TWI754386B - Liquid crystal display device and method for making the same - Google Patents

Liquid crystal display device and method for making the same Download PDF

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TWI754386B
TWI754386B TW109132799A TW109132799A TWI754386B TW I754386 B TWI754386 B TW I754386B TW 109132799 A TW109132799 A TW 109132799A TW 109132799 A TW109132799 A TW 109132799A TW I754386 B TWI754386 B TW I754386B
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liquid crystal
crystal display
circuit
display panel
circuit substrate
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TW109132799A
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TW202210919A (en
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李炫運
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大陸商業成光電（無錫）有限公司
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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
    • 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
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels

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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

A liquid crystal display device includes: a liquid crystal display panel, a circuit substrate, a plurality of light-emitting elements, a first driving circuit, and a second driving circuit. The circuit substrate and the liquid crystal display panel are arranged oppositely, and the circuit substrate includes a first surfaces and a second surfaces opposite to the first surface. The first surface faces the liquid crystal display panel, and the second surface is away from the liquid crystal display panel. The circuit substrate includes conductive lines. The light-emitting elements are located on the first surface. The first driving circuit is located on the second surface and electrically connected to the light-emitting elements by the conductive lines. The second driving circuit is located on the second surface and electrically connected to the liquid crystal display panel. The disclosure also provides a method for making the liquid crystal display device.

Description

液晶顯示裝置及其製作方法 Liquid crystal display device and method of making the same

本發明涉及一種液晶顯示裝置及該液晶顯示裝置的製作方法。 The invention relates to a liquid crystal display device and a manufacturing method of the liquid crystal display device.

參照圖6，習知液晶顯示裝置200包括液晶顯示面板20以及為所述液晶顯示面板20提供背光的背光模組30。所述背光模組30包括一電路板31、位於電路板31上的複數發光元件32、第一驅動晶片板33以及位於所述第一驅動晶片板33上面第一驅動晶片34，且所述第一驅動晶片板33與所述電路板31電性連接，所述第一驅動晶片34用於驅動所述複數發光元件32發光。所述液晶顯示裝置200還包括第二驅動晶片板40以及位於所述第二驅動晶片板40上的第二驅動晶片50，所述第二驅動晶片板40藉由一柔性電路板60與所述液晶顯示面板20電性連接，所述第二驅動晶片50用以驅動所述液晶顯示面板20進行圖像顯示。如此，所述液晶顯示裝置200包含了承載所述複數發光元件32的電路板31、第一驅動晶片板33和第二驅動晶片板40這三塊電路板，不利於減小所述液晶顯示裝置整體的厚度。 Referring to FIG. 6 , a conventional liquid crystal display device 200 includes a liquid crystal display panel 20 and a backlight module 30 for providing backlight for the liquid crystal display panel 20 . The backlight module 30 includes a circuit board 31 , a plurality of light-emitting elements 32 on the circuit board 31 , a first driving chip board 33 , and a first driving chip 34 on the first driving chip board 33 , and the first driving chip 34 . A driving chip board 33 is electrically connected to the circuit board 31 , and the first driving chip 34 is used for driving the plurality of light-emitting elements 32 to emit light. The liquid crystal display device 200 further includes a second driving chip board 40 and a second driving chip 50 located on the second driving chip board 40 . The second driving chip board 40 is connected to the second driving chip board 40 through a flexible circuit board 60 . The liquid crystal display panel 20 is electrically connected, and the second driving chip 50 is used for driving the liquid crystal display panel 20 to display images. In this way, the liquid crystal display device 200 includes three circuit boards, namely the circuit board 31 carrying the plurality of light-emitting elements 32 , the first driving wafer board 33 and the second driving wafer board 40 , which is not conducive to reducing the size of the liquid crystal display device. overall thickness.

鑒於此，有必要提供一種整體厚度小的和節省成本的液晶顯示裝置。 In view of this, it is necessary to provide a liquid crystal display device with a small overall thickness and low cost.

一種液晶顯示裝置，包括：一液晶顯示面板；一電路基板，與該液晶顯示面板相對設置，具有相對設置的一第一表面及一第二表面，該第一表面朝向該液晶顯示面板，該第二表面遠離該液晶顯示面板，該電路基板包括一導電線路；複數發光元件，位於該第一表面上；一第一驅動晶片，位於該第二表面上且藉由該導電線路與該等發光元件電性連接；以及，一第二驅動晶片，位於該第二表面上且電性連接該液晶顯示面板。 A liquid crystal display device, comprising: a liquid crystal display panel; a circuit substrate disposed opposite to the liquid crystal display panel, having a first surface and a second surface disposed oppositely, the first surface facing the liquid crystal display panel, the first surface Two surfaces are far away from the liquid crystal display panel, the circuit substrate includes a conductive circuit; a plurality of light-emitting elements are located on the first surface; a first driving chip is located on the second surface and is connected to the light-emitting elements through the conductive circuit electrically connected; and, a second driving chip located on the second surface and electrically connected to the liquid crystal display panel.

本發明還提供一種液晶顯示裝置的製作方法，包括：提供一具有導電線路的電路基板和一液晶顯示面板；在該電路基板的一第一表面上形成複數發光元件，該等複數發光元件與該導電線路電性連接；在該電路基板遠離該等發光元件的一第二表面上形成一第一驅動晶片和一第二驅動晶片，該第一驅動晶片與該導電線路電性連接；以及，將該液晶顯示面板組裝在該電路基板具有該等發光元件的一側，使得該電路基板至少部分與該液晶顯示面板相對設置，並使該第二驅動晶片電性連接該液晶顯示面板。 The present invention also provides a method for manufacturing a liquid crystal display device, comprising: providing a circuit substrate with conductive lines and a liquid crystal display panel; forming a plurality of light-emitting elements on a first surface of the circuit substrate, the plurality of light-emitting elements and the The conductive circuit is electrically connected; a first driving chip and a second driving chip are formed on a second surface of the circuit substrate away from the light-emitting elements, and the first driving chip is electrically connected to the conductive circuit; and, connecting The liquid crystal display panel is assembled on the side of the circuit substrate with the light-emitting elements, so that the circuit substrate is at least partially opposite to the liquid crystal display panel, and the second driving chip is electrically connected to the liquid crystal display panel.

