 2017-09-22 | 武汉华星光电技术有限公司 | Array base palte and display panel |
CN209486437U (en) * | 2018-10-31 | 2019-10-11 | 惠科股份有限公司 | Display panel and display device |
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TW201003193A (en) * | 2008-07-01 | 2010-01-16 | Au Optronics Corp | LCD panel and array substrate thereof |
TWI504978B (en) * | 2013-12-05 | 2015-10-21 | Innolux Corp | Liquid crystal display panel and preparation method thereof |
TWI557485B (en) * | 2014-11-20 | 2016-11-11 | 群創光電股份有限公司 | Display panel |
US20200233257A1 (en) * | 2017-07-27 | 2020-07-23 | Sharp Kabushiki Kaisha | Liquid crystal display device |
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