相對於習知技術，在該液晶顯示裝置中，該等發光元件、驅動該等發光元件發光的該第一驅動晶片與控制液晶旋轉的該第二驅動晶片均設置在同一塊電路基板上，有利於減小該液晶顯示裝置的整體厚度，並且減少電路基板使用的數目節省了製作該液晶顯示裝置的成本。 Compared with the prior art, in the liquid crystal display device, the light-emitting elements, the first driving chip for driving the light-emitting elements to emit light, and the second driving chip for controlling the rotation of the liquid crystal are all disposed on the same circuit substrate, which is advantageous. In order to reduce the overall thickness of the liquid crystal display device, and reduce the number of circuit substrates used, the cost of manufacturing the liquid crystal display device is saved.

100、200:液晶顯示裝置 100, 200: Liquid crystal display device

10、20:液晶顯示面板 10, 20: LCD panel

11:電路基板 11: circuit substrate

111:平坦部 111: Flat part

112:彎折部 112: Bending part

113:第一表面 113: First Surface

114:第二表面 114: Second Surface

12、32:發光元件 12, 32: Light-emitting element

13、34:第一驅動晶片 13, 34: The first driver chip

14、50:第二驅動晶片 14, 50: The second driver chip

141:閘極驅動電路 141: Gate drive circuit

142:源極驅動電路 142: source driver circuit

143:時序控制電路 143: Timing Control Circuit

15、60:柔性電路板 15, 60: Flexible circuit board

151、152:端部 151, 152: end

16:接地層 16: Ground plane

17:光學膜片 17: Optical film

18:擴散板 18: Diffuser plate

19:量子點膜 19: Quantum dot film

101:薄膜電晶體基板 101: Thin film transistor substrate

102:彩色濾光基板 102: Color filter substrate

103:液晶層 103: Liquid crystal layer

10A:顯示區 10A: Display area

10B:非顯示區 10B: Non-display area

104:畫素單元 104: Pixel unit

105:薄膜電晶體 105: Thin Film Transistor

106:畫素電極 106: Pixel electrode

D1:第一方向 D1: first direction

D2:第二方向 D2: Second direction

107:掃描線 107: scan line

108:數據線 108: data line

30:背光模組 30: Backlight module

31:電路板 31: circuit board

33:第一驅動晶片板 33: The first drive wafer board

40:第二驅動晶片板 40: Second drive wafer board

圖1是本發明實施例的液晶顯示裝置的剖面示意圖。 FIG. 1 is a schematic cross-sectional view of a liquid crystal display device according to an embodiment of the present invention.

圖2是圖1的變更實施例的液晶顯示裝置的剖面示意圖。 FIG. 2 is a schematic cross-sectional view of a liquid crystal display device according to a modified embodiment of FIG. 1 .

圖3是本發明實施例的液晶顯示面板的剖面示意圖。 3 is a schematic cross-sectional view of a liquid crystal display panel according to an embodiment of the present invention.

圖4是本發明實施例的薄膜電晶體基板與第二驅動晶片電性連接的示意圖。 FIG. 4 is a schematic diagram of the electrical connection between the thin film transistor substrate and the second driving chip according to an embodiment of the present invention.

圖5是本發明實施例的液晶顯示裝置的製作方法流程圖。 FIG. 5 is a flowchart of a manufacturing method of a liquid crystal display device according to an embodiment of the present invention.

圖6是習知技術的液晶顯示裝置的剖面示意圖。 6 is a schematic cross-sectional view of a conventional liquid crystal display device.

附圖中示出了本發明的實施例，本發明可以藉由多種不同形式實現，而並不應解釋為僅局限於這裡所闡述的實施例。相反，提供這些實施例是為了使本發明更為全面和完整的公開，並使所屬領域的技術人員更充分地瞭解本發明的範圍。 The drawings illustrate embodiments of the present invention, which may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

參照圖1，本發明實施例提供的液晶顯示裝置100，其包括液晶顯示(Liquid Crystal Display，LCD)面板10、電路基板11、複數發光元件12、一第一驅動晶片13以及一第二驅動晶片14。所述液晶顯示面板10用於顯示圖像。所述電路基板11與所述液晶顯示面板10相對設置，所述液晶顯示面板10具有相對設置的第一表面113及第二表面114，所述第一表面113朝向所述液晶顯示面板10，所述第二表面114遠離所述液晶顯示面板10，所述電路基板11包括導電線路(圖未示)。所述發光元件12位於所述電路基板11朝向所述液晶顯示面板10的第一表面113上，所述複數發光元件12用以向所述液晶顯示面板10提供顯示圖像所需的背光。所述第一驅動晶片13位於所述電路基板11遠離所述液晶顯示面板10的第二表面114上，即所述第一驅動晶片13與所述複數發光元件12位於所述電路基板11 的不同的表面上。所述第一驅動晶片13藉由所述導電線路與所述複數發光元件12電性連接，且所述第一驅動晶片13用於驅動所述複數發光元件12發光。所述第二驅動晶片14位於所述電路基板11的第二表面114上，且所述第二驅動晶片14電性連接所述液晶顯示面板10以用於控制所述液晶顯示面板10的液晶的旋轉。 1, a liquid crystal display device 100 provided by an embodiment of the present invention includes a liquid crystal display (LCD) panel 10, a circuit substrate 11, a plurality of light-emitting elements 12, a first driving chip 13, and a second driving chip 14. The liquid crystal display panel 10 is used for displaying images. The circuit substrate 11 is disposed opposite to the liquid crystal display panel 10, and the liquid crystal display panel 10 has a first surface 113 and a second surface 114 disposed opposite to each other, and the first surface 113 faces the liquid crystal display panel 10, so the The second surface 114 is far away from the liquid crystal display panel 10 , and the circuit substrate 11 includes conductive lines (not shown). The light-emitting elements 12 are located on the first surface 113 of the circuit substrate 11 facing the liquid crystal display panel 10 , and the plurality of light-emitting elements 12 are used to provide the liquid crystal display panel 10 with backlight required for displaying images. The first driving chip 13 is located on the second surface 114 of the circuit substrate 11 away from the liquid crystal display panel 10 , that is, the first driving chip 13 and the plurality of light-emitting elements 12 are located on the circuit substrate 11 on different surfaces. The first driving chip 13 is electrically connected to the plurality of light-emitting elements 12 through the conductive lines, and the first driving chip 13 is used for driving the plurality of light-emitting elements 12 to emit light. The second driving chip 14 is located on the second surface 114 of the circuit substrate 11 , and the second driving chip 14 is electrically connected to the liquid crystal display panel 10 for controlling the liquid crystal of the liquid crystal display panel 10 . rotate.

在本發明的所述液晶顯示裝置100中，所述複數發光元件12、驅動所述複數發光元件12發光的第一驅動晶片13與控制液晶旋轉的的第二驅動晶片14均設置在同一塊所述電路基板11上，有利於減小所述液晶顯示裝置100的整體厚度，並且減少電路基板使用的數目節省了製作所述液晶顯示裝置100的成本。 In the liquid crystal display device 100 of the present invention, the plurality of light-emitting elements 12, the first driving wafer 13 for driving the plurality of light-emitting elements 12 to emit light, and the second driving wafer 14 for controlling the rotation of the liquid crystal are all arranged in the same place. On the circuit substrate 11 , it is beneficial to reduce the overall thickness of the liquid crystal display device 100 , and reducing the number of circuit substrates used saves the cost of manufacturing the liquid crystal display device 100 .

電路基板11包括絕緣基材及形成於該絕緣基材中的用於將發光元件12與第一驅動晶片13電性連接的導電線路(圖未示)。在本實施例中，所述電路基板11為印刷電路板，所述複數發光元件12、所述第一驅動晶片13與所述第二驅動晶片14的可藉由表面貼裝技術(Surface Mounted Technology，SMT)技術貼合到所述電路基板11的第二表面114上，所述第一驅動晶片13與所述複數發光元件12電性連接以驅動所述複數發光元件12發光。在一實施例中，所述第一驅動晶片13與所述複數發光元件12可藉由貫穿所述電路基板11的所述導電線路實現電性連接。 The circuit substrate 11 includes an insulating base material and conductive lines (not shown) formed in the insulating base material for electrically connecting the light-emitting element 12 and the first driving chip 13 . In this embodiment, the circuit substrate 11 is a printed circuit board, and the plurality of light-emitting elements 12 , the first driving chip 13 and the second driving chip 14 can be mounted by surface mount technology (Surface Mounted Technology). , SMT) technology is attached to the second surface 114 of the circuit substrate 11 , and the first driving chip 13 is electrically connected to the plurality of light-emitting elements 12 to drive the plurality of light-emitting elements 12 to emit light. In one embodiment, the first driving chip 13 and the plurality of light emitting elements 12 can be electrically connected through the conductive lines penetrating the circuit substrate 11 .

在本實施例中，每一個發光元件12為晶粒尺寸大約在100微米到200微米之間的迷你發光二極體(Mini light emitting diode,Mini LED)，所述複數發光元件12可藉由巨量轉移方法轉移於所述電路基板11上。 In this embodiment, each light emitting element 12 is a mini light emitting diode (Mini LED) with a grain size between about 100 μm and 200 μm. The quantity transfer method is transferred on the circuit substrate 11 .

在本實施例中，所述電路基板11內設置有一接地層16，所述接地層16與接地信號連接。所述接地層16在所述電路基板11的第二表面上的正投影覆蓋所述第二驅動晶片14，如此，所述接地層16用以防止複數 發光元件12和所述第二驅動晶片14之間的干擾，例如所述複數發光元件12與所述第一驅動晶片13連接的導電走線與所述第二驅動晶片14之間的干擾。所述接地層16在所述電路基板11的第二表面上的正投影完全覆蓋所述第二驅動晶片14。 In this embodiment, a ground layer 16 is disposed in the circuit substrate 11 , and the ground layer 16 is connected to a ground signal. The orthographic projection of the grounding layer 16 on the second surface of the circuit substrate 11 covers the second driving chip 14 . Thus, the grounding layer 16 is used to prevent multiple The interference between the light-emitting elements 12 and the second driving wafer 14 , for example, the interference between the conductive traces connecting the plurality of light-emitting elements 12 and the first driving wafer 13 and the second driving wafer 14 . The orthographic projection of the ground layer 16 on the second surface of the circuit substrate 11 completely covers the second driving wafer 14 .

在本實施例中，所述電路基板11為剛性的印刷板電路板，此時，所述液晶顯示裝置100還包括一柔性電路板15，所述柔性電路板15的一端部151電性連接在所述電路基板11，且所述柔性電路板15的另一端部152電性連接於所述液晶顯示面板10。所述第二驅動晶片14藉由所述柔性電路板15與所述液晶顯示面板10電性連接。具體地，所述柔性電路板15的端部151連接在所述電路基板11靠近第二驅動晶片14的位置處，以方便所述柔性電路板15與所述第二驅動晶片14電性連接。在一實施例中，連接所述柔性電路板15與所述電路基板11的方式可以為但不限於採用貼合或連接器的方式。 In this embodiment, the circuit substrate 11 is a rigid printed circuit board. In this case, the liquid crystal display device 100 further includes a flexible circuit board 15, and one end 151 of the flexible circuit board 15 is electrically connected to the The circuit substrate 11 and the other end 152 of the flexible circuit board 15 are electrically connected to the liquid crystal display panel 10 . The second driving chip 14 is electrically connected to the liquid crystal display panel 10 through the flexible circuit board 15 . Specifically, the end portion 151 of the flexible circuit board 15 is connected at a position of the circuit substrate 11 close to the second driving chip 14 , so as to facilitate the electrical connection between the flexible circuit board 15 and the second driving chip 14 . In one embodiment, the manner of connecting the flexible circuit board 15 and the circuit substrate 11 may be, but not limited to, the manner of bonding or a connector.

在本實施例中，所述電路基板11與所述柔性電路板15可一體成型形成一軟硬結合板。 In this embodiment, the circuit substrate 11 and the flexible circuit board 15 can be integrally molded to form a rigid-flex board.

參照圖2，一變更例中，所述電路基板11為柔性的印刷電路板。所述電路基板11的材質可為聚對苯二甲酸乙二酯(PET)、聚乙烯(PE)、環烯烴聚合體(COP)、聚甲基丙烯酸甲酯(PMMA)、或其他柔性塑膠高分子材料。柔性的所述電路基板11包括一平坦部111以及與所述平坦部111連接為一體的一彎折部112，所述平坦部111與所述液晶顯示面板10相對設置，所述彎折部112由所述平坦部111的一端朝向所述液晶顯示面板10彎折延伸以電性連接所述液晶顯示面板10，即所述第二驅動晶片14藉由所述彎折部112與所述液晶顯示面板10電性連接。在此實施例中，所述第一驅動晶片13與所述第二驅動晶片14均位於所述平坦部111遠離所述液晶 顯示面板10的表面上，所述複數發光元件12位於所述平坦部111靠近所述液晶顯示面板10的表面上，所述接地層16位於所述平坦部111內。進一步地，所述第二驅動晶片14設置在靠近所述彎折部112的所述平坦部111表面上以方便所述第二驅動晶片14與所述液晶顯示面板10電性連接。 Referring to FIG. 2 , in a modified example, the circuit board 11 is a flexible printed circuit board. The material of the circuit substrate 11 can be polyethylene terephthalate (PET), polyethylene (PE), cyclic olefin polymer (COP), polymethyl methacrylate (PMMA), or other flexible plastics. molecular materials. The flexible circuit substrate 11 includes a flat portion 111 and a bending portion 112 integrally connected with the flat portion 111 . The flat portion 111 is disposed opposite to the liquid crystal display panel 10 , and the bending portion 112 One end of the flat portion 111 is bent and extended toward the liquid crystal display panel 10 to electrically connect the liquid crystal display panel 10 , that is, the second driving chip 14 is connected to the liquid crystal display panel through the bent portion 112 . The panel 10 is electrically connected. In this embodiment, both the first driving chip 13 and the second driving chip 14 are located on the flat portion 111 away from the liquid crystal On the surface of the display panel 10 , the plurality of light-emitting elements 12 are located on the surface of the flat portion 111 close to the liquid crystal display panel 10 , and the ground layer 16 is located in the flat portion 111 . Further, the second driving chip 14 is disposed on the surface of the flat portion 111 close to the bending portion 112 to facilitate the electrical connection between the second driving chip 14 and the liquid crystal display panel 10 .

進一步參照圖1和圖2，所述液晶顯示裝置100還包括位於所述液晶顯示面板10與所述複數發光元件12之間的光學膜片17。所述光學膜片17包括擴散板18，所述擴散板18位於所述複數發光元件12遠離所述電路基板11的一側，所述擴散板18用以擴散所述複數發光元件12發射的光，使所述複數發光元件12發出的光形成面光源，從而光能均勻照射所述液晶顯示面板10。 Further referring to FIGS. 1 and 2 , the liquid crystal display device 100 further includes an optical film 17 located between the liquid crystal display panel 10 and the plurality of light-emitting elements 12 . The optical film 17 includes a diffusion plate 18 , the diffusion plate 18 is located on the side of the plurality of light-emitting elements 12 away from the circuit substrate 11 , and the diffusion plate 18 is used for diffusing the light emitted by the plurality of light-emitting elements 12 , so that the light emitted by the plurality of light-emitting elements 12 forms a surface light source, so that the light can evenly illuminate the liquid crystal display panel 10 .

在一實施例中，當每一個發光元件12發藍光時，所述光學膜片17還包括與所述擴散板18層疊設置的量子點膜19，所述量子點膜19位於所述擴散板18靠近所述發光元件12的一側，且所述量子點膜19具有紅色量子點與綠色量子點。在此實施例中，每一個發光元件12產生藍色光分別激發所述紅色量子點與綠色量子點產生紅色光和綠色光，且，該紅色光與綠色光與所述複數發光元件發出的藍色光一起生成混合白光。所述量子點(Quantum Dots，QD)又稱為納米晶，是由有限數目的原子組成；所述量子點一般為球形或類球形，是由半導體材料製成的且尺寸為納米數量級。帶有QD的液晶顯示面板是LCD的改良版，帶有QD的液晶顯示面板色域高、畫質好、立體感和對比度更強。所述光學膜片17包括但不限於所述擴散板18與量子點膜19，還可以包括其他配合所述液晶顯示面板10進行圖像顯示的光學元件。所述光學膜片17還可以包括與所述擴散板層疊設置的擴散片與增光片，所述擴散片進一步對所述複數發光元件12發射的光進行 柔散化並提升光線的亮度，所述增光片主要用於提高所述複數發光元件12發射光的利用率。 In one embodiment, when each light-emitting element 12 emits blue light, the optical film 17 further includes a quantum dot film 19 laminated with the diffusion plate 18 , and the quantum dot film 19 is located on the diffusion plate 18 . On the side close to the light-emitting element 12 , the quantum dot film 19 has red quantum dots and green quantum dots. In this embodiment, each light-emitting element 12 generates blue light to excite the red quantum dots and green quantum dots to generate red light and green light, respectively, and the red light and green light and the blue light emitted by the plurality of light-emitting elements Together they create a mixed white light. The quantum dots (Quantum Dots, QDs), also known as nanocrystals, are composed of a limited number of atoms; the quantum dots are generally spherical or quasi-spherical, made of semiconductor materials, and have a size of the order of nanometers. The liquid crystal display panel with QD is an improved version of the LCD, and the liquid crystal display panel with QD has a high color gamut, good picture quality, and stronger three-dimensional effect and contrast. The optical film 17 includes, but is not limited to, the diffusion plate 18 and the quantum dot film 19 , and may also include other optical elements that cooperate with the liquid crystal display panel 10 to display images. The optical film 17 may further include a diffuser sheet and a light-enhancing sheet stacked with the diffuser plate, and the diffuser sheet further performs the light emitted by the plurality of light-emitting elements 12 . To soften and enhance the brightness of light, the brightness enhancement sheet is mainly used to improve the utilization rate of the light emitted by the plurality of light-emitting elements 12 .

參照圖3和圖4。所述液晶顯示面板10包括薄膜電晶體基板101、與所述薄膜電晶體基板101相對設置的彩色濾光基板102，以及位於所述薄膜電晶體基板101與所述彩色濾光基板102之間的液晶層103。所述薄膜電晶體基板101具有顯示區10A與圍繞所述顯示區10A設置的非顯示區10B。所述薄膜電晶體基板101上設置有沿第一方向D1延伸且沿第二方向D2間隔排布的複數掃描線107，以及沿第二方向D2延伸且沿第一方向D1間隔排布的複數資料線108。所述複數掃描線107與所述複數資料線108絕緣交叉從而在顯示區10A定義有複數畫素單元104，相鄰兩條掃描線107與相鄰兩條資料線108交叉限定為的區域一個畫素單元104所在區域，則所述複數畫素單元104在第一方向D1延伸為一行且在第二方向D2形成多行，所述複數畫素單元104在第二方向D2延伸為一列且在第一方向D1形成多列。所述第一方向D1與第二方向D2交叉且垂直。每一個畫素單元104內設置有一薄膜電晶體105與一畫素電極106，所述薄膜電晶體105的漏極與所述畫素電極106電性連接。在上述實施例中，所述第二驅動晶片14包括閘極驅動電路141、源極驅動電路142與時序控制電路143；所述閘極驅動電路141和所述源極驅動電路142均與所述時序控制電路143電性連接，每一個畫素單元104中薄膜電晶體105的閘極與源極分別與所述閘極驅動電路141和所述源極驅動電路142電性連接。具體地，每一條掃描線107與每一行的畫素單元104的所有薄膜電晶體105的閘極電性連接，每一條資料線108與每一列的畫素單元104的所有薄膜電晶體105的源極電性連接，每一條掃描線107與所述閘極驅動電路141電性連接，每一條資料線108與所述源極驅動電路電性連接，則每一個畫素單元104中薄膜電晶體105的閘極藉 由一掃描線107與所述閘極驅動電路141電性連接；每一個畫素單元104中薄膜電晶體105的源極藉由一資料線108與所述源極驅動電路142電性連接。所述時序控制電路143把從外部接收的資料信號和控制信號轉換成適合於所述閘極驅動電路141和所述源極驅動電路142的資料信號與控制信號；所述閘極驅動電路141控制所述薄膜電晶體105的開啟和關閉；所述閘極驅動電路141與源極驅動電路142接收所述時序控制電路143產生的資料信號與控制信號以控制所述液晶顯示面板10中的液晶的旋轉。所述時序控制電路143、所述閘極驅動電路141和所述源極驅動電路142均為積體電路，可以為集成在一起的電路亦可為三個單獨的積體電路。 Referring to Figures 3 and 4 . The liquid crystal display panel 10 includes a thin film transistor substrate 101 , a color filter substrate 102 disposed opposite the thin film transistor substrate 101 , and a color filter substrate 102 located between the thin film transistor substrate 101 and the color filter substrate 102 . Liquid crystal layer 103 . The thin film transistor substrate 101 has a display area 10A and a non-display area 10B surrounding the display area 10A. The thin film transistor substrate 101 is provided with a plurality of scan lines 107 extending along the first direction D1 and spaced along the second direction D2, and a plurality of data extending along the second direction D2 and spaced along the first direction D1 Line 108. The plurality of scan lines 107 and the plurality of data lines 108 are insulated and intersected so that a plurality of pixel units 104 are defined in the display area 10A, and the area defined by the intersection of two adjacent scan lines 107 and two adjacent data lines 108 is a picture. In the area where the pixel unit 104 is located, the plurality of pixel units 104 extend into one row in the first direction D1 and form multiple rows in the second direction D2, the plurality of pixel units 104 extend into a column in the second direction D2 and are in the second direction D2. A plurality of columns are formed in one direction D1. The first direction D1 and the second direction D2 intersect and are perpendicular. Each pixel unit 104 is provided with a thin film transistor 105 and a pixel electrode 106 , and the drain electrode of the thin film transistor 105 is electrically connected to the pixel electrode 106 . In the above embodiment, the second driving chip 14 includes a gate driving circuit 141 , a source driving circuit 142 and a timing control circuit 143 ; the gate driving circuit 141 and the source driving circuit 142 are the same as the The timing control circuit 143 is electrically connected, and the gate and source of the thin film transistor 105 in each pixel unit 104 are electrically connected to the gate driving circuit 141 and the source driving circuit 142 respectively. Specifically, each scan line 107 is electrically connected to the gates of all the thin film transistors 105 of the pixel units 104 in each row, and each data line 108 is electrically connected to the sources of all the thin film transistors 105 of the pixel units 104 of each column. The electrodes are electrically connected, each scan line 107 is electrically connected to the gate driver circuit 141 , and each data line 108 is electrically connected to the source driver circuit, then the thin film transistor 105 in each pixel unit 104 is electrically connected. gate borrow A scan line 107 is electrically connected to the gate driving circuit 141 ; the source of the thin film transistor 105 in each pixel unit 104 is electrically connected to the source driving circuit 142 through a data line 108 . The timing control circuit 143 converts data signals and control signals received from the outside into data signals and control signals suitable for the gate driver circuit 141 and the source driver circuit 142; the gate driver circuit 141 controls The thin film transistor 105 is turned on and off; the gate driver circuit 141 and the source driver circuit 142 receive the data signal and the control signal generated by the timing control circuit 143 to control the liquid crystal in the liquid crystal display panel 10 . rotate. The timing control circuit 143 , the gate driving circuit 141 and the source driving circuit 142 are all integrated circuits, which may be integrated circuits or three separate integrated circuits.

在上述實施例中，所述液晶顯示裝置100還包括位於所述薄膜電晶體基板101靠近所述光學膜片17一側的第一偏振片(圖未示)，以及位元於所述彩色濾光基板102遠離所述薄膜電晶體基板101一側的第二偏振片(圖未示)，所述第一偏振片的偏振軸與所述第二偏振片的偏振軸相互垂直。 In the above-mentioned embodiment, the liquid crystal display device 100 further includes a first polarizer (not shown) located on the side of the thin film transistor substrate 101 close to the optical film 17, and a first polarizer (not shown in the figure) located on the side of the thin film transistor substrate 101, and the color filter A second polarizer (not shown) on the side of the optical substrate 102 away from the thin film transistor substrate 101, the polarization axis of the first polarizer and the polarization axis of the second polarizer are perpendicular to each other.

參照圖5，本發明實施例中還提供上述液晶顯示裝置100的製作方法，其包括步驟S1至步驟S4，如下所示： Referring to FIG. 5 , an embodiment of the present invention further provides a method for fabricating the above-mentioned liquid crystal display device 100 , which includes steps S1 to S4 , as follows:

步驟S1：提供一具有導電線路的電路基板11和一液晶顯示面板10。 Step S1 : providing a circuit substrate 11 with conductive lines and a liquid crystal display panel 10 .

所述電路基板11具有相對設置的第一表面113與第二表面114。 The circuit substrate 11 has a first surface 113 and a second surface 114 disposed opposite to each other.

在步驟S1中，提供所述電路基板11具體包括：提供包含一接地層16的電路基板，所述接地層16連接接地信號。 In step S1, providing the circuit substrate 11 specifically includes: providing a circuit substrate including a ground layer 16, and the ground layer 16 is connected to a ground signal.

在一實施例中，當提供的所述電路基板11的步驟具體可包括：提供剛性印刷電路板作為所述電路基板11。 In one embodiment, the step of providing the circuit substrate 11 may specifically include: providing a rigid printed circuit board as the circuit substrate 11 .

在一實施例中，當提供的所述電路基板11的步驟具體可包括：提供柔性的印刷電路板作為所述電路基板11。 In one embodiment, the step of providing the circuit substrate 11 may specifically include: providing a flexible printed circuit board as the circuit substrate 11 .

步驟S2：在所述電路基板11的一第一表面113上形成複數發光元件12，所述複數發光元件12與該導電線路電性連接。 Step S2 : forming a plurality of light-emitting elements 12 on a first surface 113 of the circuit substrate 11 , and the plurality of light-emitting elements 12 are electrically connected to the conductive circuit.

在步驟S2中，在所述電路基板11的第一表面113上形成複數發光元件12具體包括：採用SMT技術將所述複數發光元件12貼合到所述電路基板11的第一表面113上。 In step S2 , forming the plurality of light-emitting elements 12 on the first surface 113 of the circuit substrate 11 specifically includes: using the SMT technology to attach the plurality of light-emitting elements 12 to the first surface 113 of the circuit substrate 11 .

步驟S3：在所述電路基板11遠離所述複數發光元件12的第二表面114上形成一第一驅動晶片13和一第二驅動晶片14，所述第一驅動晶片13與所述導電線路電性連接。 Step S3 : forming a first driving wafer 13 and a second driving wafer 14 on the second surface 114 of the circuit substrate 11 away from the plurality of light-emitting elements 12 , and the first driving wafer 13 is electrically connected to the conductive lines. sexual connection.

在步驟S3中，所述第一驅動晶片13用於驅動所述複數發光元件12發光。採用SMT技術將所述第一驅動晶片13與所述第二驅動晶片14貼合到在所述電路基板11遠離所述複數發光元件12的第二表面114上。所述接地層16在所述電路基板11遠離所述複數發光元件12的第二表面114上正投影區域覆蓋所述第二驅動晶片14。 In step S3, the first driving wafer 13 is used for driving the plurality of light-emitting elements 12 to emit light. The first driving wafer 13 and the second driving wafer 14 are attached to the second surface 114 of the circuit substrate 11 away from the plurality of light emitting elements 12 by using SMT technology. The ground layer 16 covers the second driving wafer 14 in an orthographic projection area on the second surface 114 of the circuit substrate 11 away from the plurality of light emitting elements 12 .

步驟S4：將所述液晶顯示面板10組裝在所述電路基板11具有複數發光元件12的一側，並使所述第二驅動晶片14電性連接所述液晶顯示面板10。 Step S4 : assembling the liquid crystal display panel 10 on the side of the circuit substrate 11 with the plurality of light-emitting elements 12 , and electrically connecting the second driving chip 14 to the liquid crystal display panel 10 .

在步驟S4中，所述第二驅動晶片14用以驅動所述液晶顯示面板10中的液晶的旋轉。 In step S4 , the second driving chip 14 is used to drive the rotation of the liquid crystal in the liquid crystal display panel 10 .

在一實施例中，當提供柔性的印刷電路板作為所述電路基板11時，將所述液晶顯示面板10組裝在所述電路基板11具有所述複數發光元件12的一側的步驟包括：使所述電路基板11的一部分與所述液晶顯示面 板10相對設置，並使得電路基板11的另一部分朝向所述液晶顯示面板10彎折以電性連接所述液晶顯示面板10。 In one embodiment, when a flexible printed circuit board is provided as the circuit substrate 11, the step of assembling the liquid crystal display panel 10 on the side of the circuit substrate 11 with the plurality of light-emitting elements 12 includes: A part of the circuit board 11 and the liquid crystal display surface The boards 10 are disposed opposite to each other, and the other part of the circuit substrate 11 is bent toward the liquid crystal display panel 10 so as to be electrically connected to the liquid crystal display panel 10 .

在一實施例中，當提供剛性的印刷電路板作為所述電路基板11，為實現所述液晶顯示面板10與第二驅動晶片14電性連接的步驟具體包括：提供一柔性電路板15，將所述柔性電路板15的一端部151連接於所述第二驅動晶片14，且將所述柔性電路板15的另一端部152連接於所述液晶顯示面板10。所述第二驅動晶片14藉由所述柔性電路板15與所述液晶顯示面板10電性連接。在本實施例中，將所述電路基板11與所述柔性電路板15可一體成型形成一個軟硬結合板。 In one embodiment, when a rigid printed circuit board is provided as the circuit substrate 11, the steps for realizing the electrical connection between the liquid crystal display panel 10 and the second driving chip 14 specifically include: providing a flexible circuit board 15, One end 151 of the flexible circuit board 15 is connected to the second driving chip 14 , and the other end 152 of the flexible circuit board 15 is connected to the liquid crystal display panel 10 . The second driving chip 14 is electrically connected to the liquid crystal display panel 10 through the flexible circuit board 15 . In this embodiment, the circuit substrate 11 and the flexible circuit board 15 can be integrally molded to form a rigid-flex board.

在本實施例中，所述液晶顯示裝置100應用於需要設置顯示幕的電子裝置，所述電子裝置例如(但不限於)：行動電話、移動電視、智慧型電話、藍牙裝置、無線電子郵件接收器、手持型或攜帶型電腦、迷你筆記型電腦、筆記型電腦、智慧本、平板電腦、印表機、影印機、掃描器、傳真機、全球定位系統(GPS)接收器/導航儀、攝影機、數位媒體播放機、攝錄影機、遊戲控制台、腕表、鐘錶、計算器、電視監視器、平板顯示器、電子閱讀裝置(例如，電子閱讀器)、移動健康裝置、電腦監視器、汽車顯示器(包含里程計顯示器及速度計顯示器等)、駕駛艙控制件及/或顯示器、攝影機景觀顯示器(例如，車輛中的後視攝影機的顯示器)、電子照片、電子看板或標識、投影儀、冰箱、洗滌器、乾燥器、洗滌器/乾燥器、美觀結構(例如，關於一件珠寶或衣服的影像顯示)，但並不以此為限。 In this embodiment, the liquid crystal display device 100 is applied to an electronic device that needs to set a display screen, such as (but not limited to): a mobile phone, a mobile TV, a smart phone, a Bluetooth device, a wireless email receiver devices, handheld or portable computers, mini-notebooks, notebooks, smartbooks, tablets, printers, photocopiers, scanners, fax machines, GPS receivers/navigators, cameras , digital media players, camcorders, game consoles, wristwatches, clocks, calculators, television monitors, flat panel displays, electronic reading devices (e.g., e-readers), mobile health devices, computer monitors, automobiles Displays (including odometer displays and speedometer displays, etc.), cockpit controls and/or displays, camera landscape displays (eg, displays for rear view cameras in vehicles), electronic photographs, electronic signage or signage, projectors, refrigerators , a washer, a dryer, a washer/dryer, an aesthetic structure (eg, a visual representation of a piece of jewelry or clothing), but not limited thereto.

以上實施例僅用以說明本發明的技術方案而非限制，圖示中出現的上、下、左及右方向僅為了方便理解，儘管參照較佳實施例對本發明進行了詳細說明，所屬領域的普通技術人員應當理解，可以對本發明的技術方案進行修改或等同替換，而不脫離本發明技術方案的精神和範圍。 The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. The up, down, left and right directions appearing in the drawings are only for the convenience of understanding. Although the present invention has been described in detail with reference to the preferred embodiments, the Those of ordinary skill should understand that the technical solutions of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

100:液晶顯示裝置 100: Liquid crystal display device

10:液晶顯示面板 10: LCD panel

11:電路基板 11: circuit substrate

113:第一表面 113: First Surface

114:第二表面 114: Second Surface

12:發光元件 12: Light-emitting element

13:第一驅動晶片 13: The first driver chip

14:第二驅動晶片 14: The second driver chip

15:柔性電路板 15: Flexible circuit board

151、152:端部 151, 152: end

16:接地層 16: Ground plane

17:光學膜片 17: Optical film

18:擴散板 18: Diffuser plate

19:量子點膜 19: Quantum dot film

Claims (10)

一種液晶顯示裝置，其改良在於，包括：一液晶顯示面板；一電路基板，與該液晶顯示面板相對設置，具有相對設置的一第一表面及一第二表面，該第一表面朝向該液晶顯示面板，該第二表面遠離該液晶顯示面板，該電路基板包括一導電線路；複數發光元件，位於該第一表面上；一第一驅動晶片，位於該第二表面上且藉由該導電線路與該等發光元件電性連接，用於驅動該等複數發光元件發光；以及一第二驅動晶片，位於該第二表面上且電性連接該液晶顯示面板，用於控制該液晶顯示面板內之液晶旋轉以控制該液晶顯示面板顯示圖像。 A liquid crystal display device, which is improved by comprising: a liquid crystal display panel; a circuit substrate disposed opposite to the liquid crystal display panel, having a first surface and a second surface disposed oppositely, the first surface facing the liquid crystal display panel, the second surface is far away from the liquid crystal display panel, the circuit substrate includes a conductive circuit; a plurality of light-emitting elements are located on the first surface; a first driving chip is located on the second surface and is connected with the conductive circuit through the the light-emitting elements are electrically connected for driving the plurality of light-emitting elements to emit light; and a second driving chip located on the second surface and electrically connected to the liquid crystal display panel for controlling the liquid crystal in the liquid crystal display panel Rotate to control the LCD panel to display images. 如請求項1所述的液晶顯示裝置，其中，在該電路基板內設置有一接地層，該接地層在該電路基板的該第二表面上的正投影覆蓋該第二驅動晶片。 The liquid crystal display device of claim 1, wherein a grounding layer is disposed in the circuit substrate, and the orthographic projection of the grounding layer on the second surface of the circuit substrate covers the second driving chip. 如請求項2所述的液晶顯示裝置，其中，該電路基板為一柔性的印刷電路板，該電路基板包括一平坦部以及與該平坦部連接為一體的一彎折部，該平坦部與該液晶顯示面板相對設置，該第一驅動晶片與該第二驅動晶片位於該平坦部遠離該液晶顯示面板的表面上，該彎折部由該平坦部的一端朝向該液晶顯示面板彎折延伸以電連接該液晶顯示面板。 The liquid crystal display device according to claim 2, wherein the circuit substrate is a flexible printed circuit board, the circuit substrate comprises a flat portion and a bending portion integrally connected with the flat portion, the flat portion and the flat portion are integrally connected. The liquid crystal display panel is arranged oppositely, the first driving chip and the second driving chip are located on the surface of the flat part away from the liquid crystal display panel, and the bending part is bent and extended from one end of the flat part toward the liquid crystal display panel to electrically Connect the LCD panel. 如請求項1所述的液晶顯示裝置，其中，該電路基板為一剛性的印刷電路板，且該液晶顯示裝置還包括一柔性電路板，該柔性電路板的一端部電性連接該電路基板，另一端部電性連接該液晶顯示面板。 The liquid crystal display device according to claim 1, wherein the circuit substrate is a rigid printed circuit board, and the liquid crystal display device further comprises a flexible circuit board, one end of the flexible circuit board is electrically connected to the circuit substrate, The other end is electrically connected to the liquid crystal display panel. 如請求項4所述的液晶顯示裝置，其中，該電路基板與該柔性電路板一體成型形成一軟硬結合板。 The liquid crystal display device according to claim 4, wherein the circuit substrate and the flexible circuit board are integrally formed to form a rigid-flex board. 如請求項1所述的液晶顯示裝置，其中，該液晶顯示面板包括一薄膜電晶體基板，該薄膜電晶體基板定義有複數畫素單元且每一個畫素單元內設置有一薄膜電晶體；該第二驅動晶片包括一閘極驅動電路、一源極驅動電路與一時序控制電路，每一個畫素單元內的該薄膜電晶體的閘極與源極分別與該閘極驅動電路和該源極驅動電路電性連接，該源極驅動電路和該閘極驅動電路均與該時序控制電路電性連接；該閘極驅動電路用以控制該等畫素單元的該薄膜電晶體的開啟與關閉，該閘極驅動電路與該源極驅動電路接收該時序控制電路產生的控制信號以控制液晶的旋轉。 The liquid crystal display device according to claim 1, wherein the liquid crystal display panel comprises a thin film transistor substrate, the thin film transistor substrate defines a plurality of pixel units and each pixel unit is provided with a thin film transistor; the first The two driving chips include a gate driving circuit, a source driving circuit and a timing control circuit. The gate and source of the thin film transistor in each pixel unit are respectively connected with the gate driving circuit and the source driving circuit. The circuit is electrically connected, and the source driving circuit and the gate driving circuit are both electrically connected with the timing control circuit; the gate driving circuit is used to control the opening and closing of the thin film transistors of the pixel units, the The gate driving circuit and the source driving circuit receive the control signal generated by the timing control circuit to control the rotation of the liquid crystal. 一種液晶顯示裝置的製作方法，其改良在於，包括：提供具有一導電線路的一電路基板和一液晶顯示面板；在該電路基板的一第一表面上形成複數發光元件，該等複數發光元件與該導電線路電性連接；在該電路基板遠離該等發光元件的一第二表面上形成一用於驅動該等複數發光元件發光之第一驅動晶片和一用於控制該液晶顯示面板內之液晶旋轉以控制該液晶顯示面板顯示圖像之第二驅動晶片，該第一驅動晶片與該導電線路電性連接；以及將該液晶顯示面板組裝在該電路基板具有該等發光元件的一側，使得該電路基板至少部分與該液晶顯示面板相對設置，並使該第二驅動晶片電性連接該液晶顯示面板。 A manufacturing method of a liquid crystal display device, the improvement of which includes: providing a circuit substrate with a conductive circuit and a liquid crystal display panel; forming a plurality of light-emitting elements on a first surface of the circuit substrate, the plurality of light-emitting elements and The conductive circuit is electrically connected; a first driving chip for driving the plurality of light-emitting elements to emit light and a liquid crystal for controlling the liquid crystal in the liquid crystal display panel are formed on a second surface of the circuit substrate away from the light-emitting elements a second driving chip that rotates to control the liquid crystal display panel to display images, the first driving chip is electrically connected to the conductive circuit; and the liquid crystal display panel is assembled on the side of the circuit substrate with the light-emitting elements, so that The circuit substrate is at least partially disposed opposite to the liquid crystal display panel, and the second driving chip is electrically connected to the liquid crystal display panel. 如請求項7所述的液晶顯示裝置的製作方法，其中，提供該電路基板的步驟包括：提供包含一接地層的電路基板，該接地層在該電路基板的該第二表面上的正投影覆蓋該第二驅動晶片。 The method for manufacturing a liquid crystal display device according to claim 7, wherein the step of providing the circuit substrate comprises: providing a circuit substrate including a ground layer, and the orthographic projection of the ground layer on the second surface of the circuit substrate covers the second drive wafer. 如請求項7所述的液晶顯示裝置的製作方法，其中，提供該電路基板的步驟包括：提供一柔性的印刷電路板作為該電路基板；將該液晶顯示 面板組裝在該電路基板具有該等發光元件的一側的步驟包括：使該電路基板的一部分與該液晶顯示面板相對設置，並使得該電路基板的另一部分朝向該液晶顯示面板彎折以電性連接該液晶顯示面板。 The method for manufacturing a liquid crystal display device according to claim 7, wherein the step of providing the circuit substrate comprises: providing a flexible printed circuit board as the circuit substrate; The step of assembling the panel on the side of the circuit substrate with the light-emitting elements includes: arranging a part of the circuit substrate opposite to the liquid crystal display panel, and bending the other part of the circuit substrate toward the liquid crystal display panel to electrically Connect the LCD panel. 如請求項7所述的液晶顯示裝置的製作方法，其中，提供該電路基板的步驟包括：提供一剛性的印刷電路板作為該電路基板，為實現該液晶顯示面板與該第二驅動晶片電性連接的步驟包括：提供一柔性電路板，將該柔性電路板的一端部連接於該電路基板，且另一端部連接與該液晶顯示面板。 The method for manufacturing a liquid crystal display device according to claim 7, wherein the step of providing the circuit substrate comprises: providing a rigid printed circuit board as the circuit substrate, in order to realize the electrical connection between the liquid crystal display panel and the second driving chip The step of connecting includes: providing a flexible circuit board, one end of the flexible circuit board is connected to the circuit substrate, and the other end is connected to the liquid crystal display panel.
